Bump version: 0.37.1-beta.3 → 0.37.1

Bump version: 0.37.1-beta.2 → 0.37.1-beta.3
Bump version: 0.37.1-beta.1 → 0.37.1-beta.2
2026-08-27 16:38:31 +00:00 · 2026-08-10 07:54:42 +00:00 · 2026-08-10 07:53:53 +00:00 · 2026-08-10 06:30:45 +00:00 · 2026-08-10 14:23:41 +08:00 · 2026-08-10 14:23:33 +08:00
55 changed files with 837 additions and 2490 deletions
@@ -1,5 +1,5 @@
 [tool.bumpversion]
-current_version = "0.37.1-beta.1"
+current_version = "0.37.1"
 parse = """(?x)
    (?P<major>0|[1-9]\\d*)\\.
    (?P<minor>0|[1-9]\\d*)\\.
@@ -36,9 +36,7 @@ jobs:
    permissions:
      contents: read
    outputs:
-      checker_outcome: ${{ steps.lychee.outcome }}
      exit_code: ${{ steps.lychee.outputs.exit_code }}
-      status: ${{ steps.validate.outputs.status }}
    steps:
      - name: Checkout
        uses: actions/checkout@v6
@@ -52,7 +50,6 @@ jobs:

      - name: Check links
        id: lychee
-        continue-on-error: true
        uses: lycheeverse/lychee-action@e7477775783ea5526144ba13e8db5eec57747ce8 # v2.9.0
        with:
          # Restricted to http(s) on purpose. Much of docs/src is generated
@@ -71,50 +68,38 @@ jobs:
          format: json
          output: ./lychee/out.json
          jobSummary: false
-          # The report issue, not a red workflow run, is the signal for link
-          # findings and checker failures alike.
+          # The report, not a red build, is the signal for broken links. The
+          # validation step below still fails the run if the check itself
+          # breaks.
          fail: false

      - name: Validate report
-        id: validate
        # lychee does not reserve exit code 2 for broken links: its CLI
        # parser also exits 2 on an invalid option, before any link was
        # checked or any report written. Only a parseable report whose
-        # counts agree with a completed exit code (0 or 2) counts as a link
-        # verdict. Everything else becomes a checker-error report instead of
-        # failing the workflow. Exit 2 covers timeouts as well as errors, and a
-        # timed-out host is exactly the transient unavailability this report
-        # exists to surface, so both count as findings. Requiring total > 0
-        # also catches a glob that silently stopped matching any file.
-        if: always()
+        # counts agree with the exit code counts as a link verdict; anything
+        # else fails here, and the report job below is skipped entirely, so
+        # the tracking issue is never touched. Exit 2 covers timeouts as
+        # well as errors, and a timed-out host is exactly the transient
+        # unavailability this report exists to surface, so both count as
+        # findings. Requiring total > 0 also catches a glob that silently
+        # stopped matching any file.
+        if: steps.lychee.outputs.exit_code == 0 || steps.lychee.outputs.exit_code == 2
        env:
-          CHECKER_OUTCOME: ${{ steps.lychee.outcome }}
          EXIT_CODE: ${{ steps.lychee.outputs.exit_code }}
        run: |
-          status=checker-error
-          if [[ "$CHECKER_OUTCOME" == success ]] &&
-             [[ "$EXIT_CODE" == 0 || "$EXIT_CODE" == 2 ]] &&
-             jq -e --argjson code "$EXIT_CODE" '
-               (.total > 0) and
-               (if $code == 0
-                then .errors == 0 and .timeouts == 0
-                  and (.error_map | length == 0) and (.timeout_map | length == 0)
-                else (.errors + .timeouts) > 0
-                  and ((.error_map | length) + (.timeout_map | length)) > 0
-                end)
-             ' ./lychee/out.json
-          then
-            if [[ "$EXIT_CODE" == 0 ]]; then
-              status=healthy
-            else
-              status=findings
-            fi
-          fi
-          echo "status=$status" >> "$GITHUB_OUTPUT"
-          echo "Validated link check as $status"
+          jq -e --argjson code "$EXIT_CODE" '
+            (.total > 0) and
+            (if $code == 0
+             then .errors == 0 and .timeouts == 0
+               and (.error_map | length == 0) and (.timeout_map | length == 0)
+             else (.errors + .timeouts) > 0
+               and ((.error_map | length) + (.timeout_map | length)) > 0
+             end)
+          ' ./lychee/out.json

      - name: Upload report
-        if: steps.validate.outputs.status == 'findings'
+        if: steps.lychee.outputs.exit_code == 2
        uses: actions/upload-artifact@v7
        with:
          name: link-report
@@ -130,11 +115,26 @@ jobs:
    permissions:
      issues: write
    env:
-      CHECKER_OUTCOME: ${{ needs.scan.outputs.checker_outcome }}
      EXIT_CODE: ${{ needs.scan.outputs.exit_code }}
-      STATUS: ${{ needs.scan.outputs.status }}
      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    steps:
+      - name: Classify checker result
+        # lychee exits 0 when every link resolves and 2 when links fail,
+        # both already cross-checked against the report by the scan job's
+        # validation step. Anything else (1 runtime, 3 bad config) means the
+        # check never produced a link verdict, which must surface as a failed
+        # run rather than be published as "broken documentation links".
+        run: |
+          case "$EXIT_CODE" in
+            0|2)
+              echo "lychee exit code $EXIT_CODE"
+              ;;
+            *)
+              echo "::error::lychee exited with '$EXIT_CODE': the link check did not complete. Leaving the report issue untouched."
+              exit 1
+              ;;
+          esac
+
      - name: Find existing report issue
        id: report
        # Matched on title alone, and through search rather than a listing:
@@ -144,7 +144,7 @@ jobs:
        # Closed issues are included because a healthy run closes the report:
        # an open-only lookup would forget that identity and the next failing
        # run would open a duplicate. The oldest match stays the canonical
-        # report and is reopened below when a problem recurs.
+        # report and is reopened below when links break again.
        run: |
          match=$(gh issue list --repo "$GITHUB_REPOSITORY" --state all \
            --search "in:title \"$REPORT_TITLE\" author:app/github-actions" \
@@ -154,14 +154,14 @@ jobs:
          echo "state=$(jq -r '.state // empty' <<<"$match")" >> "$GITHUB_OUTPUT"

      - name: Download report
-        if: env.STATUS == 'findings'
+        if: env.EXIT_CODE == 2
        uses: actions/download-artifact@v8
        with:
          name: link-report
          path: ./lychee

      - name: Compose report
-        if: env.STATUS == 'findings'
+        if: env.EXIT_CODE == 2
        run: |
          run_url="$GITHUB_SERVER_URL/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID"
          {
@@ -185,41 +185,22 @@ jobs:
            ' ./lychee/out.json
          } > ./lychee/issue.md

-      - name: Compose checker error report
-        if: env.STATUS == 'checker-error'
-        run: |
-          mkdir -p ./lychee
-          run_url="$GITHUB_SERVER_URL/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID"
-          {
-            echo "The documentation link check did not complete in [the latest run]($run_url)."
-            echo
-            echo "This issue is rewritten by every scheduled run and closed automatically once a trustworthy run finds that all links resolve."
-            echo
-            echo "The checker did not produce a trustworthy link verdict. Treat the previous result, if any, as stale until a later run completes."
-            echo
-            echo "* Action outcome: \`$CHECKER_OUTCOME\`"
-            echo "* Exit code: \`${EXIT_CODE:-not reported}\`"
-            echo "* Verdict validation: \`failed\`"
-          } > ./lychee/issue.md
-
      - name: Reopen report issue
        # A healthy run closes the report, and the issue action below only
        # rewrites the body of whatever number it is given. Without an
-        # explicit reopen, a later finding or checker error would rewrite a
-        # closed issue. A CLOSED state implies the lookup found a canonical
-        # issue, so no separate emptiness check.
-        if: >-
-          env.STATUS != 'healthy' &&
-          steps.report.outputs.state == 'CLOSED'
+        # explicit reopen, the 2 -> 0 -> 2 sequence would keep rewriting a
+        # closed issue while links are broken. A CLOSED state implies the
+        # lookup found a canonical issue, so no separate emptiness check.
+        if: env.EXIT_CODE == 2 && steps.report.outputs.state == 'CLOSED'
        env:
          ISSUE_NUMBER: ${{ steps.report.outputs.number }}
        run: |
          run_url="$GITHUB_SERVER_URL/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID"
          gh issue reopen "$ISSUE_NUMBER" --repo "$GITHUB_REPOSITORY" \
-            --comment "The documentation link checker reported a problem again in [the latest run]($run_url)."
+            --comment "Broken documentation links found again in [the latest run]($run_url)."

-      - name: Report link-check problem
-        if: env.STATUS != 'healthy'
+      - name: Report broken links
+        if: env.EXIT_CODE == 2
        uses: peter-evans/create-issue-from-file@fca9117c27cdc29c6c4db3b86c48e4115a786710 # v6.0.0
        with:
          # Empty on the first failing run, which creates the issue; afterwards
@@ -232,9 +213,7 @@ jobs:
      - name: Close report issue once links are healthy
        # An OPEN state implies the lookup found a canonical issue; a report
        # that is already closed needs nothing.
-        if: >-
-          env.STATUS == 'healthy' &&
-          steps.report.outputs.state == 'OPEN'
+        if: env.EXIT_CODE == 0 && steps.report.outputs.state == 'OPEN'
        env:
          ISSUE_NUMBER: ${{ steps.report.outputs.number }}
        run: |
@@ -1,7 +1,8 @@
 name: Create release commit

-# This workflow increments the version, tags it, and pushes it. All SDKs share
-# a single version, so one tag releases all of them.
+# This workflow increments the version, updates lockfiles, tags the final
+# commit, and pushes it. All SDKs share a single version, so one tag releases
+# all of them.
 # When a tag is pushed, another workflow is triggered that creates a GH release
 # and uploads the binaries. This workflow is only for creating the tag.

@@ -63,6 +64,7 @@ jobs:
          pip install bump-my-version PyGithub packaging
          bash ci/bump_version.sh ${{ inputs.type }} ${{ inputs.bump-minor }}
          bash ci/update_lockfiles.sh --amend
+          bash ci/create_release_tag.sh
      - name: Push new version tag
        if: ${{ !inputs.dry_run }}
        uses: ad-m/github-push-action@881a6320fdb16eb5318c5054f31c218aec2b324c # v1.3.0
@@ -69,16 +69,6 @@ jobs:
        uses: actions/setup-python@v6
        with:
          python-version: "3.10"
-      - name: Add swap for Arm fat LTO
-        if: matrix.config.platform == 'aarch64'
-        shell: bash
-        run: |
-          swap_file="$RUNNER_TEMP/lancedb-swap"
-          sudo fallocate --length 16G "$swap_file"
-          sudo chmod 600 "$swap_file"
-          sudo mkswap "$swap_file"
-          sudo swapon "$swap_file"
-          free -h
      - uses: ./.github/workflows/build_linux_wheel
        with:
          python-minor-version: 10
@@ -775,7 +775,7 @@ dependencies = [
 "http 0.2.12",
 "http 1.5.0",
 "http-body 1.1.0",
- "lru 0.16.4",
+ "lru",
 "percent-encoding",
 "regex-lite",
 "sha2 0.11.0",
@@ -1970,6 +1970,15 @@ dependencies = [
 "spin 0.10.1",
 ]

+[[package]]
+name = "crc32c"
+version = "0.6.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3a47af21622d091a8f0fb295b88bc886ac74efcc613efc19f5d0b21de5c89e47"
+dependencies = [
+ "rustc_version",
+]
+
 [[package]]
 name = "crc32fast"
 version = "1.5.0"
@@ -3441,12 +3450,6 @@ dependencies = [
 "percent-encoding",
 ]

-[[package]]
-name = "frostem"
-version = "1.20260804.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "82eb03a32a1d50555353c85a7b9d3279a6f1e91af9890b789acdf544ed57c8d7"
-
 [[package]]
 name = "fs_extra"
 version = "1.3.0"
@@ -3455,8 +3458,9 @@ checksum = "42703706b716c37f96a77aea830392ad231f44c9e9a67872fa5548707e11b11c"

 [[package]]
 name = "fsst"
-version = "11.0.0-beta.7"
-source = "git+https://github.com/lance-format/lance.git?tag=v11.0.0-beta.7#e581c49338bc83baf1ea50c5e235bd702f3fbeea"
+version = "10.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0981ce90521824089f3cd68a48b1c4c89e9ad96d0eb74f58d6e550a3d604545"
 dependencies = [
 "arrow-array",
 "rand 0.9.5",
@@ -3813,23 +3817,14 @@ dependencies = [

 [[package]]
 name = "goosefs-sdk"
-version = "0.1.9"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e1ea4eee6dcbc31b25ab4fd577adc55b677d2bed3aa3016c44c58fbe1b2298a5"
+checksum = "9ae079b88ffe7772d12cfc5c40a5a324babb357893d95b5e3a22ae857f236c5f"
 dependencies = [
- "arc-swap",
 "async-trait",
 "bytes",
 "dashmap",
- "fastrand",
- "futures",
 "hostname",
- "io-uring",
- "itoa",
- "libc",
- "lru 0.18.2",
- "memmap2 0.9.10",
- "moka",
 "prost",
 "prost-types",
 "rand 0.9.5",
@@ -3842,7 +3837,6 @@ dependencies = [
 "tonic-prost",
 "tracing",
 "uuid",
- "xxhash-rust",
 ]

 [[package]]
@@ -4815,8 +4809,9 @@ checksum = "e037a2e1d8d5fdbd49b16a4ea09d5d6401c1f29eca5ff29d03d3824dba16256a"

 [[package]]
 name = "lance"
-version = "11.0.0-beta.7"
-source = "git+https://github.com/lance-format/lance.git?tag=v11.0.0-beta.7#e581c49338bc83baf1ea50c5e235bd702f3fbeea"
+version = "10.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "830548f9fc92ae74b848a504282d4da06f016f2ee94b663773c2738b9cb61c42"
 dependencies = [
 "arc-swap",
 "arrow",
@@ -4890,8 +4885,9 @@ dependencies = [

 [[package]]
 name = "lance-arrow"
-version = "11.0.0-beta.7"
-source = "git+https://github.com/lance-format/lance.git?tag=v11.0.0-beta.7#e581c49338bc83baf1ea50c5e235bd702f3fbeea"
+version = "10.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24187f972374567bb3573cffd8728f2f4f7f06d644c3c5d4430b79d6b0b67300"
 dependencies = [
 "arrow-array",
 "arrow-buffer",
@@ -4913,7 +4909,8 @@ dependencies = [
 [[package]]
 name = "lance-arrow-scalar"
 version = "58.0.0"
-source = "git+https://github.com/lance-format/lance.git?tag=v11.0.0-beta.7#e581c49338bc83baf1ea50c5e235bd702f3fbeea"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "771f68b04b47f3addf781116f65061808de94b05e1e9411c23c18f32d14ebe79"
 dependencies = [
 "arrow-array",
 "arrow-buffer",
@@ -4927,17 +4924,20 @@ dependencies = [
 [[package]]
 name = "lance-arrow-stats"
 version = "58.0.0"
-source = "git+https://github.com/lance-format/lance.git?tag=v11.0.0-beta.7#e581c49338bc83baf1ea50c5e235bd702f3fbeea"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd47ec33c90bf29f688fd02118e37d3a5ad5c339caa3163f89e417dc0867001f"
 dependencies = [
 "arrow-array",
 "arrow-schema",
+ "half",
 "lance-arrow-scalar",
 ]

 [[package]]
 name = "lance-bitpacking"
-version = "11.0.0-beta.7"
-source = "git+https://github.com/lance-format/lance.git?tag=v11.0.0-beta.7#e581c49338bc83baf1ea50c5e235bd702f3fbeea"
+version = "10.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "55fa50ad941e25298afb54eec107c3584f80c16db4adf7a6e4e9c4b6066f4281"
 dependencies = [
 "arrayref",
 "crunchy",
@@ -4947,8 +4947,9 @@ dependencies = [

 [[package]]
 name = "lance-core"
-version = "11.0.0-beta.7"
-source = "git+https://github.com/lance-format/lance.git?tag=v11.0.0-beta.7#e581c49338bc83baf1ea50c5e235bd702f3fbeea"
+version = "10.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "21f4fd872bfe948150a6878d983327c4f150dc1b629e94ae7677310fa6a3f35f"
 dependencies = [
 "arrow-array",
 "arrow-buffer",
@@ -4988,8 +4989,9 @@ dependencies = [

 [[package]]
 name = "lance-datafusion"
-version = "11.0.0-beta.7"
-source = "git+https://github.com/lance-format/lance.git?tag=v11.0.0-beta.7#e581c49338bc83baf1ea50c5e235bd702f3fbeea"
+version = "10.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "230770734cd5f6fe1f1cb4a66750acad5c5a862c23c7f587d7def57c9f2c5f6b"
 dependencies = [
 "arrow",
 "arrow-array",
@@ -5019,8 +5021,9 @@ dependencies = [

 [[package]]
 name = "lance-datagen"
-version = "11.0.0-beta.7"
-source = "git+https://github.com/lance-format/lance.git?tag=v11.0.0-beta.7#e581c49338bc83baf1ea50c5e235bd702f3fbeea"
+version = "10.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c0c9edcea9dbf154a3baf470595bdcdb7ef6b44dcf2b5a0c28e8815c2d4837c5"
 dependencies = [
 "arrow",
 "arrow-array",
@@ -5037,8 +5040,9 @@ dependencies = [

 [[package]]
 name = "lance-derive"
-version = "11.0.0-beta.7"
-source = "git+https://github.com/lance-format/lance.git?tag=v11.0.0-beta.7#e581c49338bc83baf1ea50c5e235bd702f3fbeea"
+version = "10.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "03ac280ef94d66c2e7a4b0104e60d548f45156f114f02cd0ac57423721ec96ec"
 dependencies = [
 "proc-macro2",
 "quote",
@@ -5047,8 +5051,9 @@ dependencies = [

 [[package]]
 name = "lance-encoding"
-version = "11.0.0-beta.7"
-source = "git+https://github.com/lance-format/lance.git?tag=v11.0.0-beta.7#e581c49338bc83baf1ea50c5e235bd702f3fbeea"
+version = "10.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "65b345fecf1792d4147982e9ded1cf211992a442bcf73dd17a598b1c8c9b53a5"
 dependencies = [
 "arrow-arith",
 "arrow-array",
@@ -5074,6 +5079,7 @@ dependencies = [
 "prost",
 "prost-build",
 "rand 0.9.5",
+ "strum 0.26.3",
 "tokio",
 "tracing",
 "xxhash-rust",
@@ -5082,8 +5088,9 @@ dependencies = [

 [[package]]
 name = "lance-file"
-version = "11.0.0-beta.7"
-source = "git+https://github.com/lance-format/lance.git?tag=v11.0.0-beta.7#e581c49338bc83baf1ea50c5e235bd702f3fbeea"
+version = "10.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "203400160ecd4ac6f67f6bfdb3c186f94758ff70a6ca76d4f300c327f5c14a11"
 dependencies = [
 "arrow-arith",
 "arrow-array",
@@ -5114,8 +5121,9 @@ dependencies = [

 [[package]]
 name = "lance-index"
-version = "11.0.0-beta.7"
-source = "git+https://github.com/lance-format/lance.git?tag=v11.0.0-beta.7#e581c49338bc83baf1ea50c5e235bd702f3fbeea"
+version = "10.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "db67792e22332a7be08d35e60ce9e4c6fb7f75f70ab1566b67b462d1aac21b13"
 dependencies = [
 "arc-swap",
 "arrow",
@@ -5182,8 +5190,9 @@ dependencies = [

 [[package]]
 name = "lance-index-core"
-version = "11.0.0-beta.7"
-source = "git+https://github.com/lance-format/lance.git?tag=v11.0.0-beta.7#e581c49338bc83baf1ea50c5e235bd702f3fbeea"
+version = "10.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49b5700d71f43e5da2057908f3243a6bc01247b5dd12247313f789c280155aae"
 dependencies = [
 "arrow-array",
 "arrow-schema",
@@ -5205,8 +5214,9 @@ dependencies = [

 [[package]]
 name = "lance-io"
-version = "11.0.0-beta.7"
-source = "git+https://github.com/lance-format/lance.git?tag=v11.0.0-beta.7#e581c49338bc83baf1ea50c5e235bd702f3fbeea"
+version = "10.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4b8a6872b9bff95e75e223e04011feebd990d8784878eaf5df73c86d6acebb47"
 dependencies = [
 "arrow",
 "arrow-array",
@@ -5218,6 +5228,7 @@ dependencies = [
 "bytes",
 "chrono",
 "futures",
+ "goosefs-sdk",
 "http 1.5.0",
 "io-uring",
 "lance-arrow",
@@ -5242,8 +5253,9 @@ dependencies = [

 [[package]]
 name = "lance-linalg"
-version = "11.0.0-beta.7"
-source = "git+https://github.com/lance-format/lance.git?tag=v11.0.0-beta.7#e581c49338bc83baf1ea50c5e235bd702f3fbeea"
+version = "10.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a1dd49fdf61da86650dc335fbe1f239803f9d73bc2bc5ffbc0c905dd8809892"
 dependencies = [
 "arrow-array",
 "arrow-buffer",
@@ -5259,8 +5271,9 @@ dependencies = [

 [[package]]
 name = "lance-namespace"
-version = "11.0.0-beta.7"
-source = "git+https://github.com/lance-format/lance.git?tag=v11.0.0-beta.7#e581c49338bc83baf1ea50c5e235bd702f3fbeea"
+version = "10.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1449221f599147e570bec6e09eaea6ce6b9286f632e00a27f945dd0c6b70ccd8"
 dependencies = [
 "arrow",
 "async-trait",
@@ -5272,8 +5285,9 @@ dependencies = [

 [[package]]
 name = "lance-namespace-impls"
-version = "11.0.0-beta.7"
-source = "git+https://github.com/lance-format/lance.git?tag=v11.0.0-beta.7#e581c49338bc83baf1ea50c5e235bd702f3fbeea"
+version = "10.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c30bff40ab9a9a58313818ab97241cff7bab2b90b8d65039908425a065a797de"
 dependencies = [
 "arrow",
 "arrow-ipc",
@@ -5303,6 +5317,7 @@ dependencies = [
 "serde",
 "serde_json",
 "sha2 0.10.9",
+ "time",
 "tokio",
 "tower",
 "tower-http 0.5.2",
@@ -5326,8 +5341,9 @@ dependencies = [

 [[package]]
 name = "lance-select"
-version = "11.0.0-beta.7"
-source = "git+https://github.com/lance-format/lance.git?tag=v11.0.0-beta.7#e581c49338bc83baf1ea50c5e235bd702f3fbeea"
+version = "10.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c66c5cb12ed194c7c8e427a0e90e990cdbc7159edba2bfc7b7e8db2c90c747af"
 dependencies = [
 "arrow-array",
 "arrow-buffer",
@@ -5342,8 +5358,9 @@ dependencies = [

 [[package]]
 name = "lance-table"
-version = "11.0.0-beta.7"
-source = "git+https://github.com/lance-format/lance.git?tag=v11.0.0-beta.7#e581c49338bc83baf1ea50c5e235bd702f3fbeea"
+version = "10.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6cd2a39f2e288d1acecf887cb9cc655711fb67bcf3b24a2034158dbac7a6f60e"
 dependencies = [
 "arrow",
 "arrow-array",
@@ -5353,7 +5370,6 @@ dependencies = [
 "async-trait",
 "aws-credential-types",
 "aws-sdk-dynamodb",
- "blake3",
 "byteorder",
 "bytes",
 "chrono",
@@ -5383,8 +5399,9 @@ dependencies = [

 [[package]]
 name = "lance-testing"
-version = "11.0.0-beta.7"
-source = "git+https://github.com/lance-format/lance.git?tag=v11.0.0-beta.7#e581c49338bc83baf1ea50c5e235bd702f3fbeea"
+version = "10.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0847352699e869a465b49bd49ecbc467bc5a3dcb168757bf39368362aad05f99"
 dependencies = [
 "arrow-array",
 "arrow-schema",
@@ -5397,13 +5414,14 @@ dependencies = [

 [[package]]
 name = "lance-tokenizer"
-version = "11.0.0-beta.7"
-source = "git+https://github.com/lance-format/lance.git?tag=v11.0.0-beta.7#e581c49338bc83baf1ea50c5e235bd702f3fbeea"
+version = "10.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "254c1e9287789c8d744f93f2010a8389a5ea3fcedc0dddf7649c4117ec830c57"
 dependencies = [
- "frostem",
 "icu_segmenter",
 "jieba-rs",
 "lindera",
+ "rust-stemmers",
 "serde",
 "stop-words",
 "unicode-normalization",
@@ -5411,7 +5429,7 @@ dependencies = [

 [[package]]
 name = "lancedb"
-version = "0.37.1-beta.1"
+version = "0.37.1"
 dependencies = [
 "ahash",
 "anyhow",
@@ -5495,12 +5513,11 @@ dependencies = [
 "urlencoding",
 "uuid",
 "walkdir",
- "windows-sys 0.61.2",
 ]

