Commit Graph

2619 Commits

Author SHA1 Message Date
Jack Ye
8373318e89 feat: support FM-Index scalar index for substring search (#3532)
Adds an FM-Index — a scalar index over string and binary columns that
accelerates substring search (`contains(col, 'needle')`), distinct from
the tokenized `FTS` index — across the Rust core and the Python and
TypeScript bindings.

## Rust

- `Index::Fm(FmIndexBuilder)` and `IndexType::Fm`.
- `make_index_params` maps `Index::Fm` to Lance's
`ScalarIndexParams::for_builtin(BuiltinIndexType::Fm)`.
- `supported_fm_data_type` validates
`Utf8`/`LargeUtf8`/`Binary`/`LargeBinary` columns.
- `list_indices` round-trips the type (`"Fm"` → `IndexType::Fm`); the
remote wire type is `"FM"`.

## Python

Adds `lancedb.index.Fm`, accepted by `create_index`:

```python
from lancedb.index import Fm

await tbl.create_index("text", config=Fm())
```

## TypeScript

Adds the `Index.fm()` factory:

```ts
await tbl.createIndex("text", { config: Index.fm() });
```
2026-06-10 12:28:20 -07:00
LanceDB Robot
8308cca05e chore: update lance dependency to v8.0.0-beta.9 (#3527)
Updates Lance dependencies to v8.0.0-beta.9. Includes the required Rust
compatibility fix for Lance's updated vector index UUID API. Triggering
tag: https://github.com/lancedb/lance/releases/tag/v8.0.0-beta.9
2026-06-10 10:10:11 -07:00
Xuanwo
566b67a634 fix: support LargeList label list indexes (#3529)
## Summary

This PR extends nested-field regression coverage across Rust
local/remote, Python sync/async, and Node so canonical escaped paths
stay consistent across scalar, vector, and FTS index lifecycle behavior.

It also aligns LanceDB's LabelList type gate with Lance by accepting
`LargeList<primitive>` columns while keeping `List<Struct<...>>`
unsupported until Lance defines stable membership semantics for struct
labels.

Part of #3406.
2026-06-10 23:53:56 +08:00
nuthalapativarun
9c12fb6437 fix(nodejs): treat NAPI_RS_FORCE_WASI as truthy only when set to 'true' (#3519)
## Summary

Fixes the `NAPI_RS_FORCE_WASI=false` issue by upgrading `@napi-rs/cli`
from `3.5.1` to `3.7.0`.

Closes #3267

## Root Cause

In the `native.js` loader generated by `napi build`, the check was:

```js
if (!nativeBinding || process.env.NAPI_RS_FORCE_WASI) {
```

In JavaScript, any non-empty string is truthy, so
`NAPI_RS_FORCE_WASI=false` (a non-empty string) inadvertently triggered
the WASI fallback path. This caused an `ENOENT` error when
`lancedb.wasi.cjs` was not present.

## Fix

`@napi-rs/cli@3.7.0`
([napi-rs/napi-rs#3236](https://github.com/napi-rs/napi-rs/pull/3236))
introduced a tri-state check in the template that generates `native.js`:

**Before (generated by @napi-rs/cli@3.5.1):**
```js
if (!nativeBinding || process.env.NAPI_RS_FORCE_WASI) {
```

**After (generated by @napi-rs/cli@3.7.0):**
```js
const forceWasi =
  process.env.NAPI_RS_FORCE_WASI === 'true' || process.env.NAPI_RS_FORCE_WASI === 'error'

if (!nativeBinding || forceWasi) {
```

Only the literal string `'true'` (or `'error'` for strict mode) now
activates the WASI path. All other values, including `'false'`, `'0'`,
or an unset variable, behave as if WASI is not forced.

## Changes

- `nodejs/package.json`: bump `@napi-rs/cli` from `3.5.1` to `3.7.0`
- `nodejs/package-lock.json` / `nodejs/pnpm-lock.yaml`: update lock
files to match

The fix is in the upstream napi-rs tool; the generated `native.js` is
not committed to this repository and is produced at build time by `napi
build`.
2026-06-09 15:59:30 -07:00
devteamaegis
f260d3bf12 fix(util): convert numpy scalars in value_to_sql (#3522)
## What's broken

`Table.update(values={...})` raises `NotImplementedError: SQL conversion
is not implemented for this type` when a value is a numpy scalar such as
`np.int64`, `np.int32`, `np.float32`, or `np.bool_`. These arise
naturally from indexing an ndarray or a pandas int/bool column.
`np.float64` happens to work (it subclasses `float`), which makes the
failure inconsistent and surprising.

```python
df = pd.DataFrame({"id": np.array([10, 20], dtype="int32")})
t.update(where="id = 1", values={"id": df["id"].iloc[0]})   # np.int32
# -> NotImplementedError: SQL conversion is not implemented for this type
```

## Why it happens

`value_to_sql` is a `singledispatch` with handlers only for native
Python types and `np.ndarray`; numpy `integer`/`floating`/`bool_`
scalars aren't Python subclasses, so they fall through to the
`NotImplementedError` base.

## Fix

Register handlers for `np.bool_`, `np.integer`, and `np.floating` that
delegate to the existing native handlers.

## Test

`value_to_sql` on `np.int32/int64/float32/float64/bool_` all convert;
`np.int32` raised before.

Co-authored-by: Ishaan Samantray <ishaansamantray@Ishaans-MacBook-Pro.local>
2026-06-09 15:57:02 -07:00
Brendan Clement
d9018067b3 feat: support checking out a version on a branch (#3504)
### Description

Stacked on #3490. Adds an optional version to branch checkout across the
Rust core and the Python and TypeScript SDKs, so you can open a specific
version on a branch ("version V of branch B"), not just the branch's
latest version

Rust

```rust
// Open version 3 of branch "exp" (a read-only view): check out from an
// existing table, or open it directly from the connection.
let exp_v3 = table.checkout_branch("exp", Some(3)).await?;
let exp_v3 = db.open_table("items").branch("exp").version(3).execute().await?;
// checkout_latest re-attaches to the branch's writable HEAD.
exp_v3.checkout_latest().await?;

// With no branch, a version opens main at that version.
let main_v3 = db.open_table("items").version(3).execute().await?;
```

Python

```python
# Open version 3 of branch "exp" (a read-only view): check out from an
# existing table, or open it directly from the connection.
branch_v3 = await table.branches.checkout("exp", version=3)
branch_v3 = await db.open_table("items", branch="exp", version=3)
# checkout_latest re-attaches to the branch's writable HEAD.
await branch_v3.checkout_latest()

# With no branch, a version opens main at that version.
main_v3 = await db.open_table("items", version=3)
```

TypeScript

```typescript
// Open version 3 of branch "exp" (a read-only view): check out from an
// existing table, or open it directly from the connection.
const branchV3 = await (await table.branches()).checkout("exp", 3);
const opened = await db.openTable("items", undefined, { branch: "exp", version: 3 });
// checkoutLatest re-attaches to the branch's writable HEAD.
await branchV3.checkoutLatest();

// With no branch, a version opens main at that version.
const mainV3 = await db.openTable("items", undefined, { version: 3 });
```

### Testing
- Added unit tests (Rust, Python sync + async, TypeScript):
branch-scoped resolution at a version number shared with `main` and with
another branch, read-only enforcement on a pinned handle,
`checkout_latest` recovery to the branch's HEAD, fork-point reads, and
the nonexistent-version/branch error paths.
- Ran smoke tests against the Python and TypeScript SDKs on local
machine.
2026-06-08 17:36:38 -07:00
Brendan Clement
53517b3aaa feat: add table branch support (#3490)
### Description

Adds first-class support for table branches across the Rust core and the
Python and TypeScript SDKs.

Rust

```rust
use lance::dataset::refs::Ref;

// Create a branch from main and write to it — main is untouched.
let exp = table.create_branch("exp", Ref::Version(None, None)).await?;
exp.add(batches).await?;

// Reopen the branch later: check out from a table, or open it directly.
let exp = table.checkout_branch("exp").await?;
let exp = db.open_table("items").branch("exp").execute().await?;

let branches = table.list_branches().await?;
table.delete_branch("exp").await?;
```

Python

```python
# Create a branch from main and write to it
branch = await table.branches.create("exp", from_ref="main")
await branch.add(data)

# Reopen the branch later: check out from a table, or open it directly.
branch = await table.branches.checkout("exp")
branch = await db.open_table("items", branch="exp")

await table.branches.list()
await table.branches.delete("exp")
```

TypeScript

```typescript
const branches = await table.branches();

// Create a branch from main and write to it
const branch = await branches.create("exp");
await branch.add(data);

// Reopen the branch later: check out from a table, or open it directly.
const checkedOut = await branches.checkout("exp");
const opened = await db.openTable("items", undefined, { branch: "exp" });

await branches.list();
await branches.delete("exp");
```

### Testing
- Added unit tests
- ran smoke tests against python and typescript sdks on local machine


### Next steps
- Add RemoteTable support
- Add Branch Comparison support
- Merge Branching support
2026-06-08 16:26:46 -07:00
Yang Cen
3e25f584eb fix(python): push down namespace full reads (#3516)
## Bug Fix

### What is the bug?

Namespace-backed `LanceTable.to_arrow()` full-table reads bypassed the
existing `QueryTable` server-side query path and called the lower-level
table `to_arrow()` implementation directly. In Geneva/Sophon this could
fail while parsing the Arrow IPC response for
`hist.get_table().to_arrow()` / `to_pandas()`, even though
`hist.get_table().search().to_arrow()` worked.