 [[package]]
 name = "lancedb-nodejs"
-version = "0.37.1-beta.1"
+version = "0.37.1"
 dependencies = [
 "arrow-array",
 "arrow-buffer",
@@ -5525,7 +5542,7 @@ dependencies = [

 [[package]]
 name = "lancedb-python"
-version = "0.37.1-beta.1"
+version = "0.37.1"
 dependencies = [
 "arrow",
 "async-trait",
@@ -5682,7 +5699,7 @@ dependencies = [
 "serde",
 "serde_json",
 "serde_yaml_ng",
- "strum",
+ "strum 0.28.0",
 "strum_macros 0.28.0",
 "unicode-blocks",
 "unicode-normalization",
@@ -5712,7 +5729,7 @@ dependencies = [
 "rkyv",
 "serde",
 "serde_json",
- "strum",
+ "strum 0.28.0",
 "strum_macros 0.28.0",
 "thiserror 2.0.18",
 ]
@@ -5784,15 +5801,6 @@ dependencies = [
 "hashbrown 0.16.1",
 ]

-[[package]]
-name = "lru"
-version = "0.18.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d2f2f9b4ba7e6b24d95e7e899329d35be83bcded72c8540cdd5368932d1d90a"
-dependencies = [
- "hashbrown 0.17.1",
-]
-
 [[package]]
 name = "lru-slab"
 version = "0.1.2"
@@ -6430,9 +6438,9 @@ dependencies = [

 [[package]]
 name = "object_store_opendal"
-version = "0.58.0"
+version = "0.57.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "88f165780495c17aa3ce86846600504198c3fffd99073521552751c2430fa6ac"
+checksum = "0eb12a624a41fce745838d0ef3701ff6c47797c13cd18ad3612fd2a3134fdbd8"
 dependencies = [
 "async-trait",
 "bytes",
@@ -6493,13 +6501,12 @@ checksum = "d6790f58c7ff633d8771f42965289203411a5e5c68388703c06e14f24770b41e"

 [[package]]
 name = "opendal"
-version = "0.58.1"
+version = "0.57.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f20562cc7447fcc915fc5c23df305a412ea80a733c9f2fd9e2d267e2815be6d"
+checksum = "96c9c85ce253ff87225e7669979d877a20c98a06604ec9d6dd5f4473e08f1ae1"
 dependencies = [
 "ctor 1.0.12",
 "opendal-core",
- "opendal-http-transport-reqwest",
 "opendal-layer-concurrent-limit",
 "opendal-layer-logging",
 "opendal-layer-retry",
@@ -6516,22 +6523,24 @@ dependencies = [

 [[package]]
 name = "opendal-core"
-version = "0.58.1"
+version = "0.57.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec75551ff4cf3e57da98979f6a937aaa9ddb3915bf68cc17d03df733be6646ed"
+checksum = "c4f8607c90e2c963a91467f50fb49fbc7fb3d573f88cea219ca59ccd3740b309"
 dependencies = [
 "anyhow",
- "base64 0.23.1",
+ "base64 0.22.1",
 "bytes",
 "futures",
 "http 1.5.0",
+ "http-body 1.1.0",
 "jiff",
 "log",
 "md-5 0.11.0",
 "mea",
 "percent-encoding",
- "quick-xml 0.41.0",
+ "quick-xml 0.39.4",
 "reqsign-core",
+ "reqwest 0.13.4",
 "serde",
 "serde_json",
 "tokio",
@@ -6540,25 +6549,11 @@ dependencies = [
 "web-time",
 ]

-[[package]]
-name = "opendal-http-transport-reqwest"
-version = "0.58.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad4d4f19c3ce01126a30611f8e544eaa217104a278c889ac17c9374fe4f9e4ef"
-dependencies = [
- "bytes",
- "futures",
- "http 1.5.0",
- "http-body 1.1.0",
- "opendal-core",
- "reqwest 0.13.4",
-]
-
 [[package]]
 name = "opendal-layer-concurrent-limit"
-version = "0.58.1"
+version = "0.57.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "249ac5b0aa5a7a6c3737342d10456067937f9c9a6f3f02544271f7908ab91081"
+checksum = "0d6f81ba6960e3fae1882f253b114b21d7e444e1534f209c7737a79f6243eb6f"
 dependencies = [
 "futures",
 "http 1.5.0",
@@ -6568,9 +6563,9 @@ dependencies = [

 [[package]]
 name = "opendal-layer-logging"
-version = "0.58.1"
+version = "0.57.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c75411ab00f77851ff086b686c1e9ca8175ac18c15afa2cb75b9036436cb06c"
+checksum = "58ada45c6d81d1aa4c9305d0c7d4bc317c59c85866a0908a2d75a7a978aa5ee2"
 dependencies = [
 "log",
 "opendal-core",
@@ -6578,9 +6573,9 @@ dependencies = [

 [[package]]
 name = "opendal-layer-retry"
-version = "0.58.1"
+version = "0.57.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "80b7738bd5f233ad8da39af9b9316b9b7a4eaddd91e8e32a1e19b7030688121d"
+checksum = "7b2a25a718afb81fad81cb9a0580a1cb989221fa2317f888c6a37f8dad408eb7"
 dependencies = [
 "backon",
 "log",
@@ -6589,9 +6584,9 @@ dependencies = [

 [[package]]
 name = "opendal-layer-timeout"
-version = "0.58.1"
+version = "0.57.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a704141924500f3803c05ed871b53305d2a2f11cb5ef20160c3ee688a1857f66"
+checksum = "1e91f731724c213af81e9d03517859c8fc47b4578e64ad61ae4f099f10fe36e3"
 dependencies = [
 "opendal-core",
 "tokio",
@@ -6599,17 +6594,17 @@ dependencies = [

 [[package]]
 name = "opendal-service-azblob"
-version = "0.58.1"
+version = "0.57.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3310fbbb48f111c6f590473c2cd15e1b7f8e384444b0d4e328f0464c864d767"
+checksum = "0030644366ef5d8cbe3a4a5822bf99a4aafddc1666e9d24b44d158d9062fc76a"
 dependencies = [
- "base64 0.23.1",
+ "base64 0.22.1",
 "bytes",
 "http 1.5.0",
 "log",
 "opendal-core",
 "opendal-service-azure-common",
- "quick-xml 0.41.0",
+ "quick-xml 0.39.4",
 "reqsign-azure-storage",
 "reqsign-core",
 "reqsign-file-read-tokio",
@@ -6620,18 +6615,17 @@ dependencies = [

 [[package]]
 name = "opendal-service-azdls"
-version = "0.58.1"
+version = "0.57.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e3c406729935fe214ce574d68681a1ff7e0b322548f14094912bdbfe50e5c53"
+checksum = "6dea4908d490143a9b0b7f7a790e139ff829b06a023f670455ed3d44f664b361"
 dependencies = [
- "base64 0.23.1",
+ "base64 0.22.1",
 "bytes",
 "http 1.5.0",
 "log",
- "mea",
 "opendal-core",
 "opendal-service-azure-common",
- "quick-xml 0.41.0",
+ "quick-xml 0.39.4",
 "reqsign-azure-storage",
 "reqsign-core",
 "reqsign-file-read-tokio",
@@ -6641,9 +6635,9 @@ dependencies = [

 [[package]]
 name = "opendal-service-azure-common"
-version = "0.58.1"
+version = "0.57.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7348c88edf15af435b7be930077746b569fac5e738c1bf6a363b675e7317c9df"
+checksum = "9b489f13c42e69d69bdd72952b634356ec43a7881a20259b38b540fcecdf4051"
 dependencies = [
 "http 1.5.0",
 "opendal-core",
@@ -6651,15 +6645,15 @@ dependencies = [

 [[package]]
 name = "opendal-service-cos"
-version = "0.58.1"
+version = "0.57.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d533d4582105d269c8aebeee5f0e8bcf960f41b8aab6197df7012254d9f39bf0"
+checksum = "aa8cafe9729213375c7331019b0cb756ad3e1aff7f45cd32c45eae91ebde8901"
 dependencies = [
 "bytes",
 "http 1.5.0",
 "log",
 "opendal-core",
- "quick-xml 0.41.0",
+ "quick-xml 0.39.4",
 "reqsign-core",
 "reqsign-file-read-tokio",
 "reqsign-tencent-cos",
@@ -6668,9 +6662,9 @@ dependencies = [

 [[package]]
 name = "opendal-service-gcs"
-version = "0.58.1"
+version = "0.57.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "007f3fba63c21e516c956b891e96ff9892d8175662bfb781cdada9d3766a11e6"
+checksum = "48de101aac565ed06af4b47903c24eafd249075553ec1fb18256751c45148d47"
 dependencies = [
 "async-trait",
 "bytes",
@@ -6678,7 +6672,7 @@ dependencies = [
 "log",
 "opendal-core",
 "percent-encoding",
- "quick-xml 0.41.0",
+ "quick-xml 0.39.4",
 "reqsign-core",
 "reqsign-file-read-tokio",
 "reqsign-google",
@@ -6689,9 +6683,9 @@ dependencies = [

 [[package]]
 name = "opendal-service-goosefs"
-version = "0.58.1"
+version = "0.57.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60871e6386f04d831e6a5bdbc032af4a91aeba49963252d0ef456a2cf36a9b78"
+checksum = "69e43048bde419947ba826fbdc2f134d6c03f44ebf48bd33a03b72f9fc45fcb4"
 dependencies = [
 "bytes",
 "goosefs-sdk",
@@ -6703,9 +6697,9 @@ dependencies = [

 [[package]]
 name = "opendal-service-hf"
-version = "0.58.1"
+version = "0.57.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41fd41eb7ed03c5e66cefda61e8e117808ffd2908f2916737cb020a6beb02c7"
+checksum = "c4922661976a1d40794a2adfbdb888cc3c23097690f825a92f773af38908a848"
 dependencies = [
 "bytes",
 "hf-xet",
@@ -6713,21 +6707,22 @@ dependencies = [
 "log",
 "opendal-core",
 "percent-encoding",
+ "reqwest 0.13.4",
 "serde",
 "serde_json",
 ]

 [[package]]
 name = "opendal-service-oss"
-version = "0.58.1"
+version = "0.57.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd528ec2d49c5ca69e674ffed7b3e0686fb9cfcfea0596870de381467fda4f1b"
+checksum = "328fa55e8888cbdfe00826bfea2a79042422b720e8369e9e021e46121dea5ace"
 dependencies = [
 "bytes",
 "http 1.5.0",
 "log",
 "opendal-core",
- "quick-xml 0.41.0",
+ "quick-xml 0.39.4",
 "reqsign-aliyun-oss",
 "reqsign-core",
 "reqsign-file-read-tokio",
@@ -6736,18 +6731,18 @@ dependencies = [

 [[package]]
 name = "opendal-service-s3"
-version = "0.58.1"
+version = "0.57.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "58e80cdf192d7eff05feed747894d64f81905ac4eaf132edf7ea270abdd2d663"
+checksum = "313d46c9f5ae70bca26b7c3e3fbb9b639292625f28af73aa016f47e788af9deb"
 dependencies = [
- "base64 0.23.1",
+ "base64 0.22.1",
 "bytes",
- "crc-fast",
+ "crc32c",
 "http 1.5.0",
 "log",
 "md-5 0.11.0",
 "opendal-core",
- "quick-xml 0.41.0",
+ "quick-xml 0.39.4",
 "reqsign-aws-v4",
 "reqsign-core",
 "reqsign-file-read-tokio",
@@ -8680,6 +8675,16 @@ dependencies = [
 "ordered-multimap",
 ]

+[[package]]
+name = "rust-stemmers"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e46a2036019fdb888131db7a4c847a1063a7493f971ed94ea82c67eada63ca54"
+dependencies = [
+ "serde",
+ "serde_derive",
+]
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.27"
@@ -9553,6 +9558,15 @@ version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"

+[[package]]
+name = "strum"
+version = "0.26.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8fec0f0aef304996cf250b31b5a10dee7980c85da9d759361292b8bca5a18f06"
+dependencies = [
+ "strum_macros 0.26.4",
+]
+
 [[package]]
 name = "strum"
 version = "0.28.0"
@@ -9575,6 +9589,19 @@ dependencies = [
 "syn 2.0.117",
 ]

+[[package]]
+name = "strum_macros"
+version = "0.26.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c6bee85a5a24955dc440386795aa378cd9cf82acd5f764469152d2270e581be"
+dependencies = [
+ "heck 0.5.0",
+ "proc-macro2",
+ "quote",
+ "rustversion",
+ "syn 2.0.117",
+]
+
 [[package]]
 name = "strum_macros"
 version = "0.28.0"
@@ -13,20 +13,20 @@ categories = ["database-implementations"]
 rust-version = "1.91.0"

 [workspace.dependencies]
-lance = { "version" = "=11.0.0-beta.7", default-features = false, "tag" = "v11.0.0-beta.7", "git" = "https://github.com/lance-format/lance.git" }
-lance-core = { "version" = "=11.0.0-beta.7", "tag" = "v11.0.0-beta.7", "git" = "https://github.com/lance-format/lance.git" }
-lance-datagen = { "version" = "=11.0.0-beta.7", "tag" = "v11.0.0-beta.7", "git" = "https://github.com/lance-format/lance.git" }
-lance-file = { "version" = "=11.0.0-beta.7", "tag" = "v11.0.0-beta.7", "git" = "https://github.com/lance-format/lance.git" }
-lance-io = { "version" = "=11.0.0-beta.7", default-features = false, "tag" = "v11.0.0-beta.7", "git" = "https://github.com/lance-format/lance.git" }
-lance-index = { "version" = "=11.0.0-beta.7", "tag" = "v11.0.0-beta.7", "git" = "https://github.com/lance-format/lance.git" }
-lance-linalg = { "version" = "=11.0.0-beta.7", "tag" = "v11.0.0-beta.7", "git" = "https://github.com/lance-format/lance.git" }
-lance-namespace = { "version" = "=11.0.0-beta.7", "tag" = "v11.0.0-beta.7", "git" = "https://github.com/lance-format/lance.git" }
-lance-namespace-impls = { "version" = "=11.0.0-beta.7", default-features = false, "tag" = "v11.0.0-beta.7", "git" = "https://github.com/lance-format/lance.git" }
-lance-table = { "version" = "=11.0.0-beta.7", "tag" = "v11.0.0-beta.7", "git" = "https://github.com/lance-format/lance.git" }
-lance-testing = { "version" = "=11.0.0-beta.7", "tag" = "v11.0.0-beta.7", "git" = "https://github.com/lance-format/lance.git" }
-lance-datafusion = { "version" = "=11.0.0-beta.7", "tag" = "v11.0.0-beta.7", "git" = "https://github.com/lance-format/lance.git" }
-lance-encoding = { "version" = "=11.0.0-beta.7", "tag" = "v11.0.0-beta.7", "git" = "https://github.com/lance-format/lance.git" }
-lance-arrow = { "version" = "=11.0.0-beta.7", "tag" = "v11.0.0-beta.7", "git" = "https://github.com/lance-format/lance.git" }
+lance = { "version" = "=10.0.0", default-features = false }
+lance-core = "=10.0.0"
+lance-datagen = "=10.0.0"
+lance-file = "=10.0.0"
+lance-io = { "version" = "=10.0.0", default-features = false }
+lance-index = "=10.0.0"
+lance-linalg = "=10.0.0"
+lance-namespace = "=10.0.0"
+lance-namespace-impls = { "version" = "=10.0.0", default-features = false }
+lance-table = "=10.0.0"
+lance-testing = "=10.0.0"
+lance-datafusion = "=10.0.0"
+lance-encoding = "=10.0.0"
+lance-arrow = "=10.0.0"
 ahash = "0.8"
 # Note that this one does not include pyarrow
 arrow = { version = "58.0.0", optional = false }
@@ -6,16 +6,11 @@ HEAD_SHA=$(git rev-parse HEAD)

 readonly TAG_PREFIX="v"
 readonly SELF_DIR=$(cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+readonly BUMP_ARGS="--no-tag"

 PREV_TAG=$(git tag --sort='version:refname' | grep ^$TAG_PREFIX | python $SELF_DIR/semver_sort.py $TAG_PREFIX | tail -n 1)
 echo "Found previous tag $PREV_TAG"

-# Initially, we don't want to tag if we are doing stable, because we will bump
-# again later. See comment at end for why.
-if [[ "$RELEASE_TYPE" == 'stable' ]]; then
-  BUMP_ARGS="--no-tag"
-fi
-
 # If last is stable and not bumping minor
 if [[ $PREV_TAG != *beta* ]]; then
    if [[ "$BUMP_MINOR" != "false" ]]; then
@@ -39,12 +34,12 @@ fi
 # a stable version, bump the pre-release level ("pre_l") to make it stable.
 if [[ $RELEASE_TYPE == 'stable' ]]; then
  # X.Y.Z-beta.N -> X.Y.Z
-  bump-my-version bump -vv pre_l
+  bump-my-version bump -vv $BUMP_ARGS pre_l
 fi

 # Validate that we have incremented version appropriately for breaking changes
-NEW_TAG=$(git describe --tags --exact-match HEAD)
-NEW_VERSION=$(echo $NEW_TAG | sed "s/^$TAG_PREFIX//")
+NEW_VERSION=$(python -c 'import tomllib; print(tomllib.load(open(".bumpversion.toml", "rb"))["tool"]["bumpversion"]["current_version"])')
+NEW_TAG="$TAG_PREFIX$NEW_VERSION"
 LAST_STABLE_RELEASE=$(git tag --sort='version:refname' | grep ^$TAG_PREFIX | grep -v beta | grep -vF "$NEW_TAG" | python $SELF_DIR/semver_sort.py $TAG_PREFIX | tail -n 1)
 LAST_STABLE_VERSION=$(echo $LAST_STABLE_RELEASE | sed "s/^$TAG_PREFIX//")

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+RELEASE_VERSION=$(python -c 'import tomllib; print(tomllib.load(open(".bumpversion.toml", "rb"))["tool"]["bumpversion"]["current_version"])')
+RELEASE_TAG="v${RELEASE_VERSION}"
+
+if git rev-parse --quiet --verify "refs/tags/${RELEASE_TAG}" >/dev/null; then
+  echo "Release tag ${RELEASE_TAG} already exists" >&2
+  exit 1
+fi
+
+git tag --annotate "$RELEASE_TAG" --message "Release ${RELEASE_TAG}"
+
+HEAD_SHA=$(git rev-parse HEAD)
+TAG_SHA=$(git rev-parse "refs/tags/${RELEASE_TAG}^{}")
+if [[ "$TAG_SHA" != "$HEAD_SHA" ]]; then
+  echo "Release tag ${RELEASE_TAG} points to ${TAG_SHA}, expected ${HEAD_SHA}" >&2
+  exit 1
+fi
+
+echo "Created ${RELEASE_TAG} at ${HEAD_SHA}"
@@ -0,0 +1,72 @@
+import tempfile
+import unittest
+from pathlib import Path
+
+from validate_stable_lance import validate
+
+
+class ValidateStableLanceTest(unittest.TestCase):
+    def write_fixture(
+        self,
+        root: Path,
+        *,
+        rust: str = "=10.0.0",
+        python: str = "10.0.0",
+        java: str = "10.0.0",
+    ) -> None:
+        (root / "python").mkdir()
+        (root / "java").mkdir()
+        (root / "Cargo.toml").write_text(
+            f'[workspace.dependencies]\nlance = "{rust}"\nlance-core = "{rust}"\n'
+        )
+        (root / "python" / "pyproject.toml").write_text(
+            '[project.optional-dependencies]\ntests = ["pylance==' + python + '"]\n'
+        )
+        (root / "java" / "pom.xml").write_text(
+            "<project><properties><lance-core.version>"
+            + java
+            + "</lance-core.version></properties></project>"
+        )
+
+    def test_accepts_matching_stable_versions(self) -> None:
+        with tempfile.TemporaryDirectory() as temp_dir:
+            root = Path(temp_dir)
+            self.write_fixture(root)
+            self.assertEqual(validate(root), "10.0.0")
+
+    def test_rejects_prerelease(self) -> None:
+        with tempfile.TemporaryDirectory() as temp_dir:
+            root = Path(temp_dir)
+            self.write_fixture(root, python="10.0.0rc1")
+            with self.assertRaisesRegex(ValueError, "not stable"):
+                validate(root)
+
+    def test_rejects_sdk_mismatch(self) -> None:
+        with tempfile.TemporaryDirectory() as temp_dir:
+            root = Path(temp_dir)
+            self.write_fixture(root, java="9.0.0")
+            with self.assertRaisesRegex(ValueError, "do not match across SDKs"):
+                validate(root)
+
+    def test_rejects_non_exact_rust_dependency(self) -> None:
+        with tempfile.TemporaryDirectory() as temp_dir:
+            root = Path(temp_dir)
+            self.write_fixture(root, rust="10.0.0")
+            with self.assertRaisesRegex(ValueError, "not exact"):
+                validate(root)
+
+    def test_rejects_unpublished_rust_source(self) -> None:
+        with tempfile.TemporaryDirectory() as temp_dir:
+            root = Path(temp_dir)
+            self.write_fixture(root)
+            (root / "Cargo.toml").write_text(
+                "[workspace.dependencies]\n"
+                'lance = { version = "=10.0.0", git = "https://example.com/lance", '
+                'tag = "v10.0.0" }\n'
+            )
+            with self.assertRaisesRegex(ValueError, "unpublished source fields"):
+                validate(root)
+
+
+if __name__ == "__main__":
+    unittest.main()
@@ -1,34 +1,112 @@
+#!/usr/bin/env python3
+"""Validate that every SDK uses the same published stable Lance release."""
+
+from __future__ import annotations
+
+import re
+import xml.etree.ElementTree as ET
+from pathlib import Path
+
 import tomllib

-found_preview_lance = False
+STABLE_VERSION = re.compile(r"[0-9]+\.[0-9]+\.[0-9]+")

-with open("Cargo.toml", "rb") as f:
-    cargo_data = tomllib.load(f)

-    for name, dep in cargo_data["workspace"]["dependencies"].items():
-        if name == "lance" or name.startswith("lance-"):
-            if isinstance(dep, str):
-                version = dep
-            elif isinstance(dep, dict):
-                # Version doesn't have the beta tag in it, so we instead look
-                # at the git tag.
-                version = dep.get('tag', dep.get('version'))
-            else:
-                raise ValueError("Unexpected type for dependency: " + str(dep))
+def _stable_version(raw: str, *, dependency: str, exact: bool = False) -> str:
+    value = raw.strip()
+    if exact and not value.startswith("="):
+        raise ValueError(f"Dependency '{dependency}' is not exact: {raw}")
+    value = value.removeprefix("=").removeprefix("v")
+    if STABLE_VERSION.fullmatch(value) is None:
+        raise ValueError(f"Dependency '{dependency}' is not stable: {raw}")
+    return value

-            if "beta" in version:
-                found_preview_lance = True
-                print(f"Dependency '{name}' is a preview version: {version}")

-with open("python/pyproject.toml", "rb") as f:
-    py_proj_data = tomllib.load(f)
+def rust_lance_version(repo_root: Path) -> str:
+    with (repo_root / "Cargo.toml").open("rb") as cargo_file:
+        dependencies = tomllib.load(cargo_file)["workspace"]["dependencies"]

-    for dep in py_proj_data["project"]["dependencies"]:
-        if dep.startswith("pylance"):
-            if "b" in dep:
-                found_preview_lance = True
-                print(f"Dependency '{dep}' is a preview version")
-            break  # Only one pylance dependency
+    versions: dict[str, str] = {}
+    for name, dependency in dependencies.items():
+        if name != "lance" and not name.startswith("lance-"):
+            continue

-if found_preview_lance:
-    raise ValueError("Found preview version of Lance in dependencies")
+        if isinstance(dependency, str):
+            raw_version = dependency
+        elif isinstance(dependency, dict):
+            forbidden_sources = [
+                source
+                for source in ("git", "path", "branch", "rev", "tag")
+                if source in dependency
+            ]
+            if forbidden_sources:
+                joined = ", ".join(forbidden_sources)
+                raise ValueError(
+                    f"Dependency '{name}' uses unpublished source fields: {joined}"
+                )
+            raw_version = dependency.get("version")
+            if raw_version is None:
+                raise ValueError(f"Dependency '{name}' has no version")
+        else:
+            raise TypeError(f"Dependency '{name}' has an unexpected definition")
+
+        versions[name] = _stable_version(raw_version, dependency=name, exact=True)
+
+    if not versions:
+        raise ValueError("No Rust Lance dependencies found")
+    unique_versions = set(versions.values())
+    if len(unique_versions) != 1:
+        details = ", ".join(f"{name}={version}" for name, version in versions.items())
+        raise ValueError(f"Rust Lance dependency versions do not match: {details}")
+    return unique_versions.pop()
+
+
+def python_lance_version(repo_root: Path) -> str:
+    with (repo_root / "python" / "pyproject.toml").open("rb") as pyproject_file:
+        pyproject = tomllib.load(pyproject_file)
+
+    requirements = pyproject["project"]["optional-dependencies"]["tests"]
+    pylance_requirements = [
+        requirement for requirement in requirements if requirement.startswith("pylance")
+    ]
+    if len(pylance_requirements) != 1:
+        raise ValueError(
+            "Expected exactly one pylance requirement in the Python test dependencies"
+        )
+
+    requirement = pylance_requirements[0]
+    prefix = "pylance=="
+    if not requirement.startswith(prefix):
+        raise ValueError(f"Python test dependency is not exact: {requirement}")
+    return _stable_version(requirement[len(prefix) :], dependency="pylance")
+
+
+def java_lance_version(repo_root: Path) -> str:
+    pom_root = ET.parse(repo_root / "java" / "pom.xml").getroot()
+    versions = [
+        element.text
+        for element in pom_root.iter()
+        if element.tag.rsplit("}", 1)[-1] == "lance-core.version"
+    ]
+    if len(versions) != 1 or versions[0] is None:
+        raise ValueError("Expected exactly one Java lance-core.version property")
+    return _stable_version(versions[0], dependency="Java lance-core")
+
+
+def validate(repo_root: Path) -> str:
+    versions = {
+        "Rust": rust_lance_version(repo_root),
+        "Python": python_lance_version(repo_root),
+        "Java": java_lance_version(repo_root),
+    }
+    if len(set(versions.values())) != 1:
+        details = ", ".join(f"{sdk}={version}" for sdk, version in versions.items())
+        raise ValueError(
+            f"Lance dependency versions do not match across SDKs: {details}"
+        )
+    return versions["Rust"]
+
+
+if __name__ == "__main__":
+    version = validate(Path(__file__).resolve().parents[1])
+    print(f"Validated published stable Lance v{version} across Rust, Python, and Java")
@@ -101,13 +101,6 @@ ignore = [
    # https://rustsec.org/advisories/RUSTSEC-2026-0195
    { id = "RUSTSEC-2026-0194", reason = "transitive via inferno/lance/opendal; XML from trusted cloud endpoints, not attacker-controlled" },
    { id = "RUSTSEC-2026-0195", reason = "transitive via inferno/lance/opendal; XML from trusted cloud endpoints, not attacker-controlled" },
-    # smartstring: unmaintained — the repository was archived by its author on
-    # 2026-05-03. Not a vulnerability. Reached only transitively through polars
-    # (polars-core/-io/-ops/-time/-utils); nothing in LanceDB depends on it directly.
-    # The advisory states no safe upgrade is available: upstream recommends
-    # compact_str/smol_str, so clearing this requires polars to migrate.
-    # https://rustsec.org/advisories/RUSTSEC-2026-0249
-    { id = "RUSTSEC-2026-0249", reason = "smartstring unmaintained via polars; no fixed upstream release" },
 ]

 # ---------------------------------------------------------------------------
@@ -14,7 +14,7 @@ Add the following dependency to your `pom.xml`:
 <dependency>
    <groupId>com.lancedb</groupId>
    <artifactId>lancedb-core</artifactId>
-    <version>0.37.1-beta.1</version>
+    <version>0.37.1</version>
 </dependency>
 ```

@@ -431,10 +431,9 @@ Read the [LsmWriteSpec](../interfaces/LsmWriteSpec.md) currently installed on th

 Resolves to `undefined` when the MemWAL LSM write path is not enabled (no
 spec has been set, or it was removed with [Table#unsetLsmWriteSpec](Table.md#unsetlsmwritespec)).
-The returned spec mirrors what was passed to
-[Table#setLsmWriteSpec](Table.md#setlsmwritespec), except that `maintainedIndexes` always
-reports the concrete list resolved when the spec was set — `undefined`
-never round-trips.
+The returned spec — including its `maintainedIndexes` and
+`writerConfigDefaults` — mirrors what was passed to
+[Table#setLsmWriteSpec](Table.md#setlsmwritespec).

 #### Returns

@@ -807,11 +806,6 @@ All variants require the table to have an unenforced primary key
 ([Table#setUnenforcedPrimaryKey](Table.md#setunenforcedprimarykey)); bucket sharding additionally
 requires it to be the single column being bucketed.

-Omitting `maintainedIndexes` maintains every index on the table, resolved
-here, failing if one cannot be maintained — name them to install anyway.
-Naming them pins an exact set, and a still-building index is rejected
-rather than quietly omitted.
-
 #### Parameters

 * **spec**: [`LsmWriteSpec`](../interfaces/LsmWriteSpec.md)
@@ -34,9 +34,7 @@ Bucket and identity variants: the sharding column.
 optional maintainedIndexes: string[];
 ```

-Indexes the MemWAL keeps up to date. Omit to maintain every supported
-index, resolved on install — a snapshot, so indexes created later are not
-maintained. Pass `[]` for none.
+Names of indexes the MemWAL should keep up to date during writes.

 ***

@@ -8,7 +8,7 @@
    <parent>
      <groupId>com.lancedb</groupId>
      <artifactId>lancedb-parent</artifactId>
-      <version>0.37.1-beta.1</version>
+      <version>0.37.1-final.0</version>
      <relativePath>../pom.xml</relativePath>
    </parent>

@@ -6,7 +6,7 @@

    <groupId>com.lancedb</groupId>
    <artifactId>lancedb-parent</artifactId>
-    <version>0.37.1-beta.1</version>
+    <version>0.37.1-final.0</version>
    <packaging>pom</packaging>
    <name>${project.artifactId}</name>
    <description>LanceDB Java SDK Parent POM</description>
@@ -28,7 +28,7 @@
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <arrow.version>15.0.0</arrow.version>
-        <lance-core.version>11.0.0-beta.7</lance-core.version>
+        <lance-core.version>10.0.0</lance-core.version>
        <spotless.skip>false</spotless.skip>
        <spotless.version>2.30.0</spotless.version>
        <spotless.java.googlejavaformat.version>1.7</spotless.java.googlejavaformat.version>
@@ -1,7 +1,7 @@
 [package]
 name = "lancedb-nodejs"
 edition.workspace = true
-version = "0.37.1-beta.1"
+version = "0.37.1"
 publish = false
 license.workspace = true
 description.workspace = true
@@ -197,11 +197,7 @@ export interface LsmWriteSpec {
  column?: string;
  /** Bucket variant: the number of buckets, in `[1, 1024]`. */
  numBuckets?: number;
-  /**
-   * Indexes the MemWAL keeps up to date. Omit to maintain every supported
-   * index, resolved on install — a snapshot, so indexes created later are not
-   * maintained. Pass `[]` for none.
-   */
+  /** Names of indexes the MemWAL should keep up to date during writes. */
  maintainedIndexes?: string[];
  /** Default `ShardWriter` configuration recorded in the MemWAL index. */
  writerConfigDefaults?: Record<string, string>;
@@ -599,11 +595,6 @@ export abstract class Table {
   * All variants require the table to have an unenforced primary key
   * ({@link Table#setUnenforcedPrimaryKey}); bucket sharding additionally
   * requires it to be the single column being bucketed.
-   *
-   * Omitting `maintainedIndexes` maintains every index on the table, resolved
-   * here, failing if one cannot be maintained — name them to install anyway.
-   * Naming them pins an exact set, and a still-building index is rejected
-   * rather than quietly omitted.
   * @param {LsmWriteSpec} spec The sharding spec to install.
   * @returns {Promise<void>}
   * @example
@@ -631,10 +622,9 @@ export abstract class Table {
   *
   * Resolves to `undefined` when the MemWAL LSM write path is not enabled (no
   * spec has been set, or it was removed with {@link Table#unsetLsmWriteSpec}).
-   * The returned spec mirrors what was passed to
-   * {@link Table#setLsmWriteSpec}, except that `maintainedIndexes` always
-   * reports the concrete list resolved when the spec was set — `undefined`
-   * never round-trips.
+   * The returned spec — including its `maintainedIndexes` and
+   * `writerConfigDefaults` — mirrors what was passed to
+   * {@link Table#setLsmWriteSpec}.
   * @returns {Promise<LsmWriteSpec | undefined>}
   */
  abstract getLsmWriteSpec(): Promise<LsmWriteSpec | undefined>;
@@ -1,6 +1,6 @@
 {
 	"name": "@lancedb/lancedb-darwin-arm64",
-	"version": "0.37.1-beta.1",
+	"version": "0.37.1",
 	"os": ["darwin"],
 	"cpu": ["arm64"],
 	"main": "lancedb.darwin-arm64.node",
@@ -1,6 +1,6 @@
 {
 	"name": "@lancedb/lancedb-linux-arm64-gnu",
-	"version": "0.37.1-beta.1",
+	"version": "0.37.1",
 	"os": ["linux"],
 	"cpu": ["arm64"],
 	"main": "lancedb.linux-arm64-gnu.node",
@@ -1,6 +1,6 @@
 {
 	"name": "@lancedb/lancedb-linux-arm64-musl",
-	"version": "0.37.1-beta.1",
+	"version": "0.37.1",
 	"os": ["linux"],
 	"cpu": ["arm64"],
 	"main": "lancedb.linux-arm64-musl.node",
@@ -1,6 +1,6 @@
 {
 	"name": "@lancedb/lancedb-linux-x64-gnu",
-	"version": "0.37.1-beta.1",
+	"version": "0.37.1",
 	"os": ["linux"],
 	"cpu": ["x64"],
 	"main": "lancedb.linux-x64-gnu.node",
@@ -1,6 +1,6 @@
 {
 	"name": "@lancedb/lancedb-linux-x64-musl",
-	"version": "0.37.1-beta.1",
+	"version": "0.37.1",
 	"os": ["linux"],
 	"cpu": ["x64"],
 	"main": "lancedb.linux-x64-musl.node",
@@ -1,6 +1,6 @@
 {
  "name": "@lancedb/lancedb-win32-arm64-msvc",
-  "version": "0.37.1-beta.1",
+  "version": "0.37.1",
  "os": [
    "win32"
  ],
@@ -1,6 +1,6 @@
 {
 	"name": "@lancedb/lancedb-win32-x64-msvc",
-	"version": "0.37.1-beta.1",
+	"version": "0.37.1",
 	"os": ["win32"],
 	"cpu": ["x64"],
 	"main": "lancedb.win32-x64-msvc.node",
@@ -1,12 +1,12 @@
 {
  "name": "@lancedb/lancedb",
-  "version": "0.37.1-beta.1",
+  "version": "0.37.1",
  "lockfileVersion": 3,
  "requires": true,
  "packages": {
    "": {
      "name": "@lancedb/lancedb",
-      "version": "0.37.1-beta.1",
+      "version": "0.37.1",
      "cpu": [
        "x64",
        "arm64"
@@ -11,7 +11,7 @@
    "ann"
  ],
  "private": false,
-  "version": "0.37.1-beta.1",
+  "version": "0.37.1",
  "main": "dist/index.js",
  "exports": {
    ".": "./dist/index.js",
@@ -772,8 +772,7 @@ pub struct LsmWriteSpec {
    pub column: Option<String>,
    /// Bucket variant: the number of buckets, in `[1, 1024]`.
    pub num_buckets: Option<u32>,
-    /// Indexes the MemWAL keeps up to date. Omitted resolves every
-    /// maintainable index on install; an empty array means none.
+    /// Names of indexes the MemWAL should keep up to date during writes.
    pub maintained_indexes: Option<Vec<String>>,
    /// Default `ShardWriter` configuration recorded in the MemWAL index.
    pub writer_config_defaults: Option<HashMap<String, String>>,
@@ -783,6 +782,7 @@ impl TryFrom<LsmWriteSpec> for lancedb::table::LsmWriteSpec {
    type Error = napi::Error;

    fn try_from(value: LsmWriteSpec) -> napi::Result<Self> {
+        let maintained = value.maintained_indexes.unwrap_or_default();
        let writer_config_defaults = value.writer_config_defaults.unwrap_or_default();
        let spec = match value.spec_type.as_str() {
            "bucket" => {
@@ -809,7 +809,7 @@ impl TryFrom<LsmWriteSpec> for lancedb::table::LsmWriteSpec {
            }
        };
        Ok(spec
-            .with_maintained_indexes(value.maintained_indexes)
+            .with_maintained_indexes(maintained)
            .with_writer_config_defaults(writer_config_defaults))
    }
 }
@@ -827,7 +827,7 @@ impl From<lancedb::table::LsmWriteSpec> for LsmWriteSpec {
                spec_type: "bucket".to_string(),
                column: Some(column),
                num_buckets: Some(num_buckets),
-                maintained_indexes,
+                maintained_indexes: Some(maintained_indexes),
                writer_config_defaults: Some(writer_config_defaults),
            },
            Native::Identity {
@@ -838,7 +838,7 @@ impl From<lancedb::table::LsmWriteSpec> for LsmWriteSpec {
                spec_type: "identity".to_string(),
                column: Some(column),
                num_buckets: None,
-                maintained_indexes,
+                maintained_indexes: Some(maintained_indexes),
                writer_config_defaults: Some(writer_config_defaults),
            },
            Native::Unsharded {
@@ -848,7 +848,7 @@ impl From<lancedb::table::LsmWriteSpec> for LsmWriteSpec {
                spec_type: "unsharded".to_string(),
                column: None,
                num_buckets: None,
-                maintained_indexes,
+                maintained_indexes: Some(maintained_indexes),
                writer_config_defaults: Some(writer_config_defaults),
            },
        }
@@ -1,6 +1,6 @@
 [package]
 name = "lancedb-python"
-version = "0.37.1-beta.1"
+version = "0.37.1"
 publish = false
 edition.workspace = true
 description = "Python bindings for LanceDB"
@@ -63,7 +63,7 @@ tests = [
    "polars>=0.19, <=1.32.3",
    "pyarrow<25",
    "pyarrow-stubs>=16.0",
-    "pylance==9.0.0rc1",
+    "pylance==10.0.0",
    "requests>=2.31.0",
    "datafusion>=54,<55",
    "opentelemetry-sdk>=1.30.0",
@@ -653,10 +653,9 @@ class LsmWriteSpec:
    def identity(column: str) -> "LsmWriteSpec": ...
    @staticmethod
    def unsharded() -> "LsmWriteSpec": ...
-    def with_maintained_indexes(self, indexes: Optional[List[str]]) -> "LsmWriteSpec":
-        """Set which indexes the MemWAL keeps up to date. None resolves every
-        index on the table at install, failing if one cannot be maintained;
-        a list is verbatim, empty means none."""
+    def with_maintained_indexes(self, indexes: List[str]) -> "LsmWriteSpec":
+        """Return a copy of this spec asking the MemWAL to keep the named
+        indexes up to date as rows are appended."""
        ...
    def with_writer_config_defaults(self, defaults: Dict[str, str]) -> "LsmWriteSpec":
        """Return a copy of this spec recording the given default
@@ -671,9 +670,7 @@ class LsmWriteSpec:
    @property
    def num_buckets(self) -> Optional[int]: ...
    @property
-    def maintained_indexes(self) -> Optional[List[str]]:
-        """Indexes the MemWAL keeps up to date, or None for every supported one."""
-        ...
+    def maintained_indexes(self) -> List[str]: ...
    @property
    def writer_config_defaults(self) -> Dict[str, str]: ...

@@ -11,11 +11,6 @@ Provides StreamingDataset, a PyTorch IterableDataset that guarantees:
 - **Resumability**: state_dict / load_state_dict capture per-split consumption
  counts so training can resume from an exact mid-epoch position even when the
  distributed topology changes between runs.
-
-Transform failures on bad rows (e.g. nulls or NaNs from incomplete data) can
-be tolerated with ``on_transform_error="skip"``; see the parameter
-documentation on StreamingDataset for how this interacts with the guarantees
-above.
 """

 import ctypes
@@ -27,7 +22,7 @@ import time
 from collections import deque
 from concurrent.futures import ThreadPoolExecutor
 from multiprocessing import RawArray
-from typing import Any, Callable, Iterator, Optional, Union
+from typing import Any, Callable, Iterator, Optional

 from torch.utils.data import IterableDataset, get_worker_info

@@ -132,49 +127,6 @@ class StreamingDataset(IterableDataset):
        Maximum number of transforms to run concurrently.  Must be greater
        than zero.  When ``None`` (the default), uses ``os.cpu_count()`` or 1
        when the CPU count is unavailable.
-    on_transform_error:
-        What to do when the transform raises an exception:
-
-        - ``"raise"`` (the default): the exception propagates and iteration
-          aborts.
-        - ``"skip"``: the failing rows are dropped and iteration continues.
-        - ``"warn"``: like ``"skip"``, but a warning is logged for each
-          failing batch.
-        - a callable ``handler(exc) -> bool``: called with the exception;
-          return ``True`` to skip the failing rows or ``False`` to re-raise.
-          Useful to skip only expected error types (compatible with
-          ``webdataset.handlers`` style handlers).
-
-        When a batch fails, the transform is re-invoked on each single-row
-        slice of the batch so that only the rows that actually fail are
-        dropped.  Transforms should therefore be deterministic and accept
-        batches of any size (including one row).  Skipped rows are counted in
-        ``rows_skipped``.
-
-        Skipping weakens the elastic-determinism guarantee at the end of the
-        epoch: splits that lose more rows than others run dry earlier, and
-        each rank's iterator ends at the last cycle where every split *it
-        owns* still has a row.  Because bad rows are not distributed evenly
-        across splits, this means one rank's iterator can yield noticeably
-        fewer or more steps than another rank's *in the same run* — there is
-        no cross-rank coordination that stops every rank at the same global
-        step.  This is generally safe for asynchronous or single-rank use,
-        but synchronous distributed training (e.g. ranks that call
-        ``all_reduce`` every step) can hang or deadlock if one rank's
-        iterator is exhausted while others are still stepping; callers doing
-        synchronous multi-rank training with ``on_transform_error != "raise"``
-        are responsible for their own cross-rank stopping mechanism (e.g.
-        broadcasting a stop signal on ``StopIteration``).  The final few
-        global steps can also differ across topologies (bounded by the skew
-        in bad-row counts across splits).  The sequence of samples yielded
-        from each split remains deterministic.  Mid-epoch
-        checkpoints remain exact provided the transform fails
-        deterministically; in multi-rank training each rank must save its
-        own ``state_dict`` and the states must be combined with
-        ``merge_state_dicts`` before resuming on a different topology.
-        Prefer the ``filter`` parameter when bad rows can be expressed as a
-        SQL predicate (e.g. ``"col IS NOT NULL"``) — filtering happens before
-        splits are built, so every guarantee is fully preserved.
    worker_info_override:
        If set, used in place of ``torch.utils.data.get_worker_info()`` to
        determine the DataLoader worker assignment.  Intended for unit tests
@@ -200,7 +152,6 @@ class StreamingDataset(IterableDataset):
        filter: Optional[str] = None,
        transform: Optional[Callable] = None,
        transform_parallelism: Optional[int] = None,
-        on_transform_error: Union[str, Callable[[Exception], bool]] = "raise",
        connection_factory: Optional[Callable[[str], Any]] = None,
        worker_info_override=None,
    ):
@@ -216,13 +167,6 @@ class StreamingDataset(IterableDataset):
            )
        if transform_parallelism is not None and transform_parallelism <= 0:
            raise ValueError("transform_parallelism must be greater than 0")
-        if on_transform_error not in ("raise", "skip", "warn") and not callable(
-            on_transform_error
-        ):
-            raise ValueError(
-                "on_transform_error must be 'raise', 'skip', 'warn', or a "
-                f"callable, got {on_transform_error!r}"
-            )

        self._table = table
        self._num_splits = num_splits
@@ -238,7 +182,6 @@ class StreamingDataset(IterableDataset):
        self._filter = filter
        self._transform = transform
        self._transform_parallelism = transform_parallelism
-        self._on_transform_error = on_transform_error
        self._connection_factory = connection_factory
        self._worker_info_override = worker_info_override

@@ -256,28 +199,19 @@ class StreamingDataset(IterableDataset):
        # in the main process.  RawArray is picklable via the forkserver
        # reduction protocol so it survives the dataset pickle round-trip.
        # Layout: [unscanned_rows, raw_rows, cooked_rows, consumed_rows,
-        #          bytes_loaded, fetch_time_us, transform_time_us,
-        #          rows_skipped]
-        self._worker_stats: RawArray = RawArray(ctypes.c_int64, 8)
+        #          bytes_loaded, fetch_time_us, transform_time_us]
+        self._worker_stats: RawArray = RawArray(ctypes.c_int64, 7)

        # Cumulative bytes of Arrow buffer data fetched across all iterations.
        self._bytes_loaded: int = 0
        # Cumulative seconds spent in LanceDB I/O and in transform functions.
        self._fetch_time: float = 0.0
        self._transform_time: float = 0.0
-        # Cumulative rows dropped by on_transform_error across all iterations.
-        self._rows_skipped: int = 0

        # Number of samples each split has already been consumed.  At global
        # step boundaries all splits have consumed this many samples, so a
        # single scalar captures the topology-independent checkpoint state.
        self._resume_offset: int = 0
-        # Permutation position each split has consumed through, keyed by
-        # global split index.  Equal to _resume_offset for every split unless
-        # on_transform_error skipped rows, in which case skipped positions
-        # push the watermark of the affected splits further ahead.  Splits
-        # this instance has never iterated have no entry.
-        self._resume_positions: dict[int, int] = {}

        # Build the permutation table once, deterministically.
        builder = permutation_builder(table)
@@ -341,7 +275,6 @@ class StreamingDataset(IterableDataset):
        # Set identity transform on each Permutation so __getitems__ returns
        # the raw RecordBatch.  Stage 2 applies the real transform.
        permutations: list[Permutation] = []
-        initial_positions: list[int] = []
        for split_idx in my_splits:
            perm = Permutation.from_tables(
                self._table, self._perm_table, split=split_idx
@@ -349,20 +282,14 @@ class StreamingDataset(IterableDataset):
            if self._columns is not None:
                perm = perm.select_columns(self._columns)
            perm = perm.with_transform(lambda batch: batch)
-            start_pos = self._resume_positions.get(split_idx, self._resume_offset)
-            if start_pos > 0:
-                perm = perm.with_skip(start_pos)
-            initial_positions.append(start_pos)
+            if self._resume_offset > 0:
+                perm = perm.with_skip(self._resume_offset)
            permutations.append(perm)

        n = len(permutations)
        split_sizes = [perm.num_rows for perm in permutations]
        initial_offset = self._resume_offset
        local_consumed = [0] * n
-        # Permutation position each split has consumed through (absolute,
-        # i.e. counted from the start of the unskipped split).  Runs ahead of
-        # initial + local_consumed when rows are skipped.
-        pos_consumed = list(initial_positions)

        batch_size = self._read_batch_size
        max_prefetch = self._prefetch_batches
@@ -375,14 +302,12 @@ class StreamingDataset(IterableDataset):
            self._transform if self._transform is not None else Transforms.arrow2python
        )

-        # Per-split pipeline state.  Batches are paired with the absolute
-        # permutation position of their first row so that skipped rows can be
-        # accounted for in pos_consumed.
+        # Per-split pipeline state.
        fetch_head = [0] * n
-        io_pending = [deque() for _ in range(n)]  # (abs_start, Future[RecordBatch])
-        raw_batches = [deque() for _ in range(n)]  # (abs_start, RecordBatch)
-        tx_pending = [deque() for _ in range(n)]  # Future[list[(abs_pos, row)]]
-        cooked = [deque() for _ in range(n)]  # (abs_pos, row) ready to yield
+        io_pending = [deque() for _ in range(n)]  # Future[RecordBatch]
+        raw_batches = [deque() for _ in range(n)]  # RecordBatch — fetched, awaiting tx
+        tx_pending = [deque() for _ in range(n)]  # Future[list[Any]]
+        cooked = [deque() for _ in range(n)]  # rows ready to yield

        # Limit simultaneous transforms to transform_workers across all splits.
        tx_semaphore = threading.Semaphore(transform_workers)
@@ -405,8 +330,7 @@ class StreamingDataset(IterableDataset):
            fetch_head[i] += fetch
            perm_i = permutations[i]
            indices = list(range(start, start + fetch))
-            abs_start = initial_positions[i] + start
-            io_pending[i].append((abs_start, io_pool.submit(_io_call, perm_i, indices)))
+            io_pending[i].append(io_pool.submit(_io_call, perm_i, indices))

        def _fill_io(i: int) -> None:
            while len(io_pending[i]) < max_prefetch and fetch_head[i] < split_sizes[i]:
@@ -414,72 +338,15 @@ class StreamingDataset(IterableDataset):

        def _drain_io(i: int) -> None:
            """Move completed I/O futures into raw_batches non-blockingly."""
-            while io_pending[i] and io_pending[i][0][1].done():
-                abs_start, fut = io_pending[i].popleft()
-                raw_batches[i].append((abs_start, fut.result()))
+            while io_pending[i] and io_pending[i][0].done():
+                raw_batches[i].append(io_pending[i].popleft().result())