### What issues or incorrect behavior does the bug cause?

Full-table reads on namespace-backed tables with `QueryTable` pushdown
could fail with Arrow IPC parse errors, while query/search reads on the
same table succeeded. Since `to_pandas()` delegates through `to_arrow()`
for non-blob/native cases, pandas export was affected too.

### How does this PR fix the problem?

When `QueryTable` pushdown is enabled, sync and async table `to_arrow()`
now construct a plain no-filter, no-limit, all-columns query and execute
it through the table-level `_execute_query()` path. `AsyncTable` now
preserves namespace context from async namespace connections so async
full reads can make the same pushdown decision. Non-namespace tables and
namespace tables without `QueryTable` pushdown keep their existing
behavior.

### Tests

- `uv run --extra tests --extra dev --no-sync ruff check
python/lancedb/table.py python/lancedb/namespace.py
python/tests/test_namespace.py`
- `uv run --extra tests --extra dev --no-sync ruff format
python/lancedb/table.py python/lancedb/namespace.py
python/tests/test_namespace.py`
- `uv run --extra tests --extra dev --no-sync pytest
python/tests/test_namespace.py::TestPushdownOperations::test_lance_table_to_arrow_uses_query_pushdown
python/tests/test_namespace.py::TestAsyncPushdownOperations::test_async_table_to_arrow_uses_query_pushdown
python/tests/test_namespace.py::test_local_table_to_arrow_and_to_pandas_are_unchanged
-q`
- `uv run --extra tests --extra dev --no-sync pytest
python/tests/test_namespace.py -q`
2026-06-08 19:48:40 +08:00
LanceDB Robot
59fbfd4158 chore: update lance dependency to v8.0.0-beta.6 (#3510)
Updates LanceDB Lance dependencies from v8.0.0-beta.5 to v8.0.0-beta.6
and refreshes Cargo metadata.

No compatibility fixes were required; Java lance-core was bumped to
8.0.0-beta.6 as well.

Lance tag:
https://github.com/lance-format/lance/releases/tag/v8.0.0-beta.6
2026-06-05 16:55:16 -07:00
LanceDB Robot
f37e698e2f chore: update lance dependency to v8.0.0-beta.5 (#3508)
Updates Lance dependencies from v8.0.0-beta.4 to v8.0.0-beta.5 across
the Rust workspace and Java lance-core version.

No compatibility code changes were required; clippy and rustfmt pass
after installing the missing runner components.

Lance tag:
https://github.com/lance-format/lance/releases/tag/v8.0.0-beta.5
2026-06-05 12:20:08 -05:00
Will Jones
09b1bbc12a refactor!: drop unused loss field from IndexStatistics (#3496)
BREAKING CHANGE: direct Rust users lose the `IndexStatistics::loss`
field. Python and Node.js consumers are unaffected in practice for
remote tables (the value was always `None`/absent), but the attribute is
gone for local tables too.

`IndexStatistics::loss` was local-only — LanceDB Cloud never returned
it, so
`RemoteTable::index_stats` always set `loss: None`. It's vestigial; this
removes it.

- Remove `loss` from `IndexStatistics` and the internal `IndexMetadata`
in `rust/lancedb/src/index.rs`, plus the summing logic in
`NativeTable::index_stats`.
- Drop `loss` from the Python and Node.js bindings (and their
tests/docs).

Fixes #3493

🤖 Generated with [Claude Code](https://claude.com/claude-code)

---------

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-05 07:52:40 -07:00
LanceDB Robot
c484b24e51 chore: update lance dependency to v8.0.0-beta.4 (#3507)
Updates LanceDB Lance dependencies to Lance v8.0.0-beta.4.

Includes the required compatibility fix for the new Lance file writer
finish summary API.

Lance tag:
https://github.com/lance-format/lance/releases/tag/v8.0.0-beta.4
2026-06-05 08:28:14 -05:00
Armaan Sandhu
3868965413 fix(python): run AsyncTable.search embeddings on a dedicated executor (#3459)
## Summary
  
`AsyncTable.search()` computes the query embedding with
`loop.run_in_executor(None, ...)`, which uses asyncio's **default**
`ThreadPoolExecutor`. That pool is shared with all other
`run_in_executor(None, ...)` work, so a slow embedding call — a heavy
local model or an HTTP request to an embeddings API — ties up those
threads and starves unrelated async I/O under concurrent load.
  
This moves the (potentially blocking) embedding call onto a **dedicated
executor**, isolating it from the default pool.
  
  Closes #3310.
  
  ## Problem

  `python/lancedb/table.py`, `AsyncTable.search()`:

  ```python
  return (
      await loop.run_in_executor(
None, # asyncio's default executor, shared with other blocking I/O
          embedding.function.compute_query_embeddings_with_retry,
          query,
      )   
  )[0]
  ```
  
Under load, concurrent searches whose embeddings block (or any other
code using the default executor) contend for the same small thread pool.
  
  ## Change

- Add a dedicated
`ThreadPoolExecutor(thread_name_prefix="lancedb-embedding")` in
`background_loop.py`, exposed via `embedding_executor()`.
- Use it in `AsyncTable.search()`'s `make_embedding` instead of the
default executor.
- Reset the executor in the existing `_reset_after_fork` hook — its
worker threads don't survive `fork()`, same as the background event
loop. It's recreated lazily, so this is cheap.

  ## Design notes
  
The issue asked whether maintainers preferred a configurable executor, a
dedicated internal one, or another approach (no response in the thread).
I went with a **dedicated internal executor**: it fixes the starvation
with no public API change and stays consistent with the existing `LOOP`
singleton. Making the pool size configurable would be an easy follow-up
if preferred.
  
Scope is limited to `search()`. The broader "embedding functions need
real async support" (including `add()`) is tracked separately in #3268.
  
  ## Testing
  
- Added `test_async_search_runs_embedding_on_dedicated_executor`:
patches the embedding function to record the executing thread during an
async search and asserts it runs on a `lancedb-embedding` thread.
Verified it **fails** against the previous `run_in_executor(None, ...)`
and passes with the fix.
- `ruff format`, `ruff check`, and `pyright` pass on the changed files.
2026-06-04 21:57:16 -07:00
Dan Rammer
c13ebc6796 feat(remote): implement set/unset_lsm_write_spec REST variant (#3501)
## Summary

Wires `RemoteTable::set_lsm_write_spec` / `unset_lsm_write_spec` to the
sophon REST endpoints added in
[lancedb/sophon#6181](https://github.com/lancedb/sophon/pull/6181),
replacing the previous `NotSupported` stubs.

- `set_lsm_write_spec` maps the `LsmWriteSpec` onto sophon's request DTO
— mode-tagged `sharding` (`unsharded` / `bucket` / `identity`),
`maintained_indexes`, and `writer_config_defaults` — and POSTs to
`/v1/table/{name}/set_lsm_write_spec/`.
- `unset_lsm_write_spec` POSTs to
`/v1/table/{name}/unset_lsm_write_spec/`.
- Both call `check_mutable` first, matching the other remote mutations.
- `maintained_indexes` is sent verbatim (an empty list means "no
maintained indexes", matching native semantics).

## Testing

- Added mocked-endpoint unit tests for unsharded / bucket / identity set
and for unset.
- `cargo check --features remote --tests` passes.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-04 21:47:52 -05:00
LanceDB Robot
4b287fd9c4 chore: update lance dependency to v8.0.0-beta.2 (#3500)
Updates Lance dependencies to v8.0.0-beta.2 across the Rust workspace
and Java lance-core metadata.

The update was generated with ci/update_lance_dependency.py and required
no compatibility code changes.

Lance tag:
https://github.com/lance-format/lance/releases/tag/v8.0.0-beta.2

##  Merge blocker: legal review required

This bump pulls in a new transitive **dev/profiling** dependency chain
`inferno v0.11.21` → `pprof v0.15.0` → `lance-testing`, and `inferno` is
licensed **CDDL-1.0** (copyleft). To get `cargo-deny` green, `CDDL-1.0`
was added to the `deny.toml` allow list.