        # ── Stage 2 helpers ───────────────────────────────────────────────────

-        on_error = self._on_transform_error
-
-        def _should_skip(exc: Exception) -> bool:
-            if on_error == "raise":
-                return False
-            if callable(on_error):
-                return bool(on_error(exc))
-            return True  # "skip" or "warn"
-
-        def _check_row_count(rows: list, num_rows: int) -> None:
-            if len(rows) != num_rows:
-                raise ValueError(
-                    f"transform returned {len(rows)} rows for a batch of "
-                    f"{num_rows}; transforms must return exactly one output "
-                    "row per input row.  To drop bad rows, raise inside the "
-                    "transform and pass on_transform_error='skip'."
-                )
-
-        def _transform_isolated(abs_start, batch, batch_exc):
-            """Re-run the transform on single-row slices, dropping failures."""
-            out = []
-            skipped = 0
-            first_exc = None
-            for j in range(batch.num_rows):
-                try:
-                    rows = list(final_transform(batch.slice(j, 1)))
-                except Exception as exc:
-                    if not _should_skip(exc):
-                        raise
-                    skipped += 1
-                    if first_exc is None:
-                        first_exc = exc
-                    continue
-                _check_row_count(rows, 1)
-                out.append((abs_start + j, rows[0]))
-            self._rows_skipped += skipped
-            if skipped and on_error == "warn":
-                logger.warning(
-                    "Skipped %d of %d rows whose transform failed (first error: %r)",
-                    skipped,
-                    batch.num_rows,
-                    first_exc if first_exc is not None else batch_exc,
-                )
-            return out
-
-        def _transform_batch(abs_start, batch):
-            """Apply the transform, returning [(abs_pos, row), ...]."""
-            try:
-                rows = list(final_transform(batch))
-            except Exception as exc:
-                if not _should_skip(exc):
-                    raise
-                return _transform_isolated(abs_start, batch, exc)
-            _check_row_count(rows, batch.num_rows)
-            return [(abs_start + j, row) for j, row in enumerate(rows)]
-
-        def _tx_call_guarded(abs_start, batch):
+        def _tx_call_guarded(batch):
            try:
                t0 = time.perf_counter()
-                result = _transform_batch(abs_start, batch)
+                result = final_transform(batch)
                self._transform_time += time.perf_counter() - t0
                return result
            finally:
@@ -488,8 +355,8 @@ class StreamingDataset(IterableDataset):
        def _try_submit_tx(i: int) -> None:
            """Submit transforms for raw_batches[i] up to available capacity."""
            while raw_batches[i] and tx_semaphore.acquire(blocking=False):
-                abs_start, batch = raw_batches[i].popleft()
-                tx_pending[i].append(tx_pool.submit(_tx_call_guarded, abs_start, batch))
+                batch = raw_batches[i].popleft()
+                tx_pending[i].append(tx_pool.submit(_tx_call_guarded, batch))

        def _drain_tx(i: int) -> None:
            """Move completed transform futures into cooked non-blockingly."""
@@ -517,14 +384,11 @@ class StreamingDataset(IterableDataset):
                    # Acquire a transform slot (may block briefly if all
                    # transform_workers are busy with other splits).
                    tx_semaphore.acquire()
-                    abs_start, batch = raw_batches[i].popleft()
-                    tx_pending[i].append(
-                        tx_pool.submit(_tx_call_guarded, abs_start, batch)
-                    )
+                    batch = raw_batches[i].popleft()
+                    tx_pending[i].append(tx_pool.submit(_tx_call_guarded, batch))
                elif io_pending[i]:
                    # Block on the oldest in-flight I/O fetch.
-                    abs_start, fut = io_pending[i].popleft()
-                    raw_batches[i].append((abs_start, fut.result()))
+                    raw_batches[i].append(io_pending[i].popleft().result())
                    _advance(i)
                else:
                    break  # split exhausted
@@ -543,28 +407,15 @@ class StreamingDataset(IterableDataset):
                        _fill_io(i)

                    while True:
-                        # A cycle only runs if every split can still produce a
-                        # row.  Without skips all splits exhaust simultaneously
-                        # (equal split sizes + round-robin); when
-                        # on_transform_error drops rows a split can run dry
-                        # early, ending the epoch at the last complete cycle.
-                        # This check only sees splits owned by this rank/worker
-                        # (my_splits) — there is no cross-rank coordination, so
-                        # a different rank with fewer skipped rows keeps going;
-                        # see the on_transform_error docstring.
-                        exhausted = False
-                        for i in range(n):
-                            _ensure_cooked(i)
-                            if not cooked[i]:
-                                exhausted = True
-                                break
-                        if exhausted:
+                        # Stop when any split is exhausted (all exhaust
+                        # simultaneously: equal split sizes + round-robin).
+                        if any(local_consumed[i] >= split_sizes[i] for i in range(n)):
                            break

                        for i in range(n):
-                            pos, row = cooked[i].popleft()
+                            _ensure_cooked(i)
+                            row = cooked[i].popleft()
                            local_consumed[i] += 1
-                            pos_consumed[i] = pos + 1
                            _advance(i)

                            # After the last split in each cycle: update the
@@ -573,39 +424,21 @@ class StreamingDataset(IterableDataset):
                            # even when __iter__ runs in a worker process.
                            if i == n - 1:
                                self._resume_offset = initial_offset + local_consumed[i]
-                                for j, split_idx in enumerate(my_splits):
-                                    self._resume_positions[split_idx] = pos_consumed[j]
                                ws = self._worker_stats
                                ws[0] = sum(
                                    split_sizes[j] - fetch_head[j] for j in range(n)
                                )
                                ws[1] = sum(
-                                    batch.num_rows
-                                    for q in raw_batches
-                                    for _, batch in q
+                                    batch.num_rows for q in raw_batches for batch in q
                                )
                                ws[2] = sum(len(q) for q in cooked)
                                ws[3] = sum(local_consumed)
                                ws[4] = self._bytes_loaded
                                ws[5] = int(self._fetch_time * 1_000_000)
                                ws[6] = int(self._transform_time * 1_000_000)
-                                ws[7] = self._rows_skipped

                            yield row
                finally:
-                    # Final stats flush: the per-cycle write above never runs
-                    # when iteration ends mid-cycle (e.g. a split whose rows
-                    # were all skipped before completing a single cycle), so
-                    # counters like rows_skipped would otherwise be stale.
-                    ws = self._worker_stats
-                    ws[0] = sum(split_sizes[j] - fetch_head[j] for j in range(n))
-                    ws[1] = 0  # queue-depth properties document 0 when idle
-                    ws[2] = 0
-                    ws[3] = sum(local_consumed)
-                    ws[4] = self._bytes_loaded
-                    ws[5] = int(self._fetch_time * 1_000_000)
-                    ws[6] = int(self._transform_time * 1_000_000)
-                    ws[7] = self._rows_skipped
                    self._raw_batches_ref = None
                    self._cooked_ref = None
                    self._fetch_head_ref = None
@@ -659,7 +492,7 @@ class StreamingDataset(IterableDataset):
        batches.  Returns 0 when not iterating.
        """
        if self._raw_batches_ref is not None:
-            return sum(batch.num_rows for q in self._raw_batches_ref for _, batch in q)
+            return sum(batch.num_rows for q in self._raw_batches_ref for batch in q)
        return int(self._worker_stats[1])

    @property
@@ -689,19 +522,6 @@ class StreamingDataset(IterableDataset):
            )
        return int(self._worker_stats[0])

-    @property
-    def rows_skipped(self) -> int:
-        """Number of rows dropped because their transform raised an exception.
-
-        Only ever non-zero when ``on_transform_error`` is set to ``"skip"``,
-        ``"warn"``, or a callable that returned ``True``.  Accumulates across
-        multiple iterations of the same dataset instance and is never reset
-        automatically.
-        """
-        if self._raw_batches_ref is not None:
-            return self._rows_skipped
-        return int(self._worker_stats[7])
-
    @property
    def consumed_rows(self) -> int:
        """Number of rows already yielded to the caller across all splits.
@@ -767,27 +587,12 @@ class StreamingDataset(IterableDataset):
        every split has been consumed the same number of times (by the
        round-robin design), so the per-split count is a single uniform value
        that is identical across all ranks and DataLoader workers.
-
-        ``positions_consumed_per_split`` records how far into each split's
-        permutation iteration has advanced.  It only differs from
-        ``samples_consumed_per_split`` when ``on_transform_error`` skipped
-        rows, in which case entries are exact for the splits this instance
-        iterated and a lower bound (the sample count) for splits owned by
-        other ranks or workers.  Combine the state dicts from all ranks with
-        [merge_state_dicts][lancedb.streaming.StreamingDataset.merge_state_dicts]
-        to recover the exact value for every split before resuming on a
-        different topology.
        """
-        positions = [
-            self._resume_positions.get(split, self._resume_offset)
-            for split in range(self._num_splits)
-        ]
        return {
            "shuffle_seed": self._shuffle_seed,
            "num_splits": self._num_splits,
            "epoch": self._epoch,
            "samples_consumed_per_split": [self._resume_offset] * self._num_splits,
-            "positions_consumed_per_split": positions,
        }

    def load_state_dict(self, state: dict) -> None:
@@ -813,96 +618,3 @@ class StreamingDataset(IterableDataset):
            self._resume_offset = consumed[0] if consumed else 0
        else:
            self._resume_offset = int(consumed)
-        # Older checkpoints predate positions_consumed_per_split; without
-        # skipped rows positions equal sample counts, so falling back to
-        # _resume_offset (the .get default in __iter__) is exact.
-        positions = state.get("positions_consumed_per_split")
-        if positions is None:
-            self._resume_positions = {}
-        else:
-            self._resume_positions = {
-                split: int(pos) for split, pos in enumerate(positions)
-            }
-
-    @staticmethod
-    def merge_state_dicts(states: list[dict]) -> dict:
-        """Merge state dicts saved by different ranks into one exact state.
-
-        Only needed when ``on_transform_error`` skips rows in multi-rank
-        training: each rank then knows the exact permutation position only for
-        its own splits, and records a lower bound for the rest.  Because
-        exactly one rank owns each split, the elementwise maximum across all
-        ranks' ``positions_consumed_per_split`` recovers the exact position of
-        every split.  Without skipped rows every rank's state is already
-        identical and merging is a no-op.
-
-        Raises ``ValueError`` if the states are empty or were not produced by
-        the same run (mismatched seed, split count, epoch, or sample counts).
-
-        The merge is always all-to-all and topology-agnostic: collect the
-        ``state_dict()`` from every rank of the *previous* run into one list,
-        merge that whole list, and hand the identical merged result to every
-        rank of the *next* run — regardless of whether the rank count grew,
-        shrank, or stayed the same. There is no pairwise or subset merging
-        step, because each split's exact position is only known to whichever
-        rank owned that split, and the elementwise maximum needs every rank's
-        contribution to be correct.
-
-        For example, checkpointing 8 ranks and resuming on 4 (the same
-        pattern applies when growing, e.g. 4 ranks resuming on 8)::
-
-            states = [ds.state_dict() for ds in previous_run_datasets]  # 8
-            merged = StreamingDataset.merge_state_dicts(states)
-            for ds in resumed_datasets:  # now only 4 ranks
-                ds.load_state_dict(merged)  # same dict on every rank
-
-        The rank count on either side never affects the merge itself, since
-        ``merge_state_dicts`` only cares about the list of states it is
-        given.  Each split's position is recovered by elementwise maximum;
-        here rank 0 owned split 0 (and skipped two rows there) while rank 1
-        owned split 1 (and skipped one row):
-
-        >>> rank0 = {
-        ...     "shuffle_seed": 0, "num_splits": 2, "epoch": 0,
-        ...     "samples_consumed_per_split": [3, 3],
-        ...     "positions_consumed_per_split": [5, 3],
-        ... }
-        >>> rank1 = {
-        ...     "shuffle_seed": 0, "num_splits": 2, "epoch": 0,
-        ...     "samples_consumed_per_split": [3, 3],
-        ...     "positions_consumed_per_split": [3, 4],
-        ... }
-        >>> merged = StreamingDataset.merge_state_dicts([rank0, rank1])
-        >>> merged["positions_consumed_per_split"]
-        [5, 4]
-        """
-        if not states:
-            raise ValueError("merge_state_dicts requires at least one state dict")
-        first = states[0]
-        for state in states[1:]:
-            for key in ("shuffle_seed", "num_splits", "epoch"):
-                if state[key] != first[key]:
-                    raise ValueError(
-                        f"{key} mismatch across state dicts: "
-                        f"{state[key]} != {first[key]}"
-                    )
-            if (
-                state["samples_consumed_per_split"]
-                != first["samples_consumed_per_split"]
-            ):
-                raise ValueError(
-                    "samples_consumed_per_split mismatch across state dicts; "
-                    "state_dict() must be called at the same global step "
-                    "boundary on every rank"
-                )
-        merged = dict(first)
-        all_positions = [
-            state.get(
-                "positions_consumed_per_split", state["samples_consumed_per_split"]
-            )
-            for state in states
-        ]
-        merged["positions_consumed_per_split"] = [
-            max(per_split) for per_split in zip(*all_positions)
-        ]
-        return merged
@@ -4676,13 +4676,6 @@ class AsyncTable:
        via [`set_unenforced_primary_key`]; bucket sharding additionally
        requires it to be the single column being bucketed.

-        By default the MemWAL maintains every index on the table, resolved
-        here — a snapshot, so an index created afterwards needs the spec unset
-        and set again. This fails if one cannot be maintained; name the set
-        with ``with_maintained_indexes`` to install anyway. That pins an exact
-        set (a still-building index is rejected, not omitted); ``[]`` maintains
-        none.
-
        Parameters
        ----------
        spec : LsmWriteSpec
@@ -4709,9 +4702,9 @@ class AsyncTable:

        Returns ``None`` when the MemWAL LSM write path is not enabled (no
        spec has been set, or it was removed with `unset_lsm_write_spec`).
-        The returned spec mirrors what was passed to `set_lsm_write_spec`,
-        except that ``maintained_indexes`` always reports the concrete list
-        resolved when the spec was set — ``None`` never round-trips.
+        The returned spec — including its ``maintained_indexes`` and
+        ``writer_config_defaults`` — mirrors what was passed to
+        `set_lsm_write_spec`.
        """
        return await self._inner.get_lsm_write_spec()

@@ -1456,408 +1456,6 @@ def test_shuffle_clump_size_yields_all_rows(lance_table):
    )


-# ---------------------------------------------------------------------------
-# on_transform_error tests
-# ---------------------------------------------------------------------------
-
-
-class BadRowError(ValueError):
-    """Raised by the failing transforms below when a batch contains a bad id."""
-
-
-def _failing_transform(bad_ids: set):
-    """A transform that raises BadRowError whenever the batch has a bad id.
-
-    Raises on the full batch and on any single-row slice containing a bad id,
-    so per-row isolation drops exactly the bad rows.
-    """
-
-    def transform(batch: pa.RecordBatch) -> list:
-        ids = batch.column("id").to_pylist()
-        bad = sorted(set(ids) & bad_ids)
-        if bad:
-            raise BadRowError(f"bad ids in batch: {bad}")
-        return [{"id": i} for i in ids]
-
-    return transform
-
-
-def _sequential_split_members(table) -> list[list[int]]:
-    """Return each split's ids in yield order for shuffle=False.
-
-    With a single rank and no workers the round-robin yields one row per split
-    per cycle, so item k of a clean run belongs to split k % NUM_SPLITS.
-    """
-    ds = StreamingDataset(table, num_splits=NUM_SPLITS, shuffle=False)
-    members: list[list[int]] = [[] for _ in range(NUM_SPLITS)]
-    for k, row in enumerate(ds):
-        members[k % NUM_SPLITS].append(row["id"])
-    return members
-
-
-def test_on_transform_error_default_raises(lance_table):
-    """By default a transform exception propagates and aborts iteration."""
-    ds = StreamingDataset(
-        lance_table,
-        num_splits=NUM_SPLITS,
-        shuffle_seed=SHUFFLE_SEED,
-        transform=_failing_transform({7}),
-    )
-    with pytest.raises(BadRowError):
-        list(ds)
-
-
-def test_on_transform_error_invalid_value(lance_table):
-    with pytest.raises(ValueError, match="on_transform_error"):
-        StreamingDataset(lance_table, num_splits=NUM_SPLITS, on_transform_error="bogus")
-
-
-def test_on_transform_error_skip_drops_bad_rows(lance_table):
-    """With one bad row per split, 'skip' yields every good row exactly once
-    and counts the dropped rows in rows_skipped."""
-    members = _sequential_split_members(lance_table)
-    bad_ids = {members[i][4] for i in range(NUM_SPLITS)}
-
-    ds = StreamingDataset(
-        lance_table,
-        num_splits=NUM_SPLITS,
-        shuffle=False,
-        transform=_failing_transform(bad_ids),
-        on_transform_error="skip",
-    )
-    assert ds.rows_skipped == 0
-
-    ids = [row["id"] for row in ds]
-
-    assert sorted(ids) == sorted(set(range(NUM_ROWS)) - bad_ids)
-    assert ds.rows_skipped == NUM_SPLITS
-
-
-def test_on_transform_error_skip_uneven_ends_at_last_complete_cycle(lance_table):
-    """When one split loses more rows than the others, the epoch ends at the
-    last cycle where every split still has a row — no crash, no bad rows, and
-    every step remains one sample per split."""
-    members = _sequential_split_members(lance_table)
-    bad_ids = set(members[0][:3])  # all 3 bad rows in split 0
-
-    ds = StreamingDataset(
-        lance_table,
-        num_splits=NUM_SPLITS,
-        shuffle=False,
-        transform=_failing_transform(bad_ids),
-        on_transform_error="skip",
-    )
-    items = [row["id"] for row in ds]
-
-    rows_per_split = NUM_ROWS // NUM_SPLITS
-    expected_cycles = rows_per_split - len(bad_ids)
-    assert len(items) == expected_cycles * NUM_SPLITS
-    assert len(set(items)) == len(items), "duplicate samples yielded"
-    assert not set(items) & bad_ids, "a bad row was yielded"
-    # Split 0 contributed exactly its surviving rows, in order, one per cycle.
-    survivors = [i for i in members[0] if i not in bad_ids]
-    assert items[0::NUM_SPLITS] == survivors[:expected_cycles]
-
-
-def test_on_transform_error_warn_logs(lance_table, caplog):
-    """'warn' skips like 'skip' but logs a warning for the failing batch."""
-    members = _sequential_split_members(lance_table)
-    bad_ids = {members[i][3] for i in range(NUM_SPLITS)}
-
-    ds = StreamingDataset(
-        lance_table,
-        num_splits=NUM_SPLITS,
-        shuffle=False,
-        transform=_failing_transform(bad_ids),
-        on_transform_error="warn",
-    )
-    with caplog.at_level(logging.WARNING, logger="lancedb.streaming"):
-        items = list(ds)
-
-    assert len(items) == NUM_ROWS - NUM_SPLITS
-    assert ds.rows_skipped == NUM_SPLITS
-    assert "Skipped" in caplog.text
-    assert "BadRowError" in caplog.text
-
-
-def test_on_transform_error_callable_selective(lance_table):
-    """A callable handler can skip expected errors and re-raise the rest."""
-    members = _sequential_split_members(lance_table)
-    bad_ids = {members[i][0] for i in range(NUM_SPLITS)}
-
-    handled: list[Exception] = []
-
-    def handler(exc: Exception) -> bool:
-        handled.append(exc)
-        return isinstance(exc, BadRowError)
-
-    ds = StreamingDataset(
-        lance_table,
-        num_splits=NUM_SPLITS,
-        shuffle=False,
-        transform=_failing_transform(bad_ids),
-        on_transform_error=handler,
-    )
-    items = list(ds)
-    assert len(items) == NUM_ROWS - NUM_SPLITS
-    assert handled and all(isinstance(exc, BadRowError) for exc in handled)
-
-    def broken_transform(batch: pa.RecordBatch) -> list:
-        raise TypeError("boom")
-
-    ds2 = StreamingDataset(
-        lance_table,
-        num_splits=NUM_SPLITS,
-        shuffle=False,
-        transform=broken_transform,
-        on_transform_error=handler,
-    )
-    with pytest.raises(TypeError, match="boom"):
-        list(ds2)
-
-
-def test_transform_wrong_row_count_raises(lance_table):
-    """A transform that returns the wrong number of rows is an error even with
-    on_transform_error='skip' — silent shrinkage would corrupt accounting."""
-
-    def drops_rows(batch: pa.RecordBatch) -> list:
-        return batch.column("id").to_pylist()[:-1]
-
-    ds = StreamingDataset(
-        lance_table,
-        num_splits=NUM_SPLITS,
-        shuffle_seed=SHUFFLE_SEED,
-        transform=drops_rows,
-        on_transform_error="skip",
-    )
-    with pytest.raises(ValueError, match="one output row per input row"):
-        list(ds)
-
-
-def test_skip_deterministic_across_runs(lance_table):
-    """With a fixed seed, skipping produces the identical sample sequence on
-    every run — skips are data-dependent, not run-dependent."""
-    bad_ids = {5, 17, 46}
-
-    def run() -> tuple[list[int], int]:
-        ds = StreamingDataset(
-            lance_table,
-            num_splits=NUM_SPLITS,
-            shuffle_seed=SHUFFLE_SEED,
-            transform=_failing_transform(bad_ids),
-            on_transform_error="skip",
-        )
-        return [row["id"] for row in ds], ds.rows_skipped
-
-    ids_a, skipped_a = run()
-    ids_b, skipped_b = run()
-    assert ids_a == ids_b
-    assert skipped_a == skipped_b
-    assert not set(ids_a) & bad_ids
-
-
-def test_skip_elastic_det_across_world_sizes(lance_table):
-    """With equal bad-row counts per split, skipping preserves the full
-    elastic-determinism guarantee: identical global batches at every step for
-    every compatible world_size."""
-    members = _sequential_split_members(lance_table)
-    bad_ids = {members[i][6] for i in range(NUM_SPLITS)}
-
-    def collect(world_size: int) -> list[frozenset[int]]:
-        micro = GLOBAL_BATCH_SIZE // world_size
-        iters = [
-            iter(
-                StreamingDataset(
-                    lance_table,
-                    num_splits=NUM_SPLITS,
-                    shuffle=False,
-                    rank=rank,
-                    world_size=world_size,
-                    transform=_failing_transform(bad_ids),
-                    on_transform_error="skip",
-                )
-            )
-            for rank in range(world_size)
-        ]
-        _STOP = object()
-        batches: list[frozenset[int]] = []
-        while True:
-            step_samples: set[int] = set()
-            exhausted = 0
-            for it in iters:
-                for _ in range(micro):
-                    val = next(it, _STOP)
-                    if val is _STOP:
-                        exhausted += 1
-                        break
-                    step_samples.add(val["id"])
-            if exhausted == len(iters):
-                break
-            assert exhausted == 0, (
-                "Rank iterators exhausted at different steps despite equal "
-                "bad-row counts per split"
-            )
-            batches.append(frozenset(step_samples))
-        return batches
-
-    reference = collect(1)
-    assert len(reference) == NUM_ROWS // NUM_SPLITS - 1
-    for ws in (2, 3, 4):
-        assert collect(ws) == reference, f"world_size={ws} diverged"
-
-
-def test_resumability_with_skips_same_topology(lance_table):
-    """Checkpointing mid-epoch with skipped rows resumes exactly: no sample
-    repeated, no sample lost, skipped rows stay skipped."""
-    members = _sequential_split_members(lance_table)
-    # Uneven skips: positions diverge across splits (2 bad in split 0, 1 in
-    # split 5), which only a position-based checkpoint can resume exactly.
-    bad_ids = {members[0][2], members[0][3], members[5][7]}
-    kwargs = dict(
-        num_splits=NUM_SPLITS,
-        shuffle=False,
-        transform=_failing_transform(bad_ids),
-        on_transform_error="skip",
-    )
-
-    reference = [row["id"] for row in StreamingDataset(lance_table, **kwargs)]
-    rows_per_split = NUM_ROWS // NUM_SPLITS
-    assert len(reference) == (rows_per_split - 2) * NUM_SPLITS
-
-    steps = 3
-    ds = StreamingDataset(lance_table, **kwargs)
-    it = iter(ds)
-    consumed = [next(it)["id"] for _ in range(steps * NUM_SPLITS)]
-    checkpoint = ds.state_dict()
-    it.close()
-
-    # Split 0 skipped positions 2 and 3 within its first 3 yields; split 5's
-    # bad row is beyond the checkpoint.  Everything else is at 3 = the sample
-    # count.
-    positions = checkpoint["positions_consumed_per_split"]
-    assert positions[0] == 5
-    assert positions[1:] == [3] * (NUM_SPLITS - 1)
-    assert checkpoint["samples_consumed_per_split"] == [3] * NUM_SPLITS
-
-    ds2 = StreamingDataset(lance_table, **kwargs)
-    ds2.load_state_dict(checkpoint)
-    resumed = [row["id"] for row in ds2]
-
-    assert consumed == reference[: steps * NUM_SPLITS]
-    assert resumed == reference[steps * NUM_SPLITS :]
-
-
-def test_resumability_with_skips_elastic_merge(lance_table):
-    """Elastic resume with skips: each rank's checkpoint knows exact positions
-    only for its own splits; merge_state_dicts recovers the global state, and
-    a run on a different world_size continues exactly."""
-    members = _sequential_split_members(lance_table)
-    # Bad rows early in split 0 (rank 0) and split 6 (rank 1 of a ws=2 run) so
-    # both ranks' position vectors diverge before the checkpoint.
-    bad_ids = {members[0][0], members[0][2], members[6][1]}
-    kwargs = dict(
-        num_splits=NUM_SPLITS,
-        shuffle=False,
-        transform=_failing_transform(bad_ids),
-        on_transform_error="skip",
-    )
-
-    reference = [row["id"] for row in StreamingDataset(lance_table, **kwargs)]
-
-    steps = 3
-    world_size = 2
-    micro = GLOBAL_BATCH_SIZE // world_size
-    datasets = [
-        StreamingDataset(lance_table, rank=rank, world_size=world_size, **kwargs)
-        for rank in range(world_size)
-    ]
-    iters = [iter(ds) for ds in datasets]
-    seen: list[frozenset[int]] = []
-    for _ in range(steps):
-        step_samples = set()
-        for it in iters:
-            for _ in range(micro):
-                step_samples.add(next(it)["id"])
-        seen.append(frozenset(step_samples))
-    states = [ds.state_dict() for ds in datasets]
-    for it in iters:
-        it.close()
-
-    merged = StreamingDataset.merge_state_dicts(states)
-    expected_positions = [3] * NUM_SPLITS
-    expected_positions[0] = 5  # skipped positions 0 and 2
-    expected_positions[6] = 4  # skipped position 1
-    assert merged["positions_consumed_per_split"] == expected_positions
-
-    # The first 3 global batches match the world_size=1 reference.
-    ref_batches = [
-        frozenset(reference[s * NUM_SPLITS : (s + 1) * NUM_SPLITS])
-        for s in range(len(reference) // NUM_SPLITS)
-    ]
-    assert seen == ref_batches[:steps]
-
-    # Resume on world_size=1 from the merged state.
-    ds_resume = StreamingDataset(lance_table, **kwargs)
-    ds_resume.load_state_dict(merged)
-    resumed = [row["id"] for row in ds_resume]
-    assert resumed == reference[steps * NUM_SPLITS :]
-
-
-def test_rows_skipped_flushed_when_split_entirely_bad(lance_table):
-    """A split whose rows all fail never completes a cycle, so the epoch ends
-    immediately — but rows_skipped must still report the drops after the
-    iterator exits (the shared-memory counter is flushed on exhaustion)."""
-    members = _sequential_split_members(lance_table)
-    bad_ids = set(members[0])  # every row of split 0 is bad
-
-    ds = StreamingDataset(
-        lance_table,
-        num_splits=NUM_SPLITS,
-        shuffle=False,
-        transform=_failing_transform(bad_ids),
-        on_transform_error="skip",
-    )
-    assert list(ds) == []
-    assert ds.rows_skipped == len(bad_ids)
-
-
-def test_merge_state_dicts_validates_consistency(lance_table):
-    ds = StreamingDataset(lance_table, num_splits=NUM_SPLITS, shuffle_seed=SHUFFLE_SEED)
-    state = ds.state_dict()
-    other = dict(state, shuffle_seed=SHUFFLE_SEED + 1)
-    with pytest.raises(ValueError, match="shuffle_seed mismatch"):
-        StreamingDataset.merge_state_dicts([state, other])
-    with pytest.raises(ValueError, match="at least one"):
-        StreamingDataset.merge_state_dicts([])
-
-
-def test_load_state_dict_without_positions_key(lance_table):
-    """Checkpoints from before positions_consumed_per_split existed still
-    resume exactly (positions equal sample counts when nothing is skipped)."""
-    reference = [
-        row["id"]
-        for row in StreamingDataset(
-            lance_table, num_splits=NUM_SPLITS, shuffle_seed=SHUFFLE_SEED
-        )
-    ]
-
-    steps = 4
-    ds = StreamingDataset(lance_table, num_splits=NUM_SPLITS, shuffle_seed=SHUFFLE_SEED)
-    it = iter(ds)
-    for _ in range(steps * NUM_SPLITS):
-        next(it)
-    checkpoint = ds.state_dict()
-    it.close()
-    del checkpoint["positions_consumed_per_split"]
-
-    ds2 = StreamingDataset(
-        lance_table, num_splits=NUM_SPLITS, shuffle_seed=SHUFFLE_SEED
-    )
-    ds2.load_state_dict(checkpoint)
-    resumed = [row["id"] for row in ds2]
-    assert resumed == reference[steps * NUM_SPLITS :]
-
-
 def test_num_splits_defaults_to_world_size(lance_table):
    """Omitting num_splits gives world_size splits (one per rank)."""
    ds = StreamingDataset(
@@ -83,9 +83,7 @@ def test_lsm_write_spec_repr():
    assert s.spec_type == "bucket"
    assert s.column == "id"
    assert s.num_buckets == 4
-    # A fresh spec defers its maintained set to install time.
-    assert s.maintained_indexes is None
-    assert s.with_maintained_indexes([]).maintained_indexes == []
+    assert s.maintained_indexes == []
    assert "bucket" in repr(s)
    assert "id" in repr(s)
    assert "4" in repr(s)
@@ -171,23 +169,18 @@ def test_get_lsm_write_spec(tmp_path):
    table.unset_lsm_write_spec()
    assert table.get_lsm_write_spec() is None

-    # Identity round-trips (column recovered from the schema). Leaving the
-    # maintained set to be inferred picks up the index on the table, so the
-    # spec reads back naming it rather than as "infer".
+    # Identity round-trips (column recovered from the schema).
    table.set_lsm_write_spec(LsmWriteSpec.identity("id"))
    spec = table.get_lsm_write_spec()
    assert spec.spec_type == "identity"
    assert spec.column == "id"
-    assert spec.maintained_indexes == [idx_name]
    table.unset_lsm_write_spec()

-    # Unsharded round-trips (no routing column). Opting out is distinct from
-    # the inferred default.
-    table.set_lsm_write_spec(LsmWriteSpec.unsharded().with_maintained_indexes([]))
+    # Unsharded round-trips (no routing column).
+    table.set_lsm_write_spec(LsmWriteSpec.unsharded())
    spec = table.get_lsm_write_spec()
    assert spec.spec_type == "unsharded"
    assert spec.column is None
-    assert spec.maintained_indexes == []


@pytest.mark.asyncio
@@ -544,7 +544,7 @@ def test_lsm_read_fts_unmaintained_index_errors(tmp_path):
    table.create_index("text", config=FTS())
    # No maintained indexes: the active memtable FTS arm cannot serve un-compacted
    # docs, so the search would silently omit them — reject instead.
-    table.set_lsm_write_spec(LsmWriteSpec.unsharded().with_maintained_indexes([]))
+    table.set_lsm_write_spec(LsmWriteSpec.unsharded())
    with pytest.raises(Exception, match="maintained"):
        table.search("fox", query_type="fts", fts_columns="text").to_arrow()

@@ -631,7 +631,7 @@ def test_lsm_read_vector_unmaintained_index_errors(tmp_path):
    )
    # Spec with NO maintained indexes: the base vector index's catch-up is untracked,
    # so the scanner rejects rather than risk dropping compacted-but-unindexed rows.
-    table.set_lsm_write_spec(LsmWriteSpec.unsharded().with_maintained_indexes([]))
+    table.set_lsm_write_spec(LsmWriteSpec.unsharded())
    with pytest.raises(Exception, match="maintained"):
        table.search([1.0] * VECTOR_DIM).to_arrow()

@@ -289,7 +289,7 @@ struct IvfHnswFlatParams {
    target_partition_size: Option<u32>,
 }

-#[pyclass(module = "lancedb._lancedb", get_all)]
+#[pyclass(get_all)]
 /// A description of an index currently configured on a column
 pub struct IndexConfig {
    /// The type of the index
@@ -11,7 +11,7 @@ use pyo3::{PyResult, pyclass, pymethods};
 /// Sessions allow you to configure cache sizes for index and metadata caches,
 /// which can significantly impact memory use and performance. They can
 /// also be re-used across multiple connections to share the same cache state.
-#[pyclass(module = "lancedb._lancedb", from_py_object)]
+#[pyclass(from_py_object)]
 #[derive(Clone)]
 pub struct Session {
    pub(crate) inner: Arc<LanceSession>,
@@ -246,22 +246,12 @@ impl From<lancedb::table::MergeResult> for MergeResult {
    }
 }

-/// Render for `__repr__`, so the default reads as Python's `None` rather than
-/// Rust's `Some([..])`.
-fn fmt_maintained(maintained: &Option<Vec<String>>) -> String {
-    match maintained {
-        Some(names) => format!("{:?}", names),
-        None => "None".to_string(),
-    }
-}
-
 /// Specification selecting Lance's MemWAL LSM-style write path for
 /// `merge_insert`.
 ///
 /// Constructed via the `bucket(...)`, `identity(...)`, or `unsharded()`
 /// classmethods, then optionally chain `with_maintained_indexes(...)` and
-/// `with_writer_config_defaults(...)`. A fresh spec maintains every index the
-/// MemWAL supports, resolved on install.
+/// `with_writer_config_defaults(...)`.
 #[pyclass(from_py_object)]
 #[derive(Clone, Debug)]
 pub struct LsmWriteSpec {
@@ -301,11 +291,11 @@ impl LsmWriteSpec {
        }
    }

-    /// Set which indexes the MemWAL maintains. `None` (the default)
-    /// resolves every supported index on install; a list is verbatim,
-    /// and an empty list maintains nothing.
-    #[pyo3(signature = (indexes))]
-    pub fn with_maintained_indexes(&self, indexes: Option<Vec<String>>) -> Self {
+    /// Replace the list of indexes the MemWAL should keep up to date as
+    /// rows are appended. Each name must reference an index that
+    /// already exists on the table at the time `set_lsm_write_spec`
+    /// is called.
+    pub fn with_maintained_indexes(&self, indexes: Vec<String>) -> Self {
        Self {
            inner: self.inner.clone().with_maintained_indexes(indexes),
        }
@@ -327,29 +317,23 @@ impl LsmWriteSpec {
                maintained_indexes,
                writer_config_defaults,
            } => format!(
-                "LsmWriteSpec.bucket(column={:?}, num_buckets={}, maintained_indexes={}, writer_config_defaults={:?})",
-                column,
-                num_buckets,
-                fmt_maintained(maintained_indexes),
-                writer_config_defaults,
+                "LsmWriteSpec.bucket(column={:?}, num_buckets={}, maintained_indexes={:?}, writer_config_defaults={:?})",
+                column, num_buckets, maintained_indexes, writer_config_defaults,
            ),
            lancedb::table::LsmWriteSpec::Identity {
                column,
                maintained_indexes,
                writer_config_defaults,
            } => format!(
-                "LsmWriteSpec.identity(column={:?}, maintained_indexes={}, writer_config_defaults={:?})",
-                column,
-                fmt_maintained(maintained_indexes),
-                writer_config_defaults,
+                "LsmWriteSpec.identity(column={:?}, maintained_indexes={:?}, writer_config_defaults={:?})",
+                column, maintained_indexes, writer_config_defaults,
            ),
            lancedb::table::LsmWriteSpec::Unsharded {
                maintained_indexes,
                writer_config_defaults,
            } => format!(
-                "LsmWriteSpec.unsharded(maintained_indexes={}, writer_config_defaults={:?})",
-                fmt_maintained(maintained_indexes),
-                writer_config_defaults,
+                "LsmWriteSpec.unsharded(maintained_indexes={:?}, writer_config_defaults={:?})",
+                maintained_indexes, writer_config_defaults,
            ),
        }
    }
@@ -384,10 +368,10 @@ impl LsmWriteSpec {
        }
    }

-    /// Indexes the MemWAL keeps up to date, or `None` for every supported one.
+    /// Names of indexes the MemWAL should keep up to date during writes.
    #[getter]
-    pub fn maintained_indexes(&self) -> Option<Vec<String>> {
-        self.inner.maintained_indexes().map(<[String]>::to_vec)
+    pub fn maintained_indexes(&self) -> Vec<String> {
+        self.inner.maintained_indexes().to_vec()
    }

    /// Default `ShardWriter` configuration recorded by this spec.
@@ -579,7 +563,7 @@ impl PyBlobFile {
    }
 }

-#[pyclass(module = "lancedb._lancedb", get_all, from_py_object)]
+#[pyclass(get_all, from_py_object)]
 #[derive(Clone, Debug)]
 pub struct FtsToken {
    pub text: String,
@@ -799,7 +799,7 @@ name = "cuda-bindings"
 version = "13.3.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "cuda-pathfinder", marker = "(python_full_version < '3.14' and sys_platform == 'emscripten') or (python_full_version < '3.14' and sys_platform == 'win32') or (sys_platform != 'emscripten' and sys_platform != 'win32')" },
+    { name = "cuda-pathfinder" },
 ]
 wheels = [
    { url = "https://files.pythonhosted.org/packages/a9/21/8464d133752951c154feafb3b65c297e7d80f301183d220bec4c830f1441/cuda_bindings-13.3.1-cp310-cp310-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:120fcc53d57903df529c3486962c56528cba5b7d6c57c99537320ed9922c8b86", size = 6073403, upload-time = "2026-05-29T23:11:36.22Z" },
@@ -834,37 +834,37 @@ wheels = [

 [package.optional-dependencies]
 cublas = [
-    { name = "nvidia-cublas", marker = "(python_full_version < '3.14' and sys_platform == 'win32') or sys_platform == 'linux'" },
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 ]

 [[package]]
@@ -4683,10 +4683,10 @@ resolution-markers = [
    "python_full_version < '3.11'",
 ]
 dependencies = [
-    { name = "joblib", marker = "python_full_version < '3.11'" },
-    { name = "numpy", version = "2.2.6", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.11'" },
-    { name = "scipy", version = "1.15.3", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.11'" },
-    { name = "threadpoolctl", marker = "python_full_version < '3.11'" },
+    { name = "joblib" },
+    { name = "numpy", version = "2.2.6", source = { registry = "https://pypi.org/simple" } },
+    { name = "scipy", version = "1.15.3", source = { registry = "https://pypi.org/simple" } },
+    { name = "threadpoolctl" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/98/c2/a7855e41c9d285dfe86dc50b250978105dce513d6e459ea66a6aeb0e1e0c/scikit_learn-1.7.2.tar.gz", hash = "sha256:20e9e49ecd130598f1ca38a1d85090e1a600147b9c02fa6f15d69cb53d968fda", size = 7193136, upload-time = "2025-09-09T08:21:29.075Z" }
 wheels = [
@@ -4734,13 +4734,13 @@ resolution-markers = [
    "python_full_version == '3.11.*'",
 ]
 dependencies = [
-    { name = "joblib", marker = "python_full_version >= '3.11'" },
-    { name = "narwhals", marker = "python_full_version >= '3.11'" },
-    { name = "numpy", version = "2.4.6", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version == '3.11.*'" },
+    { name = "joblib" },
+    { name = "narwhals" },
+    { name = "numpy", version = "2.4.6", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.12'" },
    { name = "numpy", version = "2.5.1", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.12'" },
-    { name = "scipy", version = "1.17.1", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version == '3.11.*'" },
+    { name = "scipy", version = "1.17.1", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.12'" },
    { name = "scipy", version = "1.18.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.12'" },
-    { name = "threadpoolctl", marker = "python_full_version >= '3.11'" },
+    { name = "threadpoolctl" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/fa/6f/37092bdb25f712817231799fc5674d8e704066a8a70c1d2d40517e18b4ab/scikit_learn-1.9.0.tar.gz", hash = "sha256:8833266989d3a5110178a9fae30783675460724d0e1efb13b14901d2c660c557", size = 7750767, upload-time = "2026-06-02T11:54:32.706Z" }
 wheels = [
@@ -4784,7 +4784,7 @@ resolution-markers = [
    "python_full_version < '3.11'",
 ]
 dependencies = [
-    { name = "numpy", version = "2.2.6", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.11'" },
+    { name = "numpy", version = "2.2.6", source = { registry = "https://pypi.org/simple" } },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/0f/37/6964b830433e654ec7485e45a00fc9a27cf868d622838f6b6d9c5ec0d532/scipy-1.15.3.tar.gz", hash = "sha256:eae3cf522bc7df64b42cad3925c876e1b0b6c35c1337c93e12c0f366f55b0eaf", size = 59419214, upload-time = "2025-05-08T16:13:05.955Z" }
 wheels = [
@@ -4843,7 +4843,7 @@ resolution-markers = [
    "python_full_version == '3.11.*'",
 ]
 dependencies = [
-    { name = "numpy", version = "2.4.6", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version == '3.11.*'" },
+    { name = "numpy", version = "2.4.6", source = { registry = "https://pypi.org/simple" } },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/7a/97/5a3609c4f8d58b039179648e62dd220f89864f56f7357f5d4f45c29eb2cc/scipy-1.17.1.tar.gz", hash = "sha256:95d8e012d8cb8816c226aef832200b1d45109ed4464303e997c5b13122b297c0", size = 30573822, upload-time = "2026-02-23T00:26:24.851Z" }
 wheels = [
@@ -4920,7 +4920,7 @@ resolution-markers = [
    "python_full_version >= '3.12' and python_full_version < '3.14'",
 ]
 dependencies = [
-    { name = "numpy", version = "2.5.1", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.12'" },
+    { name = "numpy", version = "2.5.1", source = { registry = "https://pypi.org/simple" } },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/a7/25/c2700dfaf6442b4effaa91af24ebce5dc9d31bb4a69706313aae70d72cd0/scipy-1.18.0.tar.gz", hash = "sha256:67b2ad2ad54c72ca6d04975a9b2df8c3638c34ddd5b28738e94fc2b57929d378", size = 30774447, upload-time = "2026-06-19T15:01:43.456Z" }
 wheels = [
@@ -1,6 +1,6 @@
 [package]
 name = "lancedb"
-version = "0.37.1-beta.1"
+version = "0.37.1"
 edition.workspace = true
 description = "LanceDB: A serverless, low-latency vector database for AI applications"
 license.workspace = true
@@ -115,11 +115,6 @@ serial_test = "3"
 [target.'cfg(unix)'.dev-dependencies]
 pprof = { version = "0.14", features = ["flamegraph"] }

-[target.'cfg(windows)'.dependencies]
-windows-sys = { version = "0.61", features = [
-    "Win32_Foundation",
-    "Win32_Storage_FileSystem",
-] }

 [features]
 default = []
@@ -193,9 +188,6 @@ required-features = ["bedrock"]
 [[example]]
 name = "bench_streaming_dataloader"

-[[example]]
-name = "bench_open_missing_table"
-
 [[example]]
 name = "simple"

@@ -1,150 +0,0 @@
-// SPDX-License-Identifier: Apache-2.0
-// SPDX-FileCopyrightText: Copyright The LanceDB Authors
-
-// Release benchmark for opening a missing table as sibling-table cardinality grows.
-//
-// The fixture uses real `.lance` directories and marker files. Fixture creation is
-// outside the timed section. Defaults intentionally cover 1k, 10k, and 100k siblings
-// with 10 warmups and 100 distinct missing-table opens per scale:
-//
-// ```text
-// cargo run --release -p lancedb --example bench_open_missing_table
-// ```
-//
-// `BENCH_SIBLINGS`, `BENCH_WARMUPS`, and `BENCH_TRIALS` override those defaults.
-// Reduced settings are useful only as a smoke test. Performance comparisons require
-// the same machine, filesystem, fixture sizes, settings, lockfile, and alternating
-// baseline/candidate execution order.
-
-use std::time::{Duration, Instant};
-
-use anyhow::{Context, Result, bail};
-use lancedb::connection::Connection;
-use lancedb::{Error, connect};
-use object_store::ObjectStoreExt as _;
-use object_store::path::Path;
-
-const MAX_SIBLINGS: usize = 1_000_000;
-const MAX_WARMUPS: usize = 10_000;
-const MAX_TRIALS: usize = 100_000;
-
-fn env_usize(key: &str, default: usize, max: usize) -> Result<usize> {
-    let value = match std::env::var(key) {
-        Ok(value) => value
-            .parse()
-            .with_context(|| format!("invalid {key} value: {value}"))?,
-        Err(std::env::VarError::NotPresent) => default,
-        Err(error) => return Err(error).with_context(|| format!("reading {key}")),
-    };
-    if value == 0 || value > max {
-        bail!("{key} must be between 1 and {max}");
-    }
-    Ok(value)
-}
-
-fn sibling_counts() -> Result<Vec<usize>> {
-    let raw = std::env::var("BENCH_SIBLINGS").unwrap_or_else(|_| "1000,10000,100000".into());
-    let mut counts = raw
-        .split(',')
-        .map(|value| {
-            value
-                .trim()
-                .parse::<usize>()
-                .with_context(|| format!("invalid BENCH_SIBLINGS value: {value}"))
-        })
-        .collect::<Result<Vec<_>>>()?;
-    counts.sort_unstable();
-    counts.dedup();
-    if counts.is_empty() || counts[0] == 0 || counts[counts.len() - 1] > MAX_SIBLINGS {
-        bail!("BENCH_SIBLINGS values must be between 1 and {MAX_SIBLINGS}");
-    }
-    Ok(counts)
-}
-
-async fn add_siblings(
-    store: &object_store::local::LocalFileSystem,
-    start: usize,
-    end: usize,
-) -> Result<()> {
-    for index in start..end {
-        let marker = Path::from(format!("sibling_{index:06}.lance/_marker"));
-        store
-            .put(&marker, bytes::Bytes::new().into())
-            .await
-            .with_context(|| format!("creating benchmark marker {marker}"))?;
-    }
-    Ok(())
-}
-
-async fn time_missing_open(db: &Connection, name: &str) -> Result<Duration> {
-    let started = Instant::now();
-    let result = db.open_table(name).execute().await;
-    let elapsed = started.elapsed();
-    match result {
-        Err(Error::TableNotFound { .. }) => Ok(elapsed),
-        Err(error) => bail!("expected TableNotFound for {name}, got {error:?}"),
-        Ok(_) => bail!("benchmark missing-table name unexpectedly exists: {name}"),
-    }
-}
-
-fn percentile(sorted: &[Duration], percentile: usize) -> Duration {
-    let rank = (sorted.len() * percentile).div_ceil(100).saturating_sub(1);
-    sorted[rank]
-}
-
-#[tokio::main]
-async fn main() -> Result<()> {
-    let counts = sibling_counts()?;
-    let warmups = env_usize("BENCH_WARMUPS", 10, MAX_WARMUPS)?;
-    let trials = env_usize("BENCH_TRIALS", 100, MAX_TRIALS)?;
-
-    let fixture = tempfile::tempdir().context("creating benchmark fixture")?;
-    let database_path = fixture.path();
-    let fixture_store = object_store::local::LocalFileSystem::new_with_prefix(database_path)
-        .context("creating benchmark object store")?;
-    let db = connect(database_path.to_str().context("non-UTF-8 fixture path")?)
-        .execute()
-        .await?;
-
-    println!(
-        "config: siblings={counts:?} warmups={warmups} trials={trials} profile={} os={} arch={}",
-        if cfg!(debug_assertions) {
-            "debug"
-        } else {
-            "release"
-        },
-        std::env::consts::OS,
-        std::env::consts::ARCH,
-    );
-    println!("lower is better; fixture setup and teardown are excluded");
-    println!("| siblings | samples | p50 | p95 | max |");
-    println!("| ---: | ---: | ---: | ---: | ---: |");
-
-    let mut created = 0;
-    for sibling_count in counts {
-        add_siblings(&fixture_store, created, sibling_count).await?;
-        created = sibling_count;
-
-        for index in 0..warmups {
-            let name = format!("__missing_warmup_{sibling_count}_{index}");
-            let _ = time_missing_open(&db, &name).await?;
-        }
-
-        let mut samples = Vec::with_capacity(trials);
-        for index in 0..trials {
-            let name = format!("__missing_trial_{sibling_count}_{index}");
-            samples.push(time_missing_open(&db, &name).await?);
-        }
-        samples.sort_unstable();
-
-        println!(
-            "| {sibling_count} | {} | {:?} | {:?} | {:?} |",
-            samples.len(),
-            percentile(&samples, 50),
-            percentile(&samples, 95),
-            samples[samples.len() - 1],
-        );
-    }
-
-    Ok(())
-}
@@ -17,7 +17,7 @@ use arrow_array::builder::LargeBinaryBuilder;
 use arrow_schema::{DataType, Field, Schema};
 use lance::dataset::{BlobRangeRequest as LanceBlobRangeRequest, Dataset, WriteParams};
 use lance_arrow::FieldExt;
-use lance_file::version::{ConcreteFileVersion, LanceFileVersion};
+use lance_file::version::LanceFileVersion;
 use lance_io::object_store::ObjectStore;
 use object_store::path::Path;

@@ -333,10 +333,7 @@ pub(crate) fn ensure_blob_storage_version(schema: &Schema, params: &mut WritePar
        .data_storage_version
        .unwrap_or(LanceFileVersion::Stable)
        .resolve();
-    if matches!(
-        resolved,
-        ConcreteFileVersion::V1 | ConcreteFileVersion::V2_0 | ConcreteFileVersion::V2_1
-    ) {
+    if resolved < LanceFileVersion::V2_2 {
        params.data_storage_version = Some(LanceFileVersion::V2_2);
    }
 }
@@ -502,7 +499,7 @@ mod tests {
        ensure_blob_storage_version(&blob_schema(), &mut params);
        assert_eq!(
            params.data_storage_version.unwrap().resolve(),
-            ConcreteFileVersion::V2_2
+            LanceFileVersion::V2_2
        );
    }