**Do not merge until legal has reviewed and signed off on allowing
CDDL-1.0.** The dependency is dev/test-only and not distributed, but the
allow-list addition still requires legal approval per our policy.

---------

Co-authored-by: Daniel Rammer <hamersaw@protonmail.com>
Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-04 12:26:04 -05:00
hashwnath
64194ea8ad fix(python): make LanceDBClientError pickleable (#3470)
## Summary

- Add `__reduce__` methods to `LanceDBClientError` and `RetryError` so
that instances can be pickled and unpickled correctly
- `HttpError` inherits the fix from `LanceDBClientError` since it has no
additional `__init__` parameters
- Add tests verifying pickle roundtrip for all three exception classes

Fixes #3447

## Test plan

- [x] Verified pickle roundtrip for `LanceDBClientError` with and
without `status_code`
- [x] Verified pickle roundtrip for `HttpError` (subclass, no extra init
params)
- [x] Verified pickle roundtrip for `RetryError` (subclass with many
extra params)
- [ ] CI tests pass

🤖 Generated with [Claude Code](https://claude.com/claude-code)

---------

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Co-authored-by: Will Jones <willjones127@gmail.com>
2026-06-04 09:29:15 -07:00
dependabot[bot]
e6c5de1a58 chore(deps): bump the rust-minor-patch group with 3 updates (#3499)
Bumps the rust-minor-patch group with 3 updates:
[log](https://github.com/rust-lang/log),
[test-log](https://github.com/d-e-s-o/test-log) and
[serial_test](https://github.com/palfrey/serial_test).

Updates `log` from 0.4.30 to 0.4.31
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/rust-lang/log/releases">log's
releases</a>.</em></p>
<blockquote>
<h2>0.4.31</h2>
<h2>What's Changed</h2>
<ul>
<li>fix typos in kv compile errors and log documentation by <a
href="https://github.com/Isvane"><code>@​Isvane</code></a> in <a
href="https://redirect.github.com/rust-lang/log/pull/726">rust-lang/log#726</a></li>
<li>Leverage static str key when possible by <a
href="https://github.com/tisonkun"><code>@​tisonkun</code></a> in <a
href="https://redirect.github.com/rust-lang/log/pull/727">rust-lang/log#727</a></li>
<li>Prepare for 0.4.31 release by <a
href="https://github.com/KodrAus"><code>@​KodrAus</code></a> in <a
href="https://redirect.github.com/rust-lang/log/pull/728">rust-lang/log#728</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/Isvane"><code>@​Isvane</code></a> made
their first contribution in <a
href="https://redirect.github.com/rust-lang/log/pull/726">rust-lang/log#726</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/rust-lang/log/compare/0.4.30...0.4.31">https://github.com/rust-lang/log/compare/0.4.30...0.4.31</a></p>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/rust-lang/log/blob/master/CHANGELOG.md">log's
changelog</a>.</em></p>
<blockquote>
<h2>[0.4.31] - 2026-06-02</h2>
<h2>What's Changed</h2>
<ul>
<li>Leverage static str key when possible by <a
href="https://github.com/tisonkun"><code>@​tisonkun</code></a> in <a
href="https://redirect.github.com/rust-lang/log/pull/727">rust-lang/log#727</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/Isvane"><code>@​Isvane</code></a> made
their first contribution in <a
href="https://redirect.github.com/rust-lang/log/pull/726">rust-lang/log#726</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/rust-lang/log/compare/0.4.30...0.4.31">https://github.com/rust-lang/log/compare/0.4.30...0.4.31</a></p>
<h2>[Unreleased]</h2>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="580839288e"><code>5808392</code></a>
Merge pull request <a
href="https://redirect.github.com/rust-lang/log/issues/728">#728</a>
from rust-lang/cargo/0.4.31</li>
<li><a
href="86d739f51a"><code>86d739f</code></a>
prepare for 0.4.31 release</li>
<li><a
href="c906cfb02e"><code>c906cfb</code></a>
Merge pull request <a
href="https://redirect.github.com/rust-lang/log/issues/727">#727</a>
from tisonkun/leverage-static-str-key-when-possible</li>
<li><a
href="756c279649"><code>756c279</code></a>
leverage str literal as well</li>
<li><a
href="3dd250d153"><code>3dd250d</code></a>
rename Key::from_static_str to from_str_static</li>
<li><a
href="db145979e2"><code>db14597</code></a>
Leverage static str key when possible</li>
<li><a
href="761461a5d0"><code>761461a</code></a>
Merge pull request <a
href="https://redirect.github.com/rust-lang/log/issues/726">#726</a>
from Isvane/fix/typos</li>
<li><a
href="48ce372edd"><code>48ce372</code></a>
fix typos in kv compile errors and log documentation</li>
<li>See full diff in <a
href="https://github.com/rust-lang/log/compare/0.4.30...0.4.31">compare
view</a></li>
</ul>
</details>
<br />

Updates `test-log` from 0.2.20 to 0.2.21
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/d-e-s-o/test-log/releases">test-log's
releases</a>.</em></p>
<blockquote>
<h2>v0.2.21</h2>
<ul>
<li>Fixed spans in generated code, improving <code>rust-analyzer</code>
interaction</li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a
href="https://github.com/jorendorff"><code>@​jorendorff</code></a> made
their first contribution in <a
href="https://redirect.github.com/d-e-s-o/test-log/pull/68">d-e-s-o/test-log#68</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/d-e-s-o/test-log/compare/v0.2.20...v0.2.21">https://github.com/d-e-s-o/test-log/compare/v0.2.20...v0.2.21</a></p>
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<summary>Changelog</summary>
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href="https://github.com/d-e-s-o/test-log/blob/main/CHANGELOG.md">test-log's
changelog</a>.</em></p>
<blockquote>
<h2>0.2.21</h2>
<ul>
<li>Fixed spans in generated code, improving <code>rust-analyzer</code>
interaction</li>
</ul>
</blockquote>
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Add CHANGELOG entry for <a
href="https://redirect.github.com/d-e-s-o/test-log/issues/68">#68</a></li>
<li><a
href="5e996d9ac6"><code>5e996d9</code></a>
Wrap the injected init code, not the original test body</li>
<li><a
href="c78563c1ca"><code>c78563c</code></a>
Retain existing spans for test code</li>
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<br />

Updates `serial_test` from 3.4.0 to 3.5.0
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/palfrey/serial_test/releases">serial_test's
releases</a>.</em></p>
<blockquote>
<h2>v3.5.0</h2>
<h2>What's Changed</h2>
<ul>
<li>Replace scc/sdd with std::sync::Mutex for Miri strict provenance
compatibility by <a
href="https://github.com/justanotheranonymoususer"><code>@​justanotheranonymoususer</code></a>
in <a
href="https://redirect.github.com/palfrey/serial_test/pull/157">palfrey/serial_test#157</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a
href="https://github.com/justanotheranonymoususer"><code>@​justanotheranonymoususer</code></a>
made their first contribution in <a
href="https://redirect.github.com/palfrey/serial_test/pull/157">palfrey/serial_test#157</a></li>
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href="https://github.com/palfrey/serial_test/compare/v3.4.0...v3.5.0">https://github.com/palfrey/serial_test/compare/v3.4.0...v3.5.0</a></p>
</blockquote>
</details>
<details>
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<li><a
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3.5.0</li>
<li><a
href="480bead2f6"><code>480bead</code></a>
Merge pull request <a
href="https://redirect.github.com/palfrey/serial_test/issues/157">#157</a>
from justanotheranonymoususer/remove-scc-dep</li>
<li><a
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Update ci.yml</li>
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Update ci.yml</li>
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Let's try --all-features</li>
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Fix formatting</li>
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Cleanup code_lock.rs</li>
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2026-06-04 09:29:08 -07:00
Lance Release
39a9f3e1e9 Bump version: 0.30.1-beta.1 → 0.30.1-beta.2 2026-06-04 06:05:35 +00:00
Lance Release
952055d428 Bump version: 0.33.1-beta.1 → 0.33.1-beta.2 python-v0.33.1-beta.2 2026-06-04 06:04:37 +00:00
Yang Cen
927ba2c948 fix(python): route blob query pandas through scanner (#3491)
## Bug Fix

### What is the bug?
`QueryBuilder.to_pandas(blob_mode="descriptions")` could still fall back
to `self.to_arrow()` for query outputs with blob columns. Custom query
subclasses or wrappers can have `to_arrow()` behavior that is not
compatible with pandas blob-description conversion, which can surface as
low-level Arrow/list-batch conversion failures.

### What issues or incorrect behavior does the bug cause?
Callers need to carry local `to_pandas` or plain-scan adapter special
casing for blob descriptions, and scanner-only kwargs such as row
addresses and fragment selection are not represented in LanceDB query
state.

### How does this PR fix the problem?
This PR routes blob-output query `to_pandas()` through the Lance scanner
path for `lazy`, `bytes`, and `descriptions` modes when the query is a
scanner-backed plain scan. For `blob_mode="descriptions"` with
`flatten`, it collects scanner Arrow/table output, applies LanceDB
`flatten_columns`, and converts to pandas from there. Non-plain blob
query shapes now fail with a clear unsupported error instead of falling
into subclass `to_arrow()` behavior.

It also adds Python query state and builder methods for scanner-only
plain-scan parameters:

- `with_row_address()` for `_rowaddr`
- `with_fragments(...)` for Lance fragment objects
- `fragment_ids([...])` as a convenience wrapper that resolves IDs to
Lance fragments

## Validation

- `cd python && uv run --no-sync ruff format --check
python/lancedb/query.py python/tests/test_query.py`
- `cd python && uv run --no-sync ruff check python/lancedb/query.py
python/tests/test_query.py`

Targeted pytest was intentionally not run locally per maintainer
request.
2026-06-04 14:03:33 +08:00
Armaan Sandhu
415d199c15 feat(rust): support datafusion expressions for merge insert predicates (#3444)
### Description
This PR exposes native DataFusion expression support in the Rust SDK's
`MergeInsertBuilder` via two new builder methods:
`when_matched_update_all_expr` and
`when_not_matched_by_source_delete_expr`.

For remote LanceDB tables (where operations are serialized over
HTTP/JSON to the SaaS backend), native DataFusion expression trees
cannot be executed directly. The SDK handles this gracefully by
returning a `NotSupported` error.

### Key Changes
- **`MergeFilter` Enum**: Introduced a helper enum to store either a SQL
string or a native `datafusion_expr::Expr`.
- **`MergeInsertBuilder`**: Updated `when_matched_update_all_filt` and
`when_not_matched_by_source_delete_filt` fields to store the new enum,
and added `when_matched_update_all_expr` and
`when_not_matched_by_source_delete_expr` builder methods.
- **Execution & Remote Dispatch**: Dispatched the filter variants during
local execution, and rejected expression filters with a clean
`NotSupported` error in remote table request conversion.
- **Testing**: Added a `test_merge_insert_expr` unit test covering
conditional updates and deletes with programmatically built DataFusion
expressions.

### Verification
- Added integration test `test_merge_insert_expr` which successfully
compiles and passes.
- Formatted and linted the code.

Closes #3416
2026-06-03 15:47:51 -07:00
Will Jones
a16676e05f ci: update python lockfile weekly (#3498)
Make sure we are getting security fixes in there regularly, and other
useful bumps.
2026-06-03 15:24:32 -07:00
Harikrishna KP
4e44262499 test(python): add regression test for nullable struct with None (#2654) (#3483)
## Summary

Regression test for [issue
#2654](https://github.com/lancedb/lancedb/issues/2654) — a nullable
struct column whose first batch contains only `None` values crashed in
`_align_field_types` with `AttributeError: 'pyarrow.lib.DataType' object
has no attribute 'fields'`.

The actual fix landed in #3394, but no test was added. This PR adds the
reproducer from the issue as a test.

## Test plan

- `test_add_nullable_struct_with_none`: creates a table with a nullable
struct column, adds a row with a non-null struct value, then a row with
`None` for the struct field. Verifies both rows land correctly.
- Uses Lance file format v2.1 (`new_table_data_storage_version="2.1"`)
because nullable structs aren't supported on v2.0.

## Related

- #3028 (the original fix attempt, now superseded)
2026-06-03 14:13:09 -07:00
Brendan Clement
632375faf1 docs: add cross-SDK parity guidance for code review (#3464)
Adds a REVIEW.md at the repo root with cross-SDK parity guidance for
automated code review. The Claude Code review feature automatically
loads `REVIEW.md` as review-only context.

This is intentionally a semantic nudge, not a deterministic check, it
relies on the reviewer reading the sibling SDK, so it will catch most
gaps.
2026-06-03 14:11:33 -07:00
devteamaegis
9969191d0d fix(rerankers): guard against empty vector_results in RRFReranker.rerank_multivector (#3467)
## What's broken

Calling `RRFReranker().rerank_multivector([])` crashes with `IndexError:
list index out of range` because the method accesses `vector_results[0]`
for the type-homogeneity check before verifying the list is non-empty.
The `all()` call passes vacuously on an empty iterable so the crash hits
the next lines.

```python
from lancedb.rerankers import RRFReranker
RRFReranker().rerank_multivector([])
# IndexError: list index out of range
```

## Why it happens

The type check uses `vector_results[0]` as the reference type but never
guards against an empty list. `all(...)` short-circuits to `True` when
the iterable is empty, so the bad index access on the lines that follow
is never reached by the existing guard logic.

## Fix

Add an explicit empty-list check before any indexing.
2026-06-03 14:06:33 -07:00
devteamaegis
1e7326cd8c fix(rerankers/mrr): raise ValueError on empty vector_results list (#3469)
## What's broken

`MRRReranker.rerank_multivector([])` raises `IndexError: list index out
of range`. The crash happens on line 128 (the `all()` type-homogeneity
check passes vacuously on an empty iterable) and on line 134 which
accesses `vector_results[0]` unconditionally, with no prior guard for an
empty list.

## Why it happens

`all()` over an empty iterable returns `True`, so the type check
silently passes and execution falls through to `vector_results[0]` which
crashes.

## Fix

Added a two-line guard at the top of `rerank_multivector` that raises a
clear `ValueError("vector_results must not be empty")` before any
indexing occurs.

## Test

Added `test_mrr_reranker_empty_input` in `test_rerankers.py` which calls
`rerank_multivector([])` and asserts that a `ValueError` with the
message "must not be empty" is raised.

Fixes #3468

Co-authored-by: Aegis Dev <aegis@devteamaegis.com>
2026-06-03 14:05:43 -07:00
Lance Release
9483b534af Bump version: 0.30.1-beta.0 → 0.30.1-beta.1 2026-06-03 11:17:37 +00:00
Lance Release
ac3411e81e Bump version: 0.33.1-beta.0 → 0.33.1-beta.1 python-v0.33.1-beta.1 2026-06-03 11:16:51 +00:00
Yang Cen
6f18eb4cce feat(python): support blob modes in query to_pandas (#3487)
## Feature

- What is the new feature?
- Adds `blob_mode` support to sync and async Python query `to_pandas()`
APIs.
- Enables plain scan queries to return blob columns as lazy `BlobFile`
objects, raw bytes, or blob descriptions.
- Lets namespace-backed local tables use Lance native blob-aware pandas
conversion for lazy blobs.

- Why do we need this feature?
- Table and Lance dataset/scanner APIs already support blob-aware pandas
conversion, but LanceDB query builders did not expose that capability.
- Geneva and other callers should be able to use query-level
`to_pandas(blob_mode=...)` without manually constructing Lance scanners.

- How does it work?
- Plain scan queries route through Lance scanner native
`to_pandas(blob_mode=...)`, preserving filter, projection, limit,
offset, row id, and alias/expression projection behavior.
- Non-native query shapes keep existing Arrow fallback semantics and
raise a clear error when they return blob columns with
`blob_mode="lazy"` or `blob_mode="bytes"`.
- Focused tests cover table/query blob modes,
filter/select/limit/offset/alias query cases, async query behavior,
vector-query error boundaries, and namespace-backed lazy blobs.

## Validation

- `cd python && .venv/bin/maturin develop --uv --extras tests,dev
--profile dev`
- `cd python && uv run --frozen --no-sync pytest
python/tests/test_table.py::test_table_to_pandas_blob_modes
python/tests/test_table.py::test_async_table_to_pandas_blob_bytes
python/tests/test_query.py::test_plain_scan_query_to_pandas_blob_modes
python/tests/test_query.py::test_plain_scan_query_to_pandas_blob_projection
python/tests/test_query.py::test_async_plain_scan_query_to_pandas_blob_projection
python/tests/test_query.py::test_vector_query_to_pandas_blob_mode_requires_native_path
python/tests/test_namespace.py::TestNamespaceConnection::test_table_to_pandas_blob_lazy_through_namespace
-q`
- `cd python && uv run --frozen --no-sync ruff format --check .`
- `cd python && uv run --frozen --no-sync ruff check .`
- `git diff --check`
2026-06-03 19:15:44 +08:00
Brendan Clement
379684391e feat: deprecate replace_field_metadata for update_field_metadata (#3484)
### Summary
Deprecates the Python replace_field_metadata (on Table and AsyncTable)
in favor of update_field_metadata. Mirrors Lance, which already
deprecated Dataset.replace_field_metadata for update_field_metadata.