@@ -515,7 +512,7 @@ mod tests {
        ensure_blob_storage_version(&blob_schema(), &mut params);
        assert_eq!(
            params.data_storage_version.unwrap().resolve(),
-            ConcreteFileVersion::V2_2
+            LanceFileVersion::V2_2
        );
    }

@@ -409,11 +409,6 @@ impl Connection {
    ///
    /// The names will be returned in lexicographical order (ascending)
    ///
-    /// Listing databases discover physical `*.lance` entries without opening every
-    /// dataset. The result is a point-in-time discovery snapshot: an entry may still be
-    /// under creation, may contain only uncommitted storage, or may be concurrently
-    /// dropped before it is opened.
-    ///
    /// The parameters `page_token` and `limit` can be used to paginate the results
    pub fn table_names(&self) -> TableNamesBuilder {
        TableNamesBuilder::new(self.internal.clone())
@@ -461,9 +456,10 @@ impl Connection {
    ///
    /// # Returns
    /// Created [`TableRef`], or [`Error::TableNotFound`] if the table does not exist.
-    /// On listing databases, a committed Lance manifest is authoritative for table
-    /// existence. Uncommitted files or a physical `<name>.lance` directory alone do not
-    /// make a table openable.
+    /// If the table's storage is present but holds no readable dataset (for example a
+    /// `<name>.lance` directory left behind by an interrupted drop and re-create, which
+    /// [`Self::table_names`] still lists) this returns [`Error::TableCorrupted`]
+    /// instead.
    pub fn open_table(&self, name: impl Into<String>) -> OpenTableBuilder {
        OpenTableBuilder::new(
            self.internal.clone(),
@@ -438,9 +438,10 @@ mod tests {
            .await
            .unwrap()
            .data_storage_format
-            .lance_file_format();
+            .lance_file_version()
+            .unwrap();
        // Compare resolved versions since Stable/Next are aliases that resolve at storage time
-        assert_eq!(storage_format, data_storage_version.resolve());
+        assert_eq!(storage_format.resolve(), data_storage_version.resolve());
    }

    #[tokio::test]
@@ -25,7 +25,7 @@ use crate::database::namespace::LanceNamespaceDatabase;
 use crate::error::{CreateDirSnafu, Error, Result};
 use crate::io::object_store::MirroringObjectStoreWrapper;
 use crate::table::NativeTable;
-use crate::utils::{PatchStoreParam, validate_table_name};
+use crate::utils::validate_table_name;

 use lance_namespace::models::{
    CreateNamespaceRequest, CreateNamespaceResponse, DescribeNamespaceRequest,
@@ -355,14 +355,6 @@ impl ListingDatabase {
        url.to_string()
    }

-    #[cfg(any(windows, test))]
-    fn uses_local_file_provider(object_store: &ObjectStore) -> bool {
-        matches!(
-            object_store.scheme(),
-            "file" | "file-object-store" | "file+uring"
-        )
-    }
-
    async fn prepare_namespace_root(
        uri: &str,
        storage_options: &HashMap<String, String>,
@@ -589,17 +581,6 @@ impl ListingDatabase {
                    }
                    None => None,
                };
-                #[cfg(windows)]
-                let write_store_wrapper = if Self::uses_local_file_provider(&object_store) {
-                    // Local manifest commits need create-only rename semantics,
-                    // including on filesystems that do not support hard links.
-                    Some(
-                        Arc::new(crate::io::object_store::windows::WindowsLocalFileSystemWrapper)
-                            as Arc<dyn WrappingObjectStore>,
-                    )
-                } else {
-                    write_store_wrapper
-                };

                let namespace_database = Self::connect_namespace_database(
                    &storage_base_uri,
@@ -664,22 +645,12 @@ impl ListingDatabase {
        )
        .await?;

-        #[cfg(windows)]
-        let write_store_wrapper = Self::uses_local_file_provider(&object_store).then(|| {
-            // Local manifest commits need create-only rename semantics,
-            // including on filesystems that do not support hard links.
-            Arc::new(crate::io::object_store::windows::WindowsLocalFileSystemWrapper)
-                as Arc<dyn WrappingObjectStore>
-        });
-        #[cfg(not(windows))]
-        let write_store_wrapper = None;
-
        Ok(Self {
            uri: path.to_string(),
            query_string: None,
            base_path,
            object_store,
-            store_wrapper: write_store_wrapper,
+            store_wrapper: None,
            read_consistency_interval,
            storage_options: HashMap::new(),
            storage_options_provider: None,
@@ -1141,12 +1112,6 @@ impl Database for ListingDatabase {
            },
            ..Default::default()
        };
-        let storage_params = match self.store_wrapper.clone() {
-            Some(wrapper) => Some(storage_params)
-                .patch_with_store_wrapper(wrapper)?
-                .expect("patching store params always returns parameters"),
-            None => storage_params,
-        };
        let read_params = ReadParams {
            store_options: Some(storage_params.clone()),
            session: Some(self.session.clone()),
@@ -1326,37 +1291,16 @@ impl Database for ListingDatabase {
 mod tests {
    use super::*;
    use crate::Table;
-    use crate::arrow::{SendableRecordBatchStream, SimpleRecordBatchStream};
    use crate::connection::ConnectRequest;
    use crate::data::scannable::Scannable;
    use crate::database::{CreateTableMode, CreateTableRequest};
-    use crate::io::object_store::io_tracking::IoStatsHolder;
    use crate::query::QueryRequest;
    use crate::table::{AnyQuery, WriteOptions};
    use arrow_array::{Int32Array, RecordBatch, StringArray};
-    use arrow_schema::{DataType, Field, Schema, SchemaRef};
-    use futures::{TryStreamExt, stream::once};
+    use arrow_schema::{DataType, Field, Schema};
+    use futures::TryStreamExt;
    use std::path::PathBuf;
-    use std::sync::Arc;
-    use std::sync::atomic::{AtomicUsize, Ordering};
-    use std::time::Duration;
    use tempfile::tempdir;
-    use tokio::sync::Barrier;
-    use tokio::time::timeout;
-
-    #[derive(Debug)]
-    struct PassthroughStoreWrapper(Arc<AtomicUsize>);
-
-    impl WrappingObjectStore for PassthroughStoreWrapper {
-        fn wrap(
-            &self,
-            _store_prefix: &str,
-            target: Arc<dyn object_store::ObjectStore>,
-        ) -> Arc<dyn object_store::ObjectStore> {
-            self.0.fetch_add(1, Ordering::Relaxed);
-            target
-        }
-    }

    async fn setup_database() -> (tempfile::TempDir, ListingDatabase) {
        let tempdir = tempdir().unwrap();
@@ -1380,114 +1324,6 @@ mod tests {
        (tempdir, db)
    }

-    struct BarrierScannable {
-        batch: RecordBatch,
-        barrier: Arc<Barrier>,
-    }
-
-    impl Scannable for BarrierScannable {
-        fn schema(&self) -> SchemaRef {
-            self.batch.schema()
-        }
-
-        fn scan_as_stream(&mut self) -> SendableRecordBatchStream {
-            let batch = self.batch.clone();
-            let schema = batch.schema();
-            let barrier = self.barrier.clone();
-            Box::pin(SimpleRecordBatchStream {
-                schema,
-                stream: once(async move {
-                    barrier.wait().await;
-                    Ok(batch)
-                }),
-            })
-        }
-    }
-
-    fn create_request(name: &str, data: Box<dyn Scannable>) -> CreateTableRequest {
-        CreateTableRequest {
-            name: name.to_string(),
-            namespace_path: vec![],
-            data,
-            mode: CreateTableMode::Create,
-            write_options: Default::default(),
-            location: None,
-            namespace_client: None,
-        }
-    }
-
-    #[tokio::test]
-    async fn test_create_ignores_uncommitted_storage_without_manifest() {
-        let (tmp_dir, db) = setup_database().await;
-        let data_dir = tmp_dir.path().join("test.lance/data");
-        std::fs::create_dir_all(&data_dir).unwrap();
-        std::fs::write(data_dir.join("orphan.lance"), b"uncommitted").unwrap();
-
-        let schema = Arc::new(Schema::new(vec![Field::new("id", DataType::Int32, false)]));
-        let batch =
-            RecordBatch::try_new(schema, vec![Arc::new(Int32Array::from(vec![1]))]).unwrap();
-
-        let table = db
-            .create_table(create_request("test", Box::new(batch)))
-            .await
-            .unwrap();
-        assert_eq!(table.count_rows(None).await.unwrap(), 1);
-    }
-
-    #[tokio::test]
-    async fn test_concurrent_create_is_arbitrated_by_manifest_commit() {
-        let uri = format!("memory:///concurrent-create-{}", uuid::Uuid::new_v4());
-        let db = crate::connect(&uri).execute().await.unwrap();
-        let store: Arc<dyn object_store::ObjectStore> =
-            Arc::new(object_store::memory::InMemory::new());
-        let table_url = url::Url::parse("memory:///database/test.lance").unwrap();
-        let schema = Arc::new(Schema::new(vec![Field::new("id", DataType::Int32, false)]));
-        let batch =
-            RecordBatch::try_new(schema, vec![Arc::new(Int32Array::from(vec![1]))]).unwrap();
-        let barrier = Arc::new(Barrier::new(2));
-
-        #[allow(deprecated)]
-        let request = |batch, barrier| {
-            let mut request = create_request("test", Box::new(BarrierScannable { batch, barrier }));
-            request.write_options = WriteOptions {
-                lance_write_params: Some(lance::dataset::WriteParams {
-                    store_params: Some(ObjectStoreParams {
-                        object_store: Some((store.clone(), table_url.clone())),
-                        ..Default::default()
-                    }),
-                    commit_handler: Some(Arc::new(
-                        lance_table::io::commit::ConditionalPutCommitHandler,
-                    )),
-                    ..Default::default()
-                }),
-            };
-            request
-        };
-
-        let left = db
-            .database()
-            .create_table(request(batch.clone(), barrier.clone()));
-        let right = db.database().create_table(request(batch, barrier));
-        let (left, right) = timeout(Duration::from_secs(30), async { tokio::join!(left, right) })
-            .await
-            .expect("concurrent creates deadlocked");
-
-        let results = [left, right];
-        assert_eq!(
-            results.iter().filter(|result| result.is_ok()).count(),
-            1,
-            "expected one successful create, got {results:?}"
-        );
-        assert_eq!(
-            results
-                .iter()
-                .filter(|result| matches!(result, Err(Error::TableAlreadyExists { .. })))
-                .count(),
-            1,
-            "expected one manifest conflict, got {results:?}"
-        );
-    }
-
    #[tokio::test]
    async fn test_listing_database_root_ops_do_not_create_manifest() {
        let tempdir = tempdir().unwrap();
@@ -1542,25 +1378,6 @@ mod tests {
        assert!(!tempdir.path().join("__manifest").exists());
    }

-    #[tokio::test]
-    async fn test_file_object_store_uses_local_file_provider() {
-        let tempdir = tempdir().unwrap();
-        let path = tempdir.path().to_string_lossy().replace('\\', "/");
-        let uri = if path.starts_with('/') {
-            format!("file-object-store://{path}")
-        } else {
-            format!("file-object-store:///{path}")
-        };
-        let registry = Arc::new(lance_io::object_store::ObjectStoreRegistry::default());
-        let (store, _) =
-            ObjectStore::from_uri_and_params(registry, &uri, &ObjectStoreParams::default())
-                .await
-                .unwrap();
-
-        assert_eq!(store.scheme(), "file-object-store");
-        assert!(ListingDatabase::uses_local_file_provider(&store));
-    }
-
    /// Regression test for https://github.com/lancedb/lancedb/issues/1600.
    ///
    /// Opening a table used to create a separate object-store client instead of
@@ -1584,13 +1401,9 @@ mod tests {
            read_consistency_interval: None,
            session: Some(session),
        };
-        let mut db = ListingDatabase::connect_with_options(&request)
+        let db = ListingDatabase::connect_with_options(&request)
            .await
            .unwrap();
-        // A connection-level write wrapper must not prevent table opens from
-        // reusing the connection's registered object store.
-        let wrapper_calls = Arc::new(AtomicUsize::new(0));
-        db.store_wrapper = Some(Arc::new(PassthroughStoreWrapper(wrapper_calls.clone())));

        let schema = Arc::new(Schema::new(vec![Field::new("id", DataType::Int32, false)]));
        db.create_table(CreateTableRequest {
@@ -1606,7 +1419,6 @@ mod tests {
        .unwrap();

        let before_open = registry.stats();
-        let wrapper_calls_before_open = wrapper_calls.load(Ordering::Relaxed);
        for _ in 0..3 {
            let table = db
                .open_table(OpenTableRequest {
@@ -1626,7 +1438,6 @@ mod tests {
        let after_open = registry.stats();
        assert_eq!(after_open.misses, before_open.misses);
        assert!(after_open.hits >= before_open.hits + 3);
-        assert!(wrapper_calls.load(Ordering::Relaxed) >= wrapper_calls_before_open + 3);
    }

    /// Regression test for https://github.com/lancedb/lancedb/issues/3197.
@@ -1770,46 +1581,6 @@ mod tests {
        );
    }

-    #[tokio::test]
-    async fn test_clone_table_uses_connection_store_wrapper() {
-        let (_tempdir, mut db) = setup_database().await;
-        let schema = Arc::new(Schema::new(vec![Field::new("id", DataType::Int32, false)]));
-        db.create_table(CreateTableRequest {
-            name: "source_table".to_string(),
-            namespace_path: vec![],
-            data: Box::new(RecordBatch::new_empty(schema)) as Box<dyn Scannable>,
-            mode: CreateTableMode::Create,
-            write_options: Default::default(),
-            location: None,
-            namespace_client: None,
-        })
-        .await
-        .unwrap();
-
-        let source_uri = db.table_uri("source_table").unwrap();
-        let tracker = IoStatsHolder::default();
-        db.store_wrapper = Some(Arc::new(tracker.clone()));
-        let _ = tracker.incremental_stats();
-
-        db.clone_table(CloneTableRequest {
-            target_table_name: "cloned_table".to_string(),
-            target_namespace_path: vec![],
-            source_uri,
-            source_version: None,
-            source_tag: None,
-            is_shallow: true,
-            namespace_client: None,
-        })
-        .await
-        .unwrap();
-
-        let stats = tracker.incremental_stats();
-        assert!(
-            stats.write_iops > 0,
-            "clone bypassed the wrapper: {stats:?}"
-        );
-    }
-
    #[tokio::test]
    async fn test_clone_table_with_data() {
        let (_tempdir, db) = setup_database().await;
@@ -12,8 +12,7 @@ use lance_encoding::decoder::{DecoderPlugins, FilterExpression};
 use lance_file::{
    reader::{FileReader, FileReaderOptions},
    version::ConcreteFileVersion,
-    versions,
-    writer::FileWriterOptions,
+    writer::{FileWriter, FileWriterOptions},
 };
 use lance_io::{
    ReadBatchParams,
@@ -154,11 +153,13 @@ impl Shuffler {
                    source: None,
                })?;
            let object_writer = object_store.create(&path).await?;
-            let writer = versions::create_writer(
-                ConcreteFileVersion::V2_1,
+            let writer = FileWriter::try_new(
                object_writer,
                schema.clone(),
-                FileWriterOptions::default(),
+                FileWriterOptions {
+                    format_version: Some(ConcreteFileVersion::V2_1.into()),
+                    ..Default::default()
+                },
            )?;
            file_writers.push(writer);
        }
@@ -18,9 +18,6 @@ use async_trait::async_trait;
 #[cfg(test)]
 pub mod io_tracking;

-#[cfg(windows)]
-pub(crate) mod windows;
-
 #[derive(Debug)]
 struct MirroringObjectStore {
    primary: Arc<dyn ObjectStore>,
@@ -1,223 +0,0 @@
-// SPDX-License-Identifier: Apache-2.0
-// SPDX-FileCopyrightText: Copyright The LanceDB Authors
-
-//! Windows local filesystem compatibility for atomic manifest commits.
-
-use std::ffi::OsStr;
-use std::fmt::{Display, Formatter};
-use std::os::windows::ffi::OsStrExt;
-use std::path::{Path as StdPath, PathBuf};
-use std::sync::Arc;
-
-use bytes::Bytes;
-use futures::stream::BoxStream;
-use lance::io::WrappingObjectStore;
-use object_store::{
-    CopyOptions, Error, GetOptions, GetResult, ListResult, MultipartUpload, ObjectMeta,
-    ObjectStore, PutMultipartOptions, PutOptions, PutPayload, PutResult, RenameOptions,
-    RenameTargetMode, Result, UploadPart, path::Path,
-};
-use windows_sys::Win32::Foundation::{ERROR_ALREADY_EXISTS, ERROR_FILE_EXISTS};
-use windows_sys::Win32::Storage::FileSystem::MoveFileExW;
-
-const STORE_NAME: &str = "WindowsLocalFileSystem";
-
-/// Uses the Windows move primitive for create-only renames on local stores.
-///
-/// `object_store` implements create-only local renames with a hard link followed
-/// by a delete. Some Windows filesystems do not support hard links, but
-/// `MoveFileExW` without `MOVEFILE_REPLACE_EXISTING` provides the same atomic
-/// create-only rename semantics without requiring them.
-#[derive(Debug, Default)]
-pub struct WindowsLocalFileSystemWrapper;
-
-impl WrappingObjectStore for WindowsLocalFileSystemWrapper {
-    fn wrap(&self, _store_prefix: &str, target: Arc<dyn ObjectStore>) -> Arc<dyn ObjectStore> {
-        Arc::new(WindowsLocalFileSystem { target })
-    }
-}
-
-#[derive(Debug)]
-struct WindowsLocalFileSystem {
-    target: Arc<dyn ObjectStore>,
-}
-
-impl Display for WindowsLocalFileSystem {
-    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
-        write!(f, "{STORE_NAME}({})", self.target)
-    }
-}
-
-#[async_trait::async_trait]
-#[deny(clippy::missing_trait_methods)]
-impl ObjectStore for WindowsLocalFileSystem {
-    async fn put_opts(
-        &self,
-        location: &Path,
-        bytes: PutPayload,
-        opts: PutOptions,
-    ) -> Result<PutResult> {
-        self.target.put_opts(location, bytes, opts).await
-    }
-
-    async fn put_multipart_opts(
-        &self,
-        location: &Path,
-        opts: PutMultipartOptions,
-    ) -> Result<Box<dyn MultipartUpload>> {
-        self.target.put_multipart_opts(location, opts).await
-    }
-
-    async fn get_opts(&self, location: &Path, options: GetOptions) -> Result<GetResult> {
-        self.target.get_opts(location, options).await
-    }
-
-    async fn get_ranges(
-        &self,
-        location: &Path,
-        ranges: &[std::ops::Range<u64>],
-    ) -> Result<Vec<Bytes>> {
-        self.target.get_ranges(location, ranges).await
-    }
-
-    fn delete_stream(
-        &self,
-        locations: BoxStream<'static, Result<Path>>,
-    ) -> BoxStream<'static, Result<Path>> {
-        self.target.delete_stream(locations)
-    }
-
-    fn list(&self, prefix: Option<&Path>) -> BoxStream<'static, Result<ObjectMeta>> {
-        self.target.list(prefix)
-    }
-
-    fn list_with_offset(
-        &self,
-        prefix: Option<&Path>,
-        offset: &Path,
-    ) -> BoxStream<'static, Result<ObjectMeta>> {
-        self.target.list_with_offset(prefix, offset)
-    }
-
-    async fn list_with_delimiter(&self, prefix: Option<&Path>) -> Result<ListResult> {
-        self.target.list_with_delimiter(prefix).await
-    }
-
-    async fn copy_opts(&self, from: &Path, to: &Path, options: CopyOptions) -> Result<()> {
-        self.target.copy_opts(from, to, options).await
-    }
-
-    async fn rename_opts(&self, from: &Path, to: &Path, options: RenameOptions) -> Result<()> {
-        if options.target_mode != RenameTargetMode::Create {
-            return self.target.rename_opts(from, to, options).await;
-        }
-
-        let from = PathBuf::from(from.as_ref());
-        let to = PathBuf::from(to.as_ref());
-        tokio::task::spawn_blocking(move || move_file_if_not_exists(&from, &to))
-            .await
-            .map_err(|source| Error::Generic {
-                store: STORE_NAME,
-                source: Box::new(source),
-            })?
-    }
-}
-
-fn move_file_if_not_exists(from: &StdPath, to: &StdPath) -> Result<()> {
-    let from_wide = null_terminated_wide(from.as_os_str());
-    let to_wide = null_terminated_wide(to.as_os_str());
-
-    // SAFETY: both pointers reference null-terminated UTF-16 buffers that remain
-    // alive for the duration of this call. A zero flag value deliberately omits
-    // MOVEFILE_REPLACE_EXISTING, giving this operation create-only semantics.
-    if unsafe { MoveFileExW(from_wide.as_ptr(), to_wide.as_ptr(), 0) } != 0 {
-        return Ok(());
-    }
-
-    let source = std::io::Error::last_os_error();
-    let path = to.to_string_lossy().into_owned();
-    match source.raw_os_error().map(|code| code as u32) {
-        Some(ERROR_ALREADY_EXISTS | ERROR_FILE_EXISTS) => Err(Error::AlreadyExists {
-            path,
-            source: Box::new(source),
-        }),
-        _ if source.kind() == std::io::ErrorKind::NotFound => Err(Error::NotFound {
-            path,
-            source: Box::new(source),
-        }),
-        _ => Err(Error::Generic {
-            store: STORE_NAME,
-            source: Box::new(source),
-        }),
-    }
-}
-
-fn null_terminated_wide(value: &OsStr) -> Vec<u16> {
-    value.encode_wide().chain(Some(0)).collect()
-}
-
-#[cfg(test)]
-mod tests {
-    use object_store::memory::InMemory;
-
-    use super::*;
-
-    #[tokio::test]
-    async fn create_only_rename_does_not_use_hard_links() {
-        let tempdir = tempfile::tempdir().unwrap();
-        let source_path = tempdir.path().join("staged.manifest");
-        let destination_path = tempdir.path().join("1.manifest");
-        std::fs::write(&source_path, b"manifest").unwrap();
-
-        let source = Path::from_absolute_path(&source_path).unwrap();
-        let destination = Path::from_absolute_path(&destination_path).unwrap();
-        let store = WindowsLocalFileSystem {
-            // The source does not exist in this inner store. Delegating the
-            // rename would fail, proving the wrapper uses the native move path.
-            target: Arc::new(InMemory::new()),
-        };
-
-        store
-            .rename_opts(
-                &source,
-                &destination,
-                RenameOptions::new().with_target_mode(RenameTargetMode::Create),
-            )
-            .await
-            .unwrap();
-
-        assert!(!source_path.exists());
-        assert_eq!(std::fs::read(destination_path).unwrap(), b"manifest");
-    }
-
-    #[tokio::test]
-    async fn create_only_rename_preserves_existing_destination() {
-        let tempdir = tempfile::tempdir().unwrap();
-        let source_path = tempdir.path().join("staged.manifest");
-        let destination_path = tempdir.path().join("1.manifest");
-        std::fs::write(&source_path, b"new manifest").unwrap();
-        std::fs::write(&destination_path, b"existing manifest").unwrap();
-
-        let source = Path::from_absolute_path(&source_path).unwrap();
-        let destination = Path::from_absolute_path(&destination_path).unwrap();
-        let store = WindowsLocalFileSystem {
-            target: Arc::new(InMemory::new()),
-        };
-
-        let error = store
-            .rename_opts(
-                &source,
-                &destination,
-                RenameOptions::new().with_target_mode(RenameTargetMode::Create),
-            )
-            .await
-            .unwrap_err();
-
-        assert!(matches!(error, Error::AlreadyExists { .. }));
-        assert_eq!(std::fs::read(source_path).unwrap(), b"new manifest");
-        assert_eq!(
-            std::fs::read(destination_path).unwrap(),
-            b"existing manifest"
-        );
-    }
-}
@@ -2520,9 +2520,9 @@ impl<S: HttpSend> BaseTable for RemoteTable<S> {
        self.check_mutable().await?;

        // Map the spec onto the server's request DTO. `sharding` is internally
-        // tagged on `mode` to mirror sophon's `Sharding` enum. A null
-        // `maintained_indexes` asks the server to resolve every maintainable
-        // index at HEAD; a list is verbatim, an empty one meaning none.
+        // tagged on `mode` to mirror sophon's `Sharding` enum; `maintained_indexes`
+        // and `writer_config_defaults` are sent verbatim (an empty list means "no
+        // maintained indexes", not "default to all").
        let sharding = match &spec {
            LsmWriteSpec::Bucket {
                column,
@@ -5955,18 +5955,17 @@ mod tests {
            .await
            .unwrap();