Stacked on top of #3482 as this was a follow-up task after adding
update_field_metadata
2026-06-02 14:02:22 -07:00
Brendan Clement
d065be0474 feat: add update_field_metadata to edit per-field metadata (#3482)
### Summary
Adds update_field_metadata to the client SDK (Rust core, Python, and
TypeScript) so clients can edit per-field (column) Arrow metadata
(schema.fields[].metadata)

### Testing
- added unit tests
- ran E2E against a local server on both local and remote tables (set →
merge → delete), across Python sync/async and TypeScript

### Next steps
- deprecate replace_field_metadata in the python lancedb favor of this
(typescript didn't have replace_field_metadata method). This matches
Lance's API direction (Lance already deprecated replace_field_metadata
for update_field_metadata)
2026-06-02 07:00:00 -07:00
Xuanwo
7b874905fd ci: move Lance dependency bump flow into skill (#3475)
Moves the Lance dependency bump process into an in-repository skill so
local agents and GitHub Actions share the same workflow definition.

The update workflow is now an explicit, optional-tag entrypoint;
latest-release resolution, duplicate PR handling, Java/Rust dependency
updates, and Sophon follow-up are documented in the skill and backed by
a small deterministic helper.
2026-06-02 16:05:37 +08:00
Xuanwo
a327044e2f feat(python): support remote tables in PyTorch dataloaders (#3432)
This PR makes remote LanceDB tables usable from PyTorch multiprocessing
workers. Remote tables now carry enough safe JSON connection state to
reopen themselves after pickle/spawn or fork, and permutations lazily
rebuild their reader from restored tables instead of trying to reuse
process-local handles.

This addresses the remote-table gap in the PyTorch dataset path while
preserving the explicit connection factory escape hatch for custom
worker-side credential loading or non-serializable header providers.

Validated with targeted remote table, permutation, and PyTorch
DataLoader tests.
2026-06-02 15:38:28 +08:00
Lance Release
f20ec99dec Bump version: 0.30.0-beta.1 → 0.30.1-beta.0 2026-06-01 12:41:45 +00:00
Lance Release
60f961584c Bump version: 0.33.0-beta.1 → 0.33.1-beta.0 python-v0.33.1-beta.0 2026-06-01 12:41:02 +00:00
Xuanwo
ac699d7ecf chore: bump lance to 7.2.0-beta.3 (#3471)
This updates the workspace Lance dependencies from `v7.1.0-beta.4` to
`v7.2.0-beta.3` and refreshes `Cargo.lock`.

The lockfile now points at Lance commit
`7c070f760fa8e24c8015cb2afbd22c5e6b7898e8` and includes the transitive
dependency updates required by the new beta.
2026-06-01 20:40:07 +08:00
dependabot[bot]
968277be79 chore(deps): bump the rust-minor-patch group with 5 updates (#3465)
Bumps the rust-minor-patch group with 5 updates:

| Package | From | To |
| --- | --- | --- |
| [log](https://github.com/rust-lang/log) | `0.4.29` | `0.4.30` |
| [serde_json](https://github.com/serde-rs/json) | `1.0.149` | `1.0.150`
|
| [http](https://github.com/hyperium/http) | `1.4.0` | `1.4.1` |
| [uuid](https://github.com/uuid-rs/uuid) | `1.23.1` | `1.23.2` |
| [aws-smithy-runtime](https://github.com/smithy-lang/smithy-rs) |
`1.11.1` | `1.11.3` |

Updates `log` from 0.4.29 to 0.4.30
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/rust-lang/log/releases">log's
releases</a>.</em></p>
<blockquote>
<h2>0.4.30</h2>
<h3>What's Changed</h3>
<ul>
<li>Support capturing of <code>std::net</code> types by <a
href="https://github.com/KodrAus"><code>@​KodrAus</code></a> in <a
href="https://redirect.github.com/rust-lang/log/pull/724">rust-lang/log#724</a></li>
</ul>
<h3>New Contributors</h3>
<ul>
<li><a href="https://github.com/V0ldek"><code>@​V0ldek</code></a> made
their first contribution in <a
href="https://redirect.github.com/rust-lang/log/pull/720">rust-lang/log#720</a></li>
<li><a href="https://github.com/woodruffw"><code>@​woodruffw</code></a>
made their first contribution in <a
href="https://redirect.github.com/rust-lang/log/pull/723">rust-lang/log#723</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/rust-lang/log/compare/0.4.29...0.4.30">https://github.com/rust-lang/log/compare/0.4.29...0.4.30</a></p>
<h3>Notable Changes</h3>
<ul>
<li>MSRV is bumped to 1.71.0 in <a
href="https://redirect.github.com/rust-lang/log/pull/723">rust-lang/log#723</a></li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/rust-lang/log/blob/master/CHANGELOG.md">log's
changelog</a>.</em></p>
<blockquote>
<h2>[0.4.30] - 2026-05-21</h2>
<h3>What's Changed</h3>
<ul>
<li>Support capturing of <code>std::net</code> types by <a
href="https://github.com/KodrAus"><code>@​KodrAus</code></a> in <a
href="https://redirect.github.com/rust-lang/log/pull/724">rust-lang/log#724</a></li>
</ul>
<h3>New Contributors</h3>
<ul>
<li><a href="https://github.com/V0ldek"><code>@​V0ldek</code></a> made
their first contribution in <a
href="https://redirect.github.com/rust-lang/log/pull/720">rust-lang/log#720</a></li>
<li><a href="https://github.com/woodruffw"><code>@​woodruffw</code></a>
made their first contribution in <a
href="https://redirect.github.com/rust-lang/log/pull/723">rust-lang/log#723</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/rust-lang/log/compare/0.4.29...0.4.30">https://github.com/rust-lang/log/compare/0.4.29...0.4.30</a></p>
<h3>Notable Changes</h3>
<ul>
<li>MSRV is bumped to 1.71.0 in <a
href="https://redirect.github.com/rust-lang/log/pull/723">rust-lang/log#723</a></li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="9c55760b49"><code>9c55760</code></a>
Merge pull request <a
href="https://redirect.github.com/rust-lang/log/issues/725">#725</a>
from rust-lang/cargo/0.4.30</li>
<li><a
href="d1acb0585c"><code>d1acb05</code></a>
update docs on current MSRV and note latest bump in changelog</li>
<li><a
href="50682937b0"><code>5068293</code></a>
prepare for 0.4.30 release</li>
<li><a
href="7ccd873cb5"><code>7ccd873</code></a>
Merge pull request <a
href="https://redirect.github.com/rust-lang/log/issues/724">#724</a>
from rust-lang/feat/net-to-value</li>
<li><a
href="923dfaaf00"><code>923dfaa</code></a>
fix up test cfgs</li>
<li><a
href="ecb7de8daf"><code>ecb7de8</code></a>
gate net value impls on std</li>
<li><a
href="67bb4f6d2e"><code>67bb4f6</code></a>
run fmt</li>
<li><a
href="25f49fe3d3"><code>25f49fe</code></a>
rework net type capturing</li>
<li><a
href="7087dcb95c"><code>7087dcb</code></a>
feat: impl ToValue for core::net types</li>
<li><a
href="67bc7e32c6"><code>67bc7e3</code></a>
Merge pull request <a
href="https://redirect.github.com/rust-lang/log/issues/723">#723</a>
from woodruffw-forks/ww/ci</li>
<li>Additional commits viewable in <a
href="https://github.com/rust-lang/log/compare/0.4.29...0.4.30">compare
view</a></li>
</ul>
</details>
<br />

Updates `serde_json` from 1.0.149 to 1.0.150
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/serde-rs/json/releases">serde_json's
releases</a>.</em></p>
<blockquote>
<h2>v1.0.150</h2>
<ul>
<li>Reject non-string enum object keys (<a
href="https://redirect.github.com/serde-rs/json/issues/1324">#1324</a>,
thanks <a
href="https://github.com/puneetdixit200"><code>@​puneetdixit200</code></a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="a1ae73ac6a"><code>a1ae73a</code></a>
Release 1.0.150</li>
<li><a
href="1a360b0a6c"><code>1a360b0</code></a>
Merge pull request <a
href="https://redirect.github.com/serde-rs/json/issues/1324">#1324</a>
from puneetdixit200/reject-non-string-enum-keys</li>
<li><a
href="2037b634f9"><code>2037b63</code></a>
Reject non-string enum object keys</li>
<li><a
href="5d30df60e9"><code>5d30df6</code></a>
Resolve manual_assert_eq pedantic clippy lint</li>
<li><a
href="dc8003a88e"><code>dc8003a</code></a>
Raise required compiler for preserve_order feature to 1.85</li>
<li><a
href="a42fa980f8"><code>a42fa98</code></a>
Unpin CI miri toolchain</li>
<li><a
href="684a60eba1"><code>684a60e</code></a>
Pin CI miri to nightly-2026-02-11</li>
<li><a
href="7c7da3302b"><code>7c7da33</code></a>
Raise required compiler to Rust 1.71</li>
<li><a
href="acf4850e29"><code>acf4850</code></a>
Simplify Number::is_f64</li>
<li><a
href="6b8ceab565"><code>6b8ceab</code></a>
Resolve unnecessary_map_or clippy lint</li>
<li>Additional commits viewable in <a
href="https://github.com/serde-rs/json/compare/v1.0.149...v1.0.150">compare
view</a></li>
</ul>
</details>
<br />

Updates `http` from 1.4.0 to 1.4.1
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/hyperium/http/releases">http's
releases</a>.</em></p>
<blockquote>
<h2>v1.4.1</h2>
<h2>tl;dr</h2>
<ul>
<li>Fix <code>PathAndQuery::from_static()</code> and
<code>from_shared()</code> to reject inputs that do not start with
<code>/</code>.</li>
<li>Fix <code>Extend</code> for <code>HeaderMap</code> to clamp max size
hint and not overflow.</li>
<li>Fix <code>header::IntoIter</code> that could use-after-free if the
generic value type could panic on drop.</li>
<li>Fix <code>header::{IterMut, ValuesIterMut}</code> to not violate
stacked borrows.</li>
</ul>
<h2>What's Changed</h2>
<ul>
<li>chore(header): fix clippy::assign_op_pattern by <a
href="https://github.com/rxc-amzn"><code>@​rxc-amzn</code></a> in <a
href="https://redirect.github.com/hyperium/http/pull/806">hyperium/http#806</a></li>
<li>ci: pin itoa in msrv job by <a
href="https://github.com/seanmonstar"><code>@​seanmonstar</code></a> in
<a
href="https://redirect.github.com/hyperium/http/pull/813">hyperium/http#813</a></li>
<li>Remove unnecessary explicit lifetimes by <a
href="https://github.com/jplatte"><code>@​jplatte</code></a> in <a
href="https://redirect.github.com/hyperium/http/pull/815">hyperium/http#815</a></li>
<li>chore(ci): update to actions/checkout@v6 by <a
href="https://github.com/tottoto"><code>@​tottoto</code></a> in <a
href="https://redirect.github.com/hyperium/http/pull/819">hyperium/http#819</a></li>
<li>tests: update to rand 0.10 by <a
href="https://github.com/tottoto"><code>@​tottoto</code></a> in <a
href="https://redirect.github.com/hyperium/http/pull/818">hyperium/http#818</a></li>
<li>refactor: Remove usage of float instruction by <a
href="https://github.com/AurelienFT"><code>@​AurelienFT</code></a> in <a
href="https://redirect.github.com/hyperium/http/pull/823">hyperium/http#823</a></li>
<li>refactor(uri): consolidate PathAndQuery::from_shared and from_static
by <a
href="https://github.com/seanmonstar"><code>@​seanmonstar</code></a> in
<a
href="https://redirect.github.com/hyperium/http/pull/825">hyperium/http#825</a></li>
<li>fix(uri): reject Path::from_shared/from_static if doesn't start with
slash by <a
href="https://github.com/seanmonstar"><code>@​seanmonstar</code></a> in
<a
href="https://redirect.github.com/hyperium/http/pull/826">hyperium/http#826</a></li>
<li>Rephrase comment by <a
href="https://github.com/daalfox"><code>@​daalfox</code></a> in <a
href="https://redirect.github.com/hyperium/http/pull/827">hyperium/http#827</a></li>
<li>Fix typo in request builder docs by <a
href="https://github.com/vleksis"><code>@​vleksis</code></a> in <a
href="https://redirect.github.com/hyperium/http/pull/831">hyperium/http#831</a></li>
<li>fix: clamp Extend size hint so HeaderMap reserve cannot overflow by
<a href="https://github.com/SAY-5"><code>@​SAY-5</code></a> in <a
href="https://redirect.github.com/hyperium/http/pull/833">hyperium/http#833</a></li>
<li>fix(headers): fix stacked borrows for IterMut/ValuesIterMut by <a
href="https://github.com/seanmonstar"><code>@​seanmonstar</code></a> in
<a
href="https://redirect.github.com/hyperium/http/pull/837">hyperium/http#837</a></li>
<li>fix(header): use a set_len guard in IntoIter drop by <a
href="https://github.com/seanmonstar"><code>@​seanmonstar</code></a> in
<a
href="https://redirect.github.com/hyperium/http/pull/838">hyperium/http#838</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/rxc-amzn"><code>@​rxc-amzn</code></a>
made their first contribution in <a
href="https://redirect.github.com/hyperium/http/pull/806">hyperium/http#806</a></li>
<li><a
href="https://github.com/AurelienFT"><code>@​AurelienFT</code></a> made
their first contribution in <a
href="https://redirect.github.com/hyperium/http/pull/823">hyperium/http#823</a></li>
<li><a href="https://github.com/daalfox"><code>@​daalfox</code></a> made
their first contribution in <a
href="https://redirect.github.com/hyperium/http/pull/827">hyperium/http#827</a></li>
<li><a href="https://github.com/vleksis"><code>@​vleksis</code></a> made
their first contribution in <a
href="https://redirect.github.com/hyperium/http/pull/831">hyperium/http#831</a></li>
<li><a href="https://github.com/SAY-5"><code>@​SAY-5</code></a> made
their first contribution in <a
href="https://redirect.github.com/hyperium/http/pull/833">hyperium/http#833</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/hyperium/http/compare/v1.4.0...v1.4.1">https://github.com/hyperium/http/compare/v1.4.0...v1.4.1</a></p>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/hyperium/http/blob/master/CHANGELOG.md">http's
changelog</a>.</em></p>
<blockquote>
<h1>1.4.1 (May 25, 2026)</h1>
<ul>
<li>Fix <code>PathAndQuery::from_static()</code> and
<code>from_shared()</code> to reject inputs that do not start with
<code>/</code>.</li>
<li>Fix <code>Extend</code> for <code>HeaderMap</code> to clamp max size
hint and not overflow.</li>
<li>Fix <code>header::IntoIter</code> that could use-after-free if the
generic value type could panic on drop.</li>
<li>Fix <code>header::{IterMut, ValuesIterMut}</code> to not violate
stacked borrows.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="a24c968ba3"><code>a24c968</code></a>
v1.4.1</li>
<li><a
href="bc3b0441be"><code>bc3b044</code></a>
fix(header): use a set_len guard in IntoIter drop (<a
href="https://redirect.github.com/hyperium/http/issues/838">#838</a>)</li>
<li><a
href="1b968dc519"><code>1b968dc</code></a>
fix(header): fix stacked borrows for IterMut/ValuesIterMut (<a
href="https://redirect.github.com/hyperium/http/issues/837">#837</a>)</li>
<li><a
href="6e2dd42a15"><code>6e2dd42</code></a>
fix: clamp Extend size hint so HeaderMap reserve cannot overflow (<a
href="https://redirect.github.com/hyperium/http/issues/833">#833</a>)</li>
<li><a
href="68e0abb052"><code>68e0abb</code></a>
docs: fix typo in request builder docs (<a
href="https://redirect.github.com/hyperium/http/issues/831">#831</a>)</li>
<li><a
href="29dd307b3e"><code>29dd307</code></a>
docs(extensions): rephrase internal comment (<a
href="https://redirect.github.com/hyperium/http/issues/827">#827</a>)</li>
<li><a
href="ae48fb55b0"><code>ae48fb5</code></a>
fix(uri): reject Path::from_shared/from_static if doesn't start with
slash (#...</li>
<li><a
href="1ad200ec4c"><code>1ad200e</code></a>
refactor(uri): consolidate PathAndQuery::from_shared and from_static (<a
href="https://redirect.github.com/hyperium/http/issues/825">#825</a>)</li>
<li><a
href="d59d939f92"><code>d59d939</code></a>
refactor: Remove usage of float instruction (<a
href="https://redirect.github.com/hyperium/http/issues/823">#823</a>)</li>
<li><a
href="ed680c4d90"><code>ed680c4</code></a>
tests: update to rand 0.10 (<a
href="https://redirect.github.com/hyperium/http/issues/818">#818</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/hyperium/http/compare/v1.4.0...v1.4.1">compare
view</a></li>
</ul>
</details>
<br />