-        // Positions are relative to the first retained token, so dropping the
-        // leading "hello" stop word does not shift the remaining tokens.
+        // Lance 10 retains original token positions after stop-word removal.
        assert_eq!(
            tokens,
            vec![
                FtsToken {
                    text: "こんにちは".to_string(),
-                    position: 0,
+                    position: 1,
                },
                FtsToken {
                    text: "世界".to_string(),
-                    position: 1,
+                    position: 2,
                },
            ]
        );
@@ -6599,7 +6598,7 @@ mod tests {
                .unwrap()
        });
        let spec = crate::table::LsmWriteSpec::unsharded()
-            .with_maintained_indexes(vec!["id_idx".to_string()])
+            .with_maintained_indexes(["id_idx"])
            .with_writer_config_defaults([("max_memtable_rows", "1000")]);
        table.set_lsm_write_spec(spec).await.unwrap();
    }
@@ -6618,29 +6617,11 @@ mod tests {
                body["sharding"],
                serde_json::json!({ "mode": "bucket", "column": "id", "num_buckets": 16 })
            );
-            // An unpinned maintained set sends null: resolve server-side.
-            assert_eq!(body["maintained_indexes"], serde_json::Value::Null);
-            http::Response::builder().status(200).body("{}").unwrap()
-        });
-        table
-            .set_lsm_write_spec(crate::table::LsmWriteSpec::bucket("id", 16))
-            .await
-            .unwrap();
-    }
-
-    /// `[]` (none) must stay distinguishable on the wire from null (all).
-    #[tokio::test]
-    async fn test_set_lsm_write_spec_no_maintained_indexes() {
-        let table = Table::new_with_handler("my_table", |request| {
-            let body = request.body().unwrap().as_bytes().unwrap();
-            let body: serde_json::Value = serde_json::from_slice(body).unwrap();
            assert_eq!(body["maintained_indexes"], serde_json::json!([]));
            http::Response::builder().status(200).body("{}").unwrap()
        });
        table
-            .set_lsm_write_spec(
-                crate::table::LsmWriteSpec::bucket("id", 16).with_maintained_indexes(Vec::new()),
-            )
+            .set_lsm_write_spec(crate::table::LsmWriteSpec::bucket("id", 16))
            .await
            .unwrap();
    }
@@ -6719,7 +6700,7 @@ mod tests {
            } => {
                assert_eq!(column, "id");
                assert_eq!(num_buckets, 4);
-                assert_eq!(maintained_indexes, Some(vec!["id_idx".to_string()]));
+                assert_eq!(maintained_indexes, vec!["id_idx".to_string()]);
                assert_eq!(
                    writer_config_defaults
                        .get("durable_write")
@@ -50,6 +50,7 @@ use crate::DistanceType;
 use crate::blob::BlobRangeRequest;
 use crate::data::scannable::{PeekedScannable, Scannable, estimate_write_partitions};
 use crate::database::Database;
+use crate::database::listing::LANCE_FILE_EXTENSION;
 use crate::database::read_freshness::TableFreshness;
 use crate::embeddings::{EmbeddingDefinition, EmbeddingRegistry, MemoryRegistry};
 use crate::error::{Error, Result};
@@ -151,6 +152,55 @@ pub(crate) fn map_namespace_lance_error(err: lance::Error, table_name: &str) ->
    }
 }

+/// Map a `lance::Error::DatasetNotFound` for the table at `uri` into a `lancedb::Error`.
+///
+/// Lance reports "there is nothing at this location" and "there is a table directory
+/// here but nothing loadable inside it" with the same error. Only the first is a
+/// `TableNotFound`: a `<name>.lance` directory left behind by an interrupted drop and
+/// re-create is still reported by `Connection::table_names`, so callers need to be able
+/// to tell "never existed" from "exists but is broken".
+///
+/// See <https://github.com/lancedb/lancedb/issues/3127>.
+async fn map_dataset_not_found(
+    uri: &str,
+    name: &str,
+    params: ReadParams,
+    err: lance::Error,
+) -> Error {
+    let name = name.to_string();
+    let source = Box::new(err);
+    if table_dir_exists(uri, params).await.unwrap_or(false) {
+        Error::TableCorrupted { name, source }
+    } else {
+        Error::TableNotFound { name, source }
+    }
+}
+
+/// Whether a table directory is present at `uri`, even though no dataset could be
+/// loaded from it.
+///
+/// This looks for a `<name>.lance` entry in the parent directory, which is exactly what
+/// `ListingDatabase::table_names` lists, so the two APIs agree on whether a table is
+/// present. Probing `uri` itself would not work: object stores have no empty
+/// directories to probe, and on a local filesystem the interesting case is precisely an
+/// empty directory.
+async fn table_dir_exists(uri: &str, params: ReadParams) -> Result<bool> {
+    let (object_store, path, _) = DatasetBuilder::from_uri(uri)
+        .with_read_params(params)
+        .build_object_store()
+        .await?;
+    // Only `*.lance` entries are ever reported as tables, so nothing else can produce
+    // the list-then-open mismatch this guards against.
+    if path.extension() != Some(LANCE_FILE_EXTENSION) {
+        return Ok(false);
+    }
+    let (Some(parent), Some(dir_name)) = (path.parent(), path.filename()) else {
+        return Ok(false);
+    };
+    let entries = object_store.read_dir(parent).await?;
+    Ok(entries.iter().any(|entry| entry.as_str() == dir_name))
+}
+
 /// Defines the type of column
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub enum ColumnKind {
@@ -320,8 +370,6 @@ pub use self::merge::MergeResult;
 /// date) and [`LsmWriteSpec::with_writer_config_defaults`] (default
 /// `ShardWriter` configuration recorded in the MemWAL index).
 ///
-/// A fresh spec maintains every index on the table, resolved on install.
-///
 /// Install a spec with [`Table::set_lsm_write_spec`] and remove it with
 /// [`Table::unset_lsm_write_spec`]. The actual `merge_insert` dispatch
 /// onto the MemWAL writer is a follow-up.
@@ -336,12 +384,9 @@ pub enum LsmWriteSpec {
    Bucket {
        column: String,
        num_buckets: u32,
-        /// Indexes the MemWAL maintains in-memory as rows are appended.
-        ///
-        /// `None` means every index it can maintain, resolved on install — a
-        /// snapshot, so indexes created later need the spec unset and re-set.
-        /// `Some([])` maintains nothing.
-        maintained_indexes: Option<Vec<String>>,
+        /// Names of indexes (already created on the table) that the
+        /// MemWAL should maintain in-memory as rows are appended.
+        maintained_indexes: Vec<String>,
        /// Default `ShardWriter` configuration recorded in the MemWAL index.
        writer_config_defaults: HashMap<String, String>,
    },
@@ -351,41 +396,35 @@ pub enum LsmWriteSpec {
    /// distinct value of `column` becomes its own shard.
    Identity {
        column: String,
-        /// Indexes the MemWAL maintains in-memory as rows are appended.
-        ///
-        /// `None` means every index it can maintain, resolved on install — a
-        /// snapshot, so indexes created later need the spec unset and re-set.
-        /// `Some([])` maintains nothing.
-        maintained_indexes: Option<Vec<String>>,
+        /// Names of indexes (already created on the table) that the
+        /// MemWAL should maintain in-memory as rows are appended.
+        maintained_indexes: Vec<String>,
        /// Default `ShardWriter` configuration recorded in the MemWAL index.
        writer_config_defaults: HashMap<String, String>,
    },
    /// No sharding — every `merge_insert` call writes to a single MemWAL shard.
    Unsharded {
-        /// Indexes the MemWAL maintains in-memory as rows are appended.
-        ///
-        /// `None` means every index it can maintain, resolved on install — a
-        /// snapshot, so indexes created later need the spec unset and re-set.
-        /// `Some([])` maintains nothing.
-        maintained_indexes: Option<Vec<String>>,
+        /// Names of indexes (already created on the table) that the
+        /// MemWAL should maintain in-memory as rows are appended.
+        maintained_indexes: Vec<String>,
        /// Default `ShardWriter` configuration recorded in the MemWAL index.
        writer_config_defaults: HashMap<String, String>,
    },
 }

 impl LsmWriteSpec {
-    /// Construct a hash-bucket sharding spec maintaining every index on the table.
+    /// Construct a hash-bucket sharding spec with no maintained indexes.
    pub fn bucket(column: impl Into<String>, num_buckets: u32) -> Self {
        Self::Bucket {
            column: column.into(),
            num_buckets,
-            maintained_indexes: None,
+            maintained_indexes: Vec::new(),
            writer_config_defaults: HashMap::new(),
        }
    }

    /// Construct an identity-sharding spec (shard by the raw value of
-    /// `column`) maintaining every index on the table.
+    /// `column`) with no maintained indexes.
    ///
    /// `column` must be a deterministic function of the unenforced primary
    /// key: every row with a given primary key must always produce the same
@@ -397,37 +436,28 @@ impl LsmWriteSpec {
    pub fn identity(column: impl Into<String>) -> Self {
        Self::Identity {
            column: column.into(),
-            maintained_indexes: None,
+            maintained_indexes: Vec::new(),
            writer_config_defaults: HashMap::new(),
        }
    }

-    /// Construct an unsharded spec maintaining every index on the table.
+    /// Construct an unsharded spec with no maintained indexes.
    pub fn unsharded() -> Self {
        Self::Unsharded {
-            maintained_indexes: None,
+            maintained_indexes: Vec::new(),
            writer_config_defaults: HashMap::new(),
        }
    }

-    /// Set which indexes the MemWAL maintains.
-    ///
-    /// `None` (the default) resolves to every index on the table at install,
-    /// failing if one cannot be maintained — name the set to install anyway. A
-    /// list is verbatim: each name must already exist and be maintainable, and
-    /// an empty list maintains nothing.
-    ///
-    /// ```
-    /// # use lancedb::table::LsmWriteSpec;
-    /// // Every index the table has when the spec is installed:
-    /// LsmWriteSpec::unsharded().with_maintained_indexes(None);
-    /// // Exactly these:
-    /// LsmWriteSpec::unsharded().with_maintained_indexes(vec!["id_idx".to_string()]);
-    /// // None at all:
-    /// LsmWriteSpec::unsharded().with_maintained_indexes(Vec::new());
-    /// ```
-    pub fn with_maintained_indexes(mut self, indexes: impl Into<Option<Vec<String>>>) -> Self {
-        let indexes = indexes.into();
+    /// Replace the list of indexes the MemWAL should keep up to date as
+    /// rows are appended. Each name must reference an index that already
+    /// exists on the table at the time `set_lsm_write_spec` is called.
+    pub fn with_maintained_indexes<I, S>(mut self, indexes: I) -> Self
+    where
+        I: IntoIterator<Item = S>,
+        S: Into<String>,
+    {
+        let v: Vec<String> = indexes.into_iter().map(Into::into).collect();
        match &mut self {
            Self::Bucket {
                maintained_indexes, ..
@@ -437,7 +467,7 @@ impl LsmWriteSpec {
            }
            | Self::Unsharded {
                maintained_indexes, ..
-            } => *maintained_indexes = indexes,
+            } => *maintained_indexes = v,
        }
        self
    }
@@ -473,9 +503,8 @@ impl LsmWriteSpec {
        self
    }

-    /// Borrow the list of index names this spec asks MemWAL to maintain, or
-    /// `None` when it asks for every index on the table.
-    pub fn maintained_indexes(&self) -> Option<&[String]> {
+    /// Borrow the list of index names this spec asks MemWAL to maintain.
+    pub fn maintained_indexes(&self) -> &[String] {
        match self {
            Self::Bucket {
                maintained_indexes, ..
@@ -485,7 +514,7 @@ impl LsmWriteSpec {
            }
            | Self::Unsharded {
                maintained_indexes, ..
-            } => maintained_indexes.as_deref(),
+            } => maintained_indexes,
        }
    }

@@ -1683,7 +1712,7 @@ impl Table {
    /// # async fn example(table: &Table) -> Result<(), Box<dyn std::error::Error>> {
    /// table
    ///     .set_lsm_write_spec(
-    ///         LsmWriteSpec::bucket("id", 16).with_maintained_indexes(vec!["id_idx".to_string()]),
+    ///         LsmWriteSpec::bucket("id", 16).with_maintained_indexes(["id_idx"]),
    ///     )
    ///     .await?;
    /// # Ok(())
@@ -1705,10 +1734,9 @@ impl Table {
    ///
    /// Returns `Ok(None)` when the MemWAL LSM write path is not enabled (no
    /// spec has been set, or it was removed with [`Table::unset_lsm_write_spec`]).
-    /// The returned spec mirrors what was passed to
-    /// [`Table::set_lsm_write_spec`], except that
-    /// [`LsmWriteSpec::maintained_indexes`] always reports the concrete list
-    /// resolved when the spec was set — `None` never round-trips.
+    /// The returned spec — including its [`LsmWriteSpec::maintained_indexes`] and
+    /// [`LsmWriteSpec::writer_config_defaults`] — mirrors what was passed to
+    /// [`Table::set_lsm_write_spec`].
    ///
    /// # Example
    ///
@@ -2335,19 +2363,10 @@ impl NativeTable {
        managed_versioning: Option<bool>,
    ) -> Result<Self> {
        let params = params.unwrap_or_default();
-        let has_caller_store_wrapper = params
-            .store_options
-            .as_ref()
-            .and_then(|options| options.object_store_wrapper.as_ref())
-            .is_some();
-        // A caller wrapper must remain outside connection-level compatibility
-        // behavior. When there is no caller wrapper, apply the compatibility
-        // layer after loading so the session's registered store can be reused.
-        let (params, wrapper_after_load) = match write_store_wrapper {
-            Some(wrapper) if has_caller_store_wrapper => {
-                (params.patch_with_store_wrapper(wrapper)?, None)
-            }
-            wrapper => (params, wrapper),
+        // patch the params if we have a write store wrapper
+        let params = match write_store_wrapper.clone() {
+            Some(wrapper) => params.patch_with_store_wrapper(wrapper)?,
+            None => params,
        };

        // Build table_id from namespace + name
@@ -2379,6 +2398,8 @@ impl NativeTable {
            None => false,
        };

+        // Kept so that a `DatasetNotFound` can be re-checked against storage below.
+        let recovery_params = params.clone();
        let mut builder = DatasetBuilder::from_uri(uri).with_read_params(params);

        // Set up commit handler when managed_versioning is enabled
@@ -2397,23 +2418,10 @@ impl NativeTable {
        let dataset = match builder.load().await {
            Ok(dataset) => dataset,
            Err(e @ lance::Error::DatasetNotFound { .. }) => {
-                // The manifest load is the existence check. A physical prefix may be
-                // from a concurrent or abandoned create, so it cannot refine this error.
-                return Err(Error::TableNotFound {
-                    name: name.to_string(),
-                    source: Box::new(e),
-                });
+                return Err(map_dataset_not_found(uri, name, recovery_params, e).await);
            }
            Err(e) => return Err(e.into()),
        };
-        // Resolve the store from the session registry before applying a
-        // connection-level write wrapper. Wrapper identity is part of the
-        // registry key, so including it in ReadParams prevents reuse when the
-        // opened table (and its wrapped store) is short-lived.
-        let dataset = match wrapper_after_load {
-            Some(wrapper) => dataset.with_object_store_wrappers([wrapper]),
-            None => dataset,
-        };

        let dataset = DatasetConsistencyWrapper::new_latest(dataset, read_consistency_interval);
        let id = Self::build_id(&namespace, name);
@@ -2515,16 +2523,11 @@ impl NativeTable {
        if let Some(sess) = session {
            params.session(sess);
        }
-        let has_caller_store_wrapper = params
-            .store_options
-            .as_ref()
-            .and_then(|options| options.object_store_wrapper.as_ref())
-            .is_some();
-        let (params, wrapper_after_load) = match write_store_wrapper {
-            Some(wrapper) if has_caller_store_wrapper => {
-                (params.patch_with_store_wrapper(wrapper)?, None)
-            }
-            wrapper => (params, wrapper),
+
+        // patch the params if we have a write store wrapper
+        let params = match write_store_wrapper.clone() {
+            Some(wrapper) => params.patch_with_store_wrapper(wrapper)?,
+            None => params,
        };

        // Build table_id from namespace + name
@@ -2548,13 +2551,6 @@ impl NativeTable {
                },
                e => e.into(),
            })?;
-        // Apply the write wrapper after the session registry has resolved the
-        // shared store. The cloned dataset retains the wrapper for subsequent
-        // reads, manifest commits, and any additional base stores.
-        let dataset = match wrapper_after_load {
-            Some(wrapper) => dataset.with_object_store_wrappers([wrapper]),
-            None => dataset,
-        };

        let uri = dataset.uri().to_string();
        let dataset = DatasetConsistencyWrapper::new_latest(dataset, read_consistency_interval);
@@ -3689,8 +3685,8 @@ pub struct FragmentSummaryStats {
 #[cfg(test)]
 #[allow(deprecated)]
 mod tests {
-    use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
-    use std::sync::{Arc, Mutex};
+    use std::sync::Arc;
+    use std::sync::atomic::{AtomicBool, Ordering};
    use std::time::Duration;

    use arrow_array::{
@@ -3772,50 +3768,73 @@ mod tests {
        );
    }

-    #[tokio::test]
-    async fn test_open_not_found_when_empty_directory_exists() {
-        let tmp_dir = tempdir().unwrap();
-        let dataset_path = tmp_dir.path().join("test.lance");
-        std::fs::create_dir(&dataset_path).unwrap();
+    /// Write a table and then break it, leaving the `<name>.lance` directory in place.
+    ///
+    /// `remove_all` reproduces an interrupted drop + re-create (the directory is left
+    /// empty); otherwise only the manifests are removed, leaving the data files behind.
+    async fn write_then_corrupt_table(dir: &std::path::Path, remove_all: bool) -> String {
+        let dataset_path = dir.join("test.lance");
+        let uri = dataset_path.to_str().unwrap().to_string();

-        let err = NativeTable::open(dataset_path.to_str().unwrap())
-            .await
-            .unwrap_err();
+        let batch = make_test_batches();
+        let reader = RecordBatchIterator::new(vec![Ok(batch.clone())], batch.schema());
+        Dataset::write(reader, &uri, None).await.unwrap();
+
+        if remove_all {
+            for entry in std::fs::read_dir(&dataset_path).unwrap() {
+                let entry = entry.unwrap();
+                if entry.file_type().unwrap().is_dir() {
+                    std::fs::remove_dir_all(entry.path()).unwrap();
+                } else {
+                    std::fs::remove_file(entry.path()).unwrap();
+                }
+            }
+            assert_eq!(std::fs::read_dir(&dataset_path).unwrap().count(), 0);
+        } else {
+            let versions = dataset_path.join("_versions");
+            assert!(versions.is_dir(), "expected manifests under {versions:?}");
+            std::fs::remove_dir_all(&versions).unwrap();
+            assert!(std::fs::read_dir(&dataset_path).unwrap().count() > 0);
+        }
+
+        uri
+    }
+
+    #[tokio::test]
+    async fn test_open_corrupt_empty_dir() {
+        let tmp_dir = tempdir().unwrap();
+        let uri = write_then_corrupt_table(tmp_dir.path(), true).await;
+
+        let err = NativeTable::open(&uri).await.unwrap_err();
        assert!(
-            matches!(&err, Error::TableNotFound { name, .. } if name == "test"),
+            matches!(&err, Error::TableCorrupted { name, .. } if name == "test"),
            "got {err:?}"
        );
    }

    #[tokio::test]
-    async fn test_open_not_found_when_only_uncommitted_storage_exists() {
+    async fn test_open_corrupt_missing_manifest() {
        let tmp_dir = tempdir().unwrap();
-        let dataset_path = tmp_dir.path().join("test.lance");
-        let data_dir = dataset_path.join("data");
-        std::fs::create_dir_all(&data_dir).unwrap();
-        std::fs::write(data_dir.join("orphan.lance"), b"uncommitted").unwrap();
+        let uri = write_then_corrupt_table(tmp_dir.path(), false).await;

-        let err = NativeTable::open(dataset_path.to_str().unwrap())
-            .await
-            .unwrap_err();
+        let err = NativeTable::open(&uri).await.unwrap_err();
        assert!(
-            matches!(&err, Error::TableNotFound { name, .. } if name == "test"),
+            matches!(&err, Error::TableCorrupted { name, .. } if name == "test"),
            "got {err:?}"
        );
    }

-    /// Listing databases discover physical `*.lance` entries. That snapshot is not an
-    /// authoritative table-existence check: only a committed manifest makes a table
-    /// openable, and the entry could also be concurrently created or dropped.
+    /// A table listed by `table_names()` must not be reported as missing by
+    /// `open_table()`. See <https://github.com/lancedb/lancedb/issues/3127>.
    #[tokio::test]
-    async fn test_table_names_may_include_uncommitted_storage() {
+    async fn test_open_table_corrupt_is_still_listed() {
        let tmp_dir = tempdir().unwrap();
        let db = connect(tmp_dir.path().to_str().unwrap())
            .execute()
            .await
            .unwrap();

-        std::fs::create_dir(tmp_dir.path().join("test.lance")).unwrap();
+        write_then_corrupt_table(tmp_dir.path(), true).await;

        assert_eq!(
            db.table_names().execute().await.unwrap(),
@@ -3823,177 +3842,12 @@ mod tests {
        );
        let err = db.open_table("test").execute().await.unwrap_err();
        assert!(
-            matches!(&err, Error::TableNotFound { name, .. } if name == "test"),
-            "physical storage without a committed manifest is not a table: {err:?}"
-        );
-    }
-
-    #[derive(Debug)]
-    struct ParentListGuardStore {
-        inner: Arc<dyn object_store::ObjectStore>,
-        parent: object_store::path::Path,
-        parent_list_calls: Arc<AtomicUsize>,
-    }
-
-    impl std::fmt::Display for ParentListGuardStore {
-        fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-            f.write_str("ParentListGuardStore")
-        }
-    }
-
-    #[async_trait::async_trait]
-    #[deny(clippy::missing_trait_methods)]
-    impl object_store::ObjectStore for ParentListGuardStore {
-        async fn put_opts(
-            &self,
-            location: &object_store::path::Path,
-            payload: object_store::PutPayload,
-            opts: object_store::PutOptions,
-        ) -> object_store::Result<object_store::PutResult> {
-            self.inner.put_opts(location, payload, opts).await
-        }
-
-        async fn put_multipart_opts(
-            &self,
-            location: &object_store::path::Path,
-            opts: object_store::PutMultipartOptions,
-        ) -> object_store::Result<Box<dyn object_store::MultipartUpload>> {
-            self.inner.put_multipart_opts(location, opts).await
-        }
-
-        async fn get_opts(
-            &self,
-            location: &object_store::path::Path,
-            options: object_store::GetOptions,
-        ) -> object_store::Result<object_store::GetResult> {
-            self.inner.get_opts(location, options).await
-        }
-
-        async fn get_ranges(
-            &self,
-            location: &object_store::path::Path,
-            ranges: &[std::ops::Range<u64>],
-        ) -> object_store::Result<Vec<bytes::Bytes>> {
-            self.inner.get_ranges(location, ranges).await
-        }
-
-        fn delete_stream(
-            &self,
-            locations: futures::stream::BoxStream<
-                'static,
-                object_store::Result<object_store::path::Path>,
-            >,
-        ) -> futures::stream::BoxStream<'static, object_store::Result<object_store::path::Path>>
-        {
-            self.inner.delete_stream(locations)
-        }
-
-        fn list(
-            &self,
-            prefix: Option<&object_store::path::Path>,
-        ) -> futures::stream::BoxStream<'static, object_store::Result<object_store::ObjectMeta>>
-        {
-            if prefix == Some(&self.parent) {
-                self.parent_list_calls.fetch_add(1, Ordering::Relaxed);
-            }
-            self.inner.list(prefix)
-        }
-
-        fn list_with_offset(
-            &self,
-            prefix: Option<&object_store::path::Path>,
-            offset: &object_store::path::Path,
-        ) -> futures::stream::BoxStream<'static, object_store::Result<object_store::ObjectMeta>>
-        {
-            if prefix == Some(&self.parent) {
-                self.parent_list_calls.fetch_add(1, Ordering::Relaxed);
-            }
-            self.inner.list_with_offset(prefix, offset)
-        }
-
-        async fn list_with_delimiter(
-            &self,
-            prefix: Option<&object_store::path::Path>,
-        ) -> object_store::Result<object_store::ListResult> {
-            if prefix == Some(&self.parent) {
-                self.parent_list_calls.fetch_add(1, Ordering::Relaxed);
-            }
-            self.inner.list_with_delimiter(prefix).await
-        }
-
-        async fn copy_opts(
-            &self,
-            from: &object_store::path::Path,
-            to: &object_store::path::Path,
-            options: object_store::CopyOptions,
-        ) -> object_store::Result<()> {
-            self.inner.copy_opts(from, to, options).await
-        }
-
-        async fn rename_opts(
-            &self,
-            from: &object_store::path::Path,
-            to: &object_store::path::Path,
-            options: object_store::RenameOptions,
-        ) -> object_store::Result<()> {
-            self.inner.rename_opts(from, to, options).await
-        }
-    }
-
-    #[derive(Debug)]
-    struct ParentListGuardWrapper {
-        parent_list_calls: Arc<AtomicUsize>,
-    }
-
-    impl WrappingObjectStore for ParentListGuardWrapper {
-        fn wrap(
-            &self,
-            _store_prefix: &str,
-            inner: Arc<dyn object_store::ObjectStore>,
-        ) -> Arc<dyn object_store::ObjectStore> {
-            Arc::new(ParentListGuardStore {
-                inner,
-                parent: object_store::path::Path::from("database"),
-                parent_list_calls: self.parent_list_calls.clone(),
-            })
-        }
-    }
-
-    #[tokio::test]
-    async fn test_open_missing_never_lists_database_parent() {
-        let parent_list_calls = Arc::new(AtomicUsize::new(0));
-        let params = ReadParams {
-            store_options: Some(ObjectStoreParams {
-                object_store_wrapper: Some(Arc::new(ParentListGuardWrapper {
-                    parent_list_calls: parent_list_calls.clone(),
-                })),
-                ..Default::default()
-            }),
-            ..Default::default()
-        };
-
-        let err = NativeTable::open_with_params(
-            "memory:///database/missing.lance",
-            "missing",
-            Vec::new(),
-            None,
-            Some(params),
-            None,
-            None,
-            HashSet::new(),
-            None,
-        )
-        .await
-        .unwrap_err();
-
-        assert!(
-            matches!(&err, Error::TableNotFound { name, .. } if name == "missing"),
+            matches!(&err, Error::TableCorrupted { name, .. } if name == "test"),
            "got {err:?}"
        );
-        assert_eq!(
-            parent_list_calls.load(Ordering::Relaxed),
-            0,
-            "opening one missing table must not enumerate sibling tables"
+        assert!(
+            err.to_string().contains("exists but could not be loaded"),
+            "got {err}"
        );
    }