Updates `uuid` from 1.23.1 to 1.23.2
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/uuid-rs/uuid/releases">uuid's
releases</a>.</em></p>
<blockquote>
<h2>v1.23.2</h2>
<h2>What's Changed</h2>
<ul>
<li>Improve error messages for ambiguous formats by <a
href="https://github.com/KodrAus"><code>@​KodrAus</code></a> in <a
href="https://redirect.github.com/uuid-rs/uuid/pull/882">uuid-rs/uuid#882</a></li>
<li>Prepare for 1.23.2 release by <a
href="https://github.com/KodrAus"><code>@​KodrAus</code></a> in <a
href="https://redirect.github.com/uuid-rs/uuid/pull/883">uuid-rs/uuid#883</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/uuid-rs/uuid/compare/v1.23.1...v1.23.2">https://github.com/uuid-rs/uuid/compare/v1.23.1...v1.23.2</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="d11965705f"><code>d119657</code></a>
Merge pull request <a
href="https://redirect.github.com/uuid-rs/uuid/issues/883">#883</a> from
uuid-rs/cargo/v1.23.2</li>
<li><a
href="0651cfcb89"><code>0651cfc</code></a>
prepare for 1.23.2 release</li>
<li><a
href="e8dea0c1fd"><code>e8dea0c</code></a>
Merge pull request <a
href="https://redirect.github.com/uuid-rs/uuid/issues/882">#882</a> from
uuid-rs/fix/error-msgs</li>
<li><a
href="bdc429a8c7"><code>bdc429a</code></a>
fix up serde messages</li>
<li><a
href="d4342e400d"><code>d4342e4</code></a>
make indexes 0 based and fix up more error messages</li>
<li><a
href="4ad479fc20"><code>4ad479f</code></a>
work on more accurate parser errors</li>
<li>See full diff in <a
href="https://github.com/uuid-rs/uuid/compare/v1.23.1...v1.23.2">compare
view</a></li>
</ul>
</details>
<br />

Updates `aws-smithy-runtime` from 1.11.1 to 1.11.3
<details>
<summary>Commits</summary>
<ul>
<li>See full diff in <a
href="https://github.com/smithy-lang/smithy-rs/commits">compare
view</a></li>
</ul>
</details>
<br />


Dependabot will resolve any conflicts with this PR as long as you don't
alter it yourself. You can also trigger a rebase manually by commenting
`@dependabot rebase`.

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<summary>Dependabot commands and options</summary>
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You can trigger Dependabot actions by commenting on this PR:
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2026-05-30 19:22:50 -07:00
Xuanwo
5638907fa5 chore: update Lance to v7.2.0-beta.1 (#3461)
Update the Rust workspace Lance git dependencies and Java lance-core
dependency to v7.2.0-beta.1.

This keeps LanceDB aligned with the latest Lance beta release and
refreshes the Cargo lockfile for the new Lance dependency graph.
2026-05-30 00:18:22 +08:00
Heng Ge
048f52c2aa feat(table): route merge_insert through the MemWAL LSM write path (#3354)
## Summary

When an `LsmWriteSpec` is installed on a table (#3396), `merge_insert`
upsert
calls are dispatched through Lance's MemWAL `ShardWriter` (LSM-style
append)
instead of the standard merge path.

- **`use_lsm_write`** — a `merge_insert` builder option, default `true`;
set it
  `false` to use the standard path for a call even when a spec is set.
- **`assume_pre_sharded`** — a `merge_insert` builder option, default
`false`;
  skips the per-row shard check and routes by the first row only.
- **`close_lsm_writers`** — drains and closes the table's cached MemWAL
shard
  writers.
- The `merge_insert` **`on`** columns default to, and are validated
against,
  the table's unenforced primary key.
- Shard writers are cached alongside the dataset (in
  `DatasetConsistencyWrapper`) and reused for the session.
- `MergeResult` gains **`num_rows`** — on the LSM path the insert/update
  breakdown is unknown until compaction, so only the total is reported.

Routing covers all three sharding strategies — bucket (murmur3,
Iceberg-compatible), identity, and unsharded. Each `merge_insert` call
targets
a single shard; the whole input is collected and validated before a
single
atomic `ShardWriter::put`, so a validation failure leaves the MemWAL
untouched.

Bindings: Python (`merge_insert(...).use_lsm_write(...)` /
`.assume_pre_sharded(...)`, `Table.close_lsm_writers`) and TypeScript
(`mergeInsert(...).useLsmWrite(...)` / `.assumePreSharded(...)`,
`Table.closeLsmWriters`).

## Context

Reconstructed from the original #3354 branch onto current `main`: the
branch
predated the #3394 (unenforced primary key) / #3396 (`LsmWriteSpec`)
split and
has been rebuilt on that merged foundation. Depends on Lance
`v7.0.0-beta.13`.

The MemWAL read path (reading un-flushed shard data back into queries)
and
remote (LanceDB Cloud) LSM support are follow-ups.

---------

Co-authored-by: Jack Ye <yezhaoqin@gmail.com>
2026-05-29 08:48:11 -07:00
Will Jones
458dcabbd2 chore: upgrade Rust toolchain to 1.95.0 (#3390)
Bumps the pinned toolchain in `rust-toolchain.toml` from 1.94.0 to
1.95.0.

Fixes new lints surfaced by clippy on 1.95.0:

- `manual_checked_ops` — fragment size mean in `table.rs` uses
`checked_div`
- `explicit_counter_loop` — shuffle test loop in `shuffle.rs`

No rustc warnings were introduced.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-29 08:21:45 -07:00
Xuanwo
60ac5c9a7c test(python): fix remote create_index schema fixture (#3462)
The latest main Python workflow fails across multiple matrix jobs
because `test_remote_create_index_new_api` opens a remote table whose
mocked schema only exposes `id`, while the new `create_index(...,
config=...)` path validates the requested indexed columns.

This updates the remote-table fixture to include the indexed columns
used by the smoke test and checks the emitted column payloads, keeping
the test aligned with the schema-aware API path.
2026-05-29 23:04:42 +08:00
Will Jones
d05fe8ec44 feat(python): unify sync create_index API to match async API (#2882)
## Summary

- Transitions `LanceTable` and `RemoteTable` to use the unified
`create_index()` API matching `AsyncTable`
- Deprecates `create_scalar_index()` and `create_fts_index()` with
deprecation warnings
- Adds detection logic to distinguish legacy vs new API calls
- Adds `@overload` decorators for type checker compatibility
- Adds `accelerator` parameter to IVF config classes for GPU support

**New API:**
```python
table.create_index("vec", config=IvfPq(distance_type="l2"))
table.create_index("col", config=BTree())
table.create_index("text_col", config=FTS(with_position=True))
```

**Legacy API (deprecated):**
```python
table.create_index("l2", vector_column_name="vec")  # emits DeprecationWarning
table.create_scalar_index("col", index_type="BTREE")  # deprecated
table.create_fts_index("text_col")  # deprecated
```

Fixes #2879

🤖 Generated with [Claude Code](https://claude.com/claude-code)

---------

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
2026-05-28 16:41:47 -07:00
Will Jones
ab982d7f65 perf: migrate list_indices to use Lance's describe_indices (#3108)
This needs https://github.com/lance-format/lance/pull/6099 to work.

Closes #3140

---------

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-05-28 16:41:05 -07:00
Will Jones
a3339b7bdd ci: drop manylinux2_17 wheel builds (#3455)
manylinux2_17 reached EOL in 2024 and pyarrow stopped publishing 2_17
wheels long ago. We already build manylinux2_28 wheels, so drop the 2_17
matrix entries.

Fixes #3452

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-28 11:30:42 -07:00
Will Jones
b20cdc4f93 ci: fix pypi publish on mac/windows/arm (#3449)
The python-v0.32.0 publish run failed on every build matrix entry. Three
independent issues:

1. **Mac and Windows**: `pypa/gh-action-pypi-publish` only runs on
Linux, but was being called inline from each build job.
2. **Linux (all arches)**: `pypa/gh-action-pypi-publish` derives its
docker image name from `github.action_repository`, which is empty when
the action is invoked from inside a composite action
(actions/runner#2473 — pypa's own `action.yml` references this bug). It
falls back to `github.repository`, generating
`docker://ghcr.io/lancedb/lancedb:<tag>`, which doesn't exist →
`denied`. Only the ARM matrix entry surfaced this because it failed
first and cancel-cascaded the rest.
3. **Windows**: `upload-artifact` in `build_windows_wheel` pointed at
`python\target\wheels`, but maturin writes to the workspace-root
`target/wheels`. The artifact was always empty. Also, `pypi-publish.yml`
passed a `vcpkg_token` input that the composite doesn't declare.

## Changes

- Build jobs (linux/mac/windows) now upload their wheels as
`actions/upload-artifact` artifacts.
- New Linux `publish` job downloads all wheel artifacts and runs the
Fury or PyPA publish step directly (not via a composite), so
`github.action_repository` resolves correctly.
- Delete the unused `upload_wheel` composite action.
- Drop the broken upload-artifact step inside `build_windows_wheel`.
- Remove the bogus `vcpkg_token` input.
- Fury upload now loops over all wheels instead of just the first.
- Bump `actions/checkout`, `actions/upload-artifact`,
`actions/download-artifact` to current major versions (Node 24) to clear
deprecation warnings.
- Bump Windows job timeout 60 → 90 minutes; previous run was
cancel-timing-out on a 60m cap.
- Use `rust-lld` as the Windows MSVC linker via
`CARGO_TARGET_X86_64_PC_WINDOWS_MSVC_LINKER`. `link.exe` is
single-threaded and the long pole on Windows builds.