@@ -4062,66 +3916,6 @@ mod tests {
        }
    }

-    #[derive(Debug)]
-    struct OrderedStoreWrapper {
-        name: &'static str,
-        order: Arc<Mutex<Vec<&'static str>>>,
-    }
-
-    impl WrappingObjectStore for OrderedStoreWrapper {
-        fn wrap(
-            &self,
-            _store_prefix: &str,
-            original: Arc<dyn object_store::ObjectStore>,
-        ) -> Arc<dyn object_store::ObjectStore> {
-            self.order.lock().unwrap().push(self.name);
-            original
-        }
-    }
-
-    #[tokio::test]
-    async fn test_open_with_params_keeps_caller_store_wrapper_outermost() {
-        let tmp_dir = tempdir().unwrap();
-        let dataset_path = tmp_dir.path().join("test.lance");
-        let uri = dataset_path.to_str().unwrap();
-        let batch = make_test_batches();
-        let reader = RecordBatchIterator::new(vec![Ok(batch.clone())], batch.schema());
-        Dataset::write(reader, uri, None).await.unwrap();
-
-        let order = Arc::new(Mutex::new(Vec::new()));
-        let caller_wrapper = Arc::new(OrderedStoreWrapper {
-            name: "caller",
-            order: order.clone(),
-        });
-        let compatibility_wrapper = Arc::new(OrderedStoreWrapper {
-            name: "compatibility",
-            order: order.clone(),
-        });
-        let params = ReadParams {
-            store_options: Some(ObjectStoreParams {
-                object_store_wrapper: Some(caller_wrapper),
-                ..Default::default()
-            }),
-            ..Default::default()
-        };
-
-        NativeTable::open_with_params(
-            uri,
-            "test",
-            vec![],
-            Some(compatibility_wrapper),
-            Some(params),
-            None,
-            None,
-            HashSet::new(),
-            None,
-        )
-        .await
-        .unwrap();
-
-        assert_eq!(*order.lock().unwrap(), vec!["compatibility", "caller"]);
-    }
-
    #[tokio::test]
    async fn test_open_table_options() {
        let tmp_dir = tempdir().unwrap();
@@ -5291,7 +5085,7 @@ mod tests {
        // Bucket spec round-trips exactly, including the routing column (recovered
        // from its field id), maintained indexes, and writer config defaults.
        let spec = LsmWriteSpec::bucket("id", 4)
-            .with_maintained_indexes(vec![idx_name.clone()])
+            .with_maintained_indexes([idx_name])
            .with_writer_config_defaults([("durable_write", "false")]);
        table.set_lsm_write_spec(spec.clone()).await.unwrap();
        assert_eq!(table.get_lsm_write_spec().await.unwrap(), Some(spec));
@@ -5301,125 +5095,15 @@ mod tests {
        assert_eq!(table.get_lsm_write_spec().await.unwrap(), None);

        // Identity sharding round-trips (column recovered from the schema).
-        // A spec left at its default maintains every index on the table, so it
-        // reads back naming the one on the table rather than as "infer".
        let spec = LsmWriteSpec::identity("region");
        table.set_lsm_write_spec(spec.clone()).await.unwrap();
-        assert_eq!(
-            table.get_lsm_write_spec().await.unwrap(),
-            Some(spec.with_maintained_indexes(vec![idx_name.clone()]))
-        );
+        assert_eq!(table.get_lsm_write_spec().await.unwrap(), Some(spec));
        table.unset_lsm_write_spec().await.unwrap();

        // Unsharded round-trips (no routing column).
        let spec = LsmWriteSpec::unsharded();
        table.set_lsm_write_spec(spec.clone()).await.unwrap();
-        assert_eq!(
-            table.get_lsm_write_spec().await.unwrap(),
-            Some(spec.with_maintained_indexes(vec![idx_name]))
-        );
-    }
-
-    /// The maintained set defaults to every index on the table, resolved at
-    /// install. An index the memtable cannot build fails the install rather
-    /// than being dropped: maintaining it would take the table offline for
-    /// writes, dropping it would hide that from the caller.
-    #[tokio::test]
-    async fn test_set_lsm_write_spec_infers_maintained_indexes() {
-        let tmp_dir = tempdir().unwrap();
-        let uri = tmp_dir.path().to_str().unwrap();
-
-        let schema = Arc::new(Schema::new(vec![
-            Field::new("id", DataType::Int64, false),
-            Field::new("tag", DataType::Utf8, true),
-        ]));
-        let batch = RecordBatch::try_new(
-            schema.clone(),
-            vec![
-                Arc::new(arrow_array::Int64Array::from(vec![1, 2, 3])),
-                Arc::new(StringArray::from(vec!["a", "b", "c"])),
-            ],
-        )
-        .unwrap();
-        let reader: Box<dyn arrow_array::RecordBatchReader + Send> =
-            Box::new(RecordBatchIterator::new(vec![Ok(batch)], schema.clone()));
-        let conn = ConnectBuilder::new(uri)
-            .read_consistency_interval(Duration::from_secs(0))
-            .execute()
-            .await
-            .unwrap();
-        let table = conn.create_table("t", reader).execute().await.unwrap();
-
-        table
-            .create_index(&["id"], Index::BTree(Default::default()))
-            .name("id_btree".to_string())
-            .execute()
-            .await
-            .unwrap();
-        table
-            .create_index(&["tag"], Index::Bitmap(Default::default()))
-            .name("tag_bitmap".to_string())
-            .execute()
-            .await
-            .unwrap();
-
-        // Explicitly naming the bitmap index fails before anything commits.
-        let err = table
-            .set_lsm_write_spec(
-                LsmWriteSpec::unsharded().with_maintained_indexes(vec!["tag_bitmap".to_string()]),
-            )
-            .await
-            .unwrap_err();
-        assert!(
-            matches!(err, Error::InvalidInput { ref message } if message.contains("tag_bitmap")),
-            "expected the bitmap index to be rejected, got {err:?}"
-        );
-        assert_eq!(table.get_lsm_write_spec().await.unwrap(), None);
-
-        // The default covers every index, so the bitmap fails it too.
-        let err = table
-            .set_lsm_write_spec(LsmWriteSpec::unsharded())
-            .await
-            .unwrap_err();
-        assert!(
-            matches!(err, Error::InvalidInput { ref message }
-                if message.contains("tag_bitmap") && message.contains("maintained_indexes")),
-            "expected the inferred set to be rejected, got {err:?}"
-        );
-        assert_eq!(table.get_lsm_write_spec().await.unwrap(), None);
-
-        // Naming the maintainable subset installs.
-        table
-            .set_lsm_write_spec(
-                LsmWriteSpec::unsharded().with_maintained_indexes(vec!["id_btree".to_string()]),
-            )
-            .await
-            .unwrap();
-        assert_eq!(
-            table
-                .get_lsm_write_spec()
-                .await
-                .unwrap()
-                .unwrap()
-                .maintained_indexes(),
-            Some(["id_btree".to_string()].as_slice())
-        );
-
-        // Opting out entirely is distinct from the default.
-        table.unset_lsm_write_spec().await.unwrap();
-        table
-            .set_lsm_write_spec(LsmWriteSpec::unsharded().with_maintained_indexes(Vec::new()))
-            .await
-            .unwrap();
-        assert_eq!(
-            table
-                .get_lsm_write_spec()
-                .await
-                .unwrap()
-                .unwrap()
-                .maintained_indexes(),
-            Some([].as_slice())
-        );
+        assert_eq!(table.get_lsm_write_spec().await.unwrap(), Some(spec));
    }

    #[tokio::test]
@@ -5523,8 +5207,8 @@ mod tests {
    pub async fn test_stats_includes_index_and_overlay_files() {
        use lance::dataset::WriteDestination;
        use lance::dataset::transaction::{DataOverlayGroup, Operation};
-        use lance_file::version::stable_file_version;
-        use lance_file::writer::FileWriterOptions;
+        use lance_file::version::{ConcreteFileVersion, LanceFileVersion};
+        use lance_file::writer::{FileWriter, FileWriterOptions};
        use lance_io::utils::CachedFileSize;
        use lance_table::format::DataFile;
        use lance_table::format::overlay::{DataOverlayFile, OverlayCoverage};
@@ -5589,17 +5273,19 @@ mod tests {
        let fragment_id = dataset.get_fragments()[0].id() as u64;
        let foo_field_id = dataset.schema().field("foo").unwrap().id;
        let overlay_schema = dataset.schema().project_by_ids(&[foo_field_id], true);
-        let file_version = stable_file_version();
+        let file_version = ConcreteFileVersion::from(LanceFileVersion::Stable);

        let filename = "overlay.lance".to_string();
        let store = dataset.object_store(None).await.unwrap();
        let path = dataset.data_dir().child(filename.clone());
        let obj_writer = store.create(&path).await.unwrap();
-        let mut writer = lance_file::versions::create_writer(
-            file_version,
+        let mut writer = FileWriter::try_new(
            obj_writer,
            overlay_schema,
-            FileWriterOptions::default(),
+            FileWriterOptions {
+                format_version: Some(file_version.into()),
+                ..Default::default()
+            },
        )
        .unwrap();
        writer
@@ -1161,7 +1161,7 @@ mod lsm_tests {
            .unwrap();
        let fts_index = table.list_indices().await.unwrap()[0].name.clone();
        table
-            .set_lsm_write_spec(LsmWriteSpec::unsharded().with_maintained_indexes(vec![fts_index]))
+            .set_lsm_write_spec(LsmWriteSpec::unsharded().with_maintained_indexes([fts_index]))
            .await
            .unwrap();

@@ -1254,7 +1254,7 @@ mod lsm_tests {
            .unwrap();
        let vec_index = table.list_indices().await.unwrap()[0].name.clone();
        table
-            .set_lsm_write_spec(LsmWriteSpec::unsharded().with_maintained_indexes(vec![vec_index]))
+            .set_lsm_write_spec(LsmWriteSpec::unsharded().with_maintained_indexes([vec_index]))
            .await
            .unwrap();

@@ -29,7 +29,6 @@ use arrow_schema::{DataType, Schema as ArrowSchema, SchemaRef};
 use lance::Dataset;
 use lance::dataset::mem_wal::{
    DatasetMemWalExt, ShardWriter, ShardWriterConfig, evaluate_sharding_spec,
-    validate_maintained_indexes,
 };
 use lance::index::DatasetIndexExt;
 use lance_core::datatypes::Schema as LanceSchema;
@@ -38,9 +37,8 @@ use tokio::sync::RwLock;
 use uuid::Uuid;

 use crate::error::{Error, Result};
-use crate::index::IndexConfig;
 use crate::table::merge::{MergeInsertBuilder, MergeResult};
-use crate::table::{BaseTable, LsmWriteSpec, NativeTable};
+use crate::table::{LsmWriteSpec, NativeTable};

 /// Spec id of the sole sharding spec installed by [`set_lsm_write_spec`].
 /// Must match Lance's `InitializeMemWalBuilder` (`SHARDING_SPEC_ID`).
@@ -82,44 +80,32 @@ pub(crate) async fn set_lsm_write_spec(table: &NativeTable, spec: LsmWriteSpec)
        }
    }

-    // Before the builder borrows the dataset clone. `list_indices` merges an
-    // index's segments into one entry, so the result needs no dedup.
-    let maintained_indexes = {
-        let dataset = table.dataset.get().await?;
-        resolve_maintained_indexes(
-            &dataset,
-            &table.list_indices().await?,
-            spec.maintained_indexes(),
-        )
-        .await?
-    };
-
    let mut dataset = (*table.dataset.get().await?).clone();
    let mut builder = dataset.initialize_mem_wal();
-    let writer_config_defaults = match spec {
+    let (maintained_indexes, writer_config_defaults) = match spec {
        LsmWriteSpec::Bucket {
            column,
            num_buckets,
+            maintained_indexes,
            writer_config_defaults,
-            ..
        } => {
            builder = builder.bucket_sharding(column, num_buckets);
-            writer_config_defaults
+            (maintained_indexes, writer_config_defaults)
        }
        LsmWriteSpec::Identity {
            column,
+            maintained_indexes,
            writer_config_defaults,
-            ..
        } => {
            builder = builder.identity_sharding(column);
-            writer_config_defaults
+            (maintained_indexes, writer_config_defaults)
        }
        LsmWriteSpec::Unsharded {
+            maintained_indexes,
            writer_config_defaults,
-            ..
        } => {
            builder = builder.unsharded();
-            writer_config_defaults
+            (maintained_indexes, writer_config_defaults)
        }
    };
    builder = builder.maintained_indexes(maintained_indexes);
@@ -131,58 +117,6 @@ pub(crate) async fn set_lsm_write_spec(table: &NativeTable, spec: LsmWriteSpec)
    Ok(())
 }

-/// Resolve a spec's maintained-index selection against `indices`, as reported
-/// by [`Table::list_indices`](crate::Table::list_indices).
-///
-/// `None` means every index on the table, snapshotted now. Lance validates
-/// either selection against its shard-writer rules, so a spec that installs is
-/// one the MemWAL can open.
-///
-/// An unmaintainable index fails an inferred set rather than being dropped from
-/// it — dropping would leave the caller believing it is maintained.
-async fn resolve_maintained_indexes(
-    dataset: &Dataset,
-    indices: &[IndexConfig],
-    requested: Option<&[String]>,
-) -> Result<Vec<String>> {
-    let Some(requested) = requested else {
-        let all: Vec<String> = indices.iter().map(|index| index.name.clone()).collect();
-        validate_maintained_indexes(dataset, &all)
-            .await
-            .map_err(|source| Error::InvalidInput {
-                message: format!(
-                    "cannot maintain every index on this table: {source}. Set \
-                     maintained_indexes explicitly to choose from {}",
-                    index_name_list(indices),
-                ),
-            })?;
-        return Ok(all);
-    };
-    for name in requested {
-        if !indices.iter().any(|index| &index.name == name) {
-            return Err(Error::InvalidInput {
-                message: format!(
-                    "maintained index '{}' does not exist on this table; it has {}",
-                    name,
-                    index_name_list(indices),
-                ),
-            });
-        }
-    }
-    validate_maintained_indexes(dataset, requested).await?;
-    Ok(requested.to_vec())
-}
-
-/// Index names for an error message.
-fn index_name_list(indices: &[IndexConfig]) -> String {
-    if indices.is_empty() {
-        return "no indexes".to_string();
-    }
-    let mut names: Vec<&str> = indices.iter().map(|index| index.name.as_str()).collect();
-    names.sort_unstable();
-    format!("[{}]", names.join(", "))
-}
-
 // =============================================================================
 // unset_lsm_write_spec
 // =============================================================================
@@ -14,7 +14,6 @@ use lance::arrow::json::JsonDataType;
 use lance::dataset::{ReadParams, WriteParams};
 use lance::index::vector::utils::infer_vector_dim;
 use lance::io::{ObjectStoreParams, WrappingObjectStore};
-use lance_io::object_store::ChainedWrappingObjectStore;
 use std::pin::Pin;

 use crate::error::{Error, Result};
@@ -38,13 +37,13 @@ impl PatchStoreParam for Option<ObjectStoreParams> {
        wrapper: Arc<dyn WrappingObjectStore>,
    ) -> Result<Option<ObjectStoreParams>> {
        let mut params = self.unwrap_or_default();
-        params.object_store_wrapper = Some(match params.object_store_wrapper.take() {
-            // The wrapper being patched in is connection-level compatibility
-            // behavior. Keep it closest to the target store so an existing
-            // caller wrapper remains outermost and can observe every operation.
-            Some(existing) => Arc::new(ChainedWrappingObjectStore::new(vec![wrapper, existing])),
-            None => wrapper,
-        });
+        if params.object_store_wrapper.is_some() {
+            return Err(Error::Other {
+                message: "can not patch param because object store is already set".into(),
+                source: None,
+            });
+        }
+        params.object_store_wrapper = Some(wrapper);

        Ok(Some(params))
    }
@@ -473,60 +472,14 @@ impl Stream for MaxBatchLengthStream {

 #[cfg(test)]
 mod tests {
-    use std::sync::Mutex;
-
    use arrow_array::Int32Array;
    use arrow_schema::Field;
    use datafusion_physical_plan::stream::RecordBatchStreamAdapter;
    use futures::{StreamExt, stream};
-    use object_store::{ObjectStore, memory::InMemory};
    use tokio::time::sleep;

    use super::*;

-    #[derive(Debug)]
-    struct OrderedStoreWrapper {
-        name: &'static str,
-        order: Arc<Mutex<Vec<&'static str>>>,
-    }
-
-    impl WrappingObjectStore for OrderedStoreWrapper {
-        fn wrap(
-            &self,
-            _store_prefix: &str,
-            original: Arc<dyn ObjectStore>,
-        ) -> Arc<dyn ObjectStore> {
-            self.order.lock().unwrap().push(self.name);
-            original
-        }
-    }
-
-    #[test]
-    fn test_patch_store_param_keeps_caller_wrapper_outermost() {
-        let order = Arc::new(Mutex::new(Vec::new()));
-        let params = Some(ObjectStoreParams {
-            object_store_wrapper: Some(Arc::new(OrderedStoreWrapper {
-                name: "caller",
-                order: order.clone(),
-            })),
-            ..Default::default()
-        });
-
-        let params = params
-            .patch_with_store_wrapper(Arc::new(OrderedStoreWrapper {
-                name: "compatibility",
-                order: order.clone(),
-            }))
-            .unwrap()
-            .unwrap();
-        params
-            .object_store_wrapper
-            .unwrap()
-            .wrap("memory", Arc::new(InMemory::new()) as Arc<dyn ObjectStore>);
-
-        assert_eq!(*order.lock().unwrap(), vec!["compatibility", "caller"]);
-    }
-
    #[test]
    fn test_guess_default_column() {
        let schema_no_vector = Schema::new(vec![
@@ -10,7 +10,7 @@ use arrow_array::{
 use arrow_schema::{DataType, Field, Fields, Schema};
 use futures::TryStreamExt;
 use lance::Dataset;
-use lance_file::version::{ConcreteFileVersion, LanceFileVersion};
+use lance_file::version::LanceFileVersion;
 use lancedb::{
    Connection, Error, Result, Table,
    blob::{BlobRangeRequest, blob},
@@ -61,7 +61,7 @@ async fn create_inline_blob_table(
    Ok(table)
 }

-async fn storage_format_version(table: &Table) -> ConcreteFileVersion {
+async fn storage_format_version(table: &Table) -> LanceFileVersion {
    table
        .as_native()
        .unwrap()
@@ -69,14 +69,9 @@ async fn storage_format_version(table: &Table) -> ConcreteFileVersion {
        .await
        .unwrap()
        .data_storage_format
-        .lance_file_format()
-}
-
-fn supports_blob_v2(version: ConcreteFileVersion) -> bool {
-    matches!(
-        version,
-        ConcreteFileVersion::V2_2 | ConcreteFileVersion::V2_3
-    )
+        .lance_file_version()
+        .unwrap()
+        .resolve()
 }

 async fn uses_stable_row_ids(table: &Table) -> bool {
@@ -117,7 +112,7 @@ async fn declaring_blob_column_bumps_format_and_enables_stable_row_ids() -> Resu
        .execute()
        .await?;

-    assert!(supports_blob_v2(storage_format_version(&table).await));
+    assert!(storage_format_version(&table).await >= LanceFileVersion::V2_2);
    assert!(uses_stable_row_ids(&table).await);
    Ok(())
 }
@@ -132,7 +127,7 @@ async fn explicit_stable_row_id_setting_wins_over_blob_default() -> Result<()> {
        .execute()
        .await?;

-    assert!(supports_blob_v2(storage_format_version(&table).await));
+    assert!(storage_format_version(&table).await >= LanceFileVersion::V2_2);
    assert!(!uses_stable_row_ids(&table).await);
    Ok(())
 }
@@ -144,7 +139,7 @@ async fn non_blob_table_keeps_default_format_and_row_id_setting() -> Result<()>
    let schema = Arc::new(Schema::new(vec![Field::new("id", DataType::Int64, false)]));
    let table = db.create_empty_table("t", schema).execute().await?;

-    assert!(!supports_blob_v2(storage_format_version(&table).await));
+    assert!(storage_format_version(&table).await < LanceFileVersion::V2_2);
    assert!(!uses_stable_row_ids(&table).await);
    Ok(())
 }
@@ -176,7 +171,7 @@ async fn creating_with_blob_data_bumps_format() -> Result<()> {
    .unwrap();
    let table = db.create_table("t", batch).execute().await?;

-    assert!(supports_blob_v2(storage_format_version(&table).await));
+    assert!(storage_format_version(&table).await >= LanceFileVersion::V2_2);
    assert!(uses_stable_row_ids(&table).await);
    assert_eq!(table.count_rows(None).await?, 1);
    Ok(())
@@ -286,7 +281,7 @@ async fn connection_level_stable_row_id_setting_wins_over_blob_default() -> Resu
        .execute()
        .await?;

-    assert!(supports_blob_v2(storage_format_version(&table).await));
+    assert!(storage_format_version(&table).await >= LanceFileVersion::V2_2);
    assert!(!uses_stable_row_ids(&table).await);
    Ok(())
 }
@@ -302,7 +297,7 @@ async fn namespace_create_applies_blob_defaults() -> Result<()> {
        .execute()
        .await?;

-    assert!(supports_blob_v2(storage_format_version(&table).await));
+    assert!(storage_format_version(&table).await >= LanceFileVersion::V2_2);
    assert!(uses_stable_row_ids(&table).await);
    Ok(())
 }
@@ -479,7 +474,7 @@ async fn fetch_blobs_round_trips_nested_blob_column() -> Result<()> {
    let batch = RecordBatch::try_new(schema, vec![Arc::new(info_array) as ArrayRef]).unwrap();
    let table = db.create_table("t", batch).execute().await?;

-    assert!(supports_blob_v2(storage_format_version(&table).await));
+    assert!(storage_format_version(&table).await >= LanceFileVersion::V2_2);
    assert!(uses_stable_row_ids(&table).await);

    let ids = collect_row_ids(&table).await?;
@@ -1310,7 +1305,7 @@ async fn optimize_preserves_blob_v2_null_and_empty_distinction() -> Result<()> {
        .await?;
    table.add(null_empty_input_batch()).execute().await?;
    assert!(
-        supports_blob_v2(storage_format_version(&table).await),
+        storage_format_version(&table).await >= LanceFileVersion::V2_2,
        "blob v2 columns require storage >= 2.2"
    );
Author	SHA1	Message	Date
Lance Release	b89f87f206	Bump version: 0.37.1-beta.3 → 0.37.1	2026-08-10 07:54:42 +00:00
Lance Release	a022d3bcb3	Bump version: 0.37.1-beta.2 → 0.37.1-beta.3	2026-08-10 07:53:53 +00:00
Lance Release	8268532d64	Bump version: 0.37.1-beta.1 → 0.37.1-beta.2	2026-08-10 06:30:45 +00:00
Xuanwo	f933ef9b21	fix(ci): tag releases after updating lockfiles	2026-08-10 14:23:41 +08:00
Xuanwo	e885e5dd00	fix(ci): validate stable Lance dependencies	2026-08-10 14:23:33 +08:00
Xuanwo	7c7efa9743	feat: update lance dependency to v10.0.0	2026-08-10 14:23:29 +08:00