Fixes #3445

## Test plan

- [x] Open this PR — `paths` filter triggers a dry-run build on all
three platforms.
- [x] Verify all three builds produce wheels.
- [x] Confirm the `pypa/gh-action-pypi-publish` container actually
starts (the actions/runner#2473 bug) via the `publish-dry-run` job
pointed at TestPyPI.
- [x] **REMOVE BEFORE MERGE**: drop the `publish-dry-run` job and the
now-redundant `actions/upload-artifact` runs on PRs (currently always-on
so the dry-run has wheels to publish).
- [ ] After merge, cherry-pick onto `python-v0.32.0` and force-push the
tag to re-trigger the publish.
2026-05-27 13:43:42 -07:00
LanceDB Robot
e77a62e35a chore: update lance dependency to v7.1.0-beta.4 (#3450)
## Summary

- Updates Lance Rust workspace dependencies to `v7.1.0-beta.4` using
`ci/set_lance_version.py`.
- Updates the Java `lance-core` dependency property to `7.1.0-beta.4`.
- Triggering Lance tag:
https://github.com/lance-format/lance/releases/tag/v7.1.0-beta.4

## Verification

- `cargo clippy --workspace --tests --all-features -- -D warnings`
- `cargo fmt --all`

Co-authored-by: Daniel Rammer <hamersaw@protonmail.com>
2026-05-27 08:45:28 -05:00
Will Jones
a9f49c8150 fix: allow appending arrow.json data into lance.json tables (#3429)
When a table is created with `pa.json_()` (PyArrow's JSON extension
type),
it is stored internally as `lance.json` (LargeBinary with `lance.json`
extension metadata). Calling `table.add()` with `pa.json_()` data failed
with:

```
RuntimeError: lance error: Append with different schema:
  `data` should have type json but type was large_binary
```

`build_field_exprs` in `rust/lancedb/src/table/datafusion/cast.rs` saw
that
the input field (`Utf8` with `arrow.json` metadata) differed from the
table
field (`LargeBinary` with `lance.json` metadata). Since
`can_cast_types(Utf8, LargeBinary)` is true, it inserted a DataFusion
`Utf8 → LargeBinary` cast. That cast preserved the input field's
`arrow.json`
extension metadata instead of adopting the table's `lance.json`
metadata, so
lance-core detected a schema mismatch and rejected the append.

This adds a special case in `build_field_exprs`: when the input is
`arrow.json` and the table field is `lance.json`, the expression is
passed
through unchanged. Lance-core's write path already handles the
`arrow.json → lance.json` conversion (including JSONB encoding), so no
DataFusion cast is needed.

Fixes #3144

Continues #3291 from a fork (the original author's branch could not be
pushed to). The original commits are preserved; an additional commit
fixes
the CI failures on that PR — formatting, a missing trait import, and
read-back assertions that assumed binary storage when a lance.json
column
is read back as `Utf8`.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

---------

Co-authored-by: yunju.lly <yunju.lly@antgroup.com>
Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-26 19:24:28 -07:00
Jack Ye
a7d9f2e99d fix: remove primary key constraint from MemWAL bucket sharding (#3435)
## Summary

- Bump lance dependency from `v7.0.0-beta.13` to `v7.0.0-rc.1`
- Remove PK constraint from `LsmWriteSpec::Bucket` docs and
`Table::set_lsm_write_spec` docs
- Remove test assertions that expected rejection when no PK is set or
when bucket column != PK

Closes https://github.com/lance-format/lance/issues/6917
2026-05-26 17:35:28 -07:00
devteamaegis
7dba793629 fix(rerankers): inverted scores and incorrect missing-FTS penalty in LinearCombinationReranker (#3437)
## Problem

`LinearCombinationReranker.merge_results` has two related bugs that make
it return **inverted relevance rankings** — the least relevant document
ranks first (closes #3154).

### Bug 1 — `_combine_score` subtracts from 1, inverting the final
ranking

```python
def _combine_score(self, vector_score, fts_score):
    return 1 - (self.weight * vector_score + (1 - self.weight) * fts_score)
```

Both `vector_score` (already converted via `_invert_score`) and
`fts_score` (BM25 relevance) are in **higher-is-better** space. Wrapping
the weighted average in `1 - (...)` flips the direction: a perfectly
matching document (`vector_score=1, fts_score=1`) gets `_relevance_score
= 0.0`, while a non-matching document gets a high score.

### Bug 2 — Documents missing an FTS score are rewarded, not penalised

```python
fts_score = result.get("_score", fill)  # fill=1.0 by default
```

When a document has no FTS match, `fts_score = fill = 1.0`. In
`_combine_score` (with the bug-1 formula), this large value becomes a
**negative penalty** via `1 - (... + 0.3 * 1.0)`, counterintuitively
*boosting* the document's score. By contrast, missing vector results
correctly receive `_invert_score(fill) = 0.0` (penalised).

## Fix

**Bug 1** — remove the `1 -` inversion from `_combine_score`:

```python
def _combine_score(self, vector_score, fts_score):
    return self.weight * vector_score + (1 - self.weight) * fts_score
```

**Bug 2** — use `1 - fill` for missing FTS scores so both penalties are
symmetric (mirror of what `_invert_score(fill)` already does for missing
vector scores):

```python
fts_score = result.get("_score", 1 - fill)  # was: fill
```

With `fill=1.0` (default): `1 - 1.0 = 0.0` — missing-FTS entries
contribute `0` to the FTS term, identical to how missing-vector entries
contribute `0` to the vector term.

## Verification

Concrete example from the issue. With `weight=0.7`, `fill=1.0`:

| Document | `_distance` | `_score` | Old `_relevance_score` | New
`_relevance_score` |

|----------|-------------|----------|------------------------|------------------------|
| `apple orange` | 0.0 (best) | 2.41 (only FTS) | 0.30 (**wrong: ranked
2nd**) | 1.42 (**correct: ranked 1st**) |
| `banana grape` | 0.9999 (worst) | — | 0.70 (**wrong: ranked 1st**) |
0.00 (**correct: ranked last**) |

## Tests

Two regression tests added to `python/python/tests/test_rerankers.py`:

- `test_linear_combination_best_match_ranks_first` — the document with
the smallest distance **and** an FTS match must have the highest
`_relevance_score`.
- `test_linear_combination_missing_fts_is_penalised` — a document with
any FTS score must beat an otherwise-equal document with no FTS match.

---------

Co-authored-by: Will Jones <willjones127@gmail.com>
2026-05-26 15:26:34 -07:00
dependabot[bot]
87bd6694b6 chore(deps): bump the rust-minor-patch group across 1 directory with 2 updates (#3440)
Bumps the rust-minor-patch group with 2 updates in the / directory:
[serde_json](https://github.com/serde-rs/json) and
[aws-smithy-runtime](https://github.com/smithy-lang/smithy-rs).

Updates `serde_json` from 1.0.149 to 1.0.150
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/serde-rs/json/releases">serde_json's
releases</a>.</em></p>
<blockquote>
<h2>v1.0.150</h2>
<ul>
<li>Reject non-string enum object keys (<a
href="https://redirect.github.com/serde-rs/json/issues/1324">#1324</a>,
thanks <a
href="https://github.com/puneetdixit200"><code>@​puneetdixit200</code></a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="a1ae73ac6a"><code>a1ae73a</code></a>
Release 1.0.150</li>
<li><a
href="1a360b0a6c"><code>1a360b0</code></a>
Merge pull request <a
href="https://redirect.github.com/serde-rs/json/issues/1324">#1324</a>
from puneetdixit200/reject-non-string-enum-keys</li>
<li><a
href="2037b634f9"><code>2037b63</code></a>
Reject non-string enum object keys</li>
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href="5d30df60e9"><code>5d30df6</code></a>
Resolve manual_assert_eq pedantic clippy lint</li>
<li><a
href="dc8003a88e"><code>dc8003a</code></a>
Raise required compiler for preserve_order feature to 1.85</li>
<li><a
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Unpin CI miri toolchain</li>
<li><a
href="684a60eba1"><code>684a60e</code></a>
Pin CI miri to nightly-2026-02-11</li>
<li><a
href="7c7da3302b"><code>7c7da33</code></a>
Raise required compiler to Rust 1.71</li>
<li><a
href="acf4850e29"><code>acf4850</code></a>
Simplify Number::is_f64</li>
<li><a
href="6b8ceab565"><code>6b8ceab</code></a>
Resolve unnecessary_map_or clippy lint</li>
<li>Additional commits viewable in <a
href="https://github.com/serde-rs/json/compare/v1.0.149...v1.0.150">compare
view</a></li>
</ul>
</details>
<br />

Updates `aws-smithy-runtime` from 1.11.1 to 1.11.3
<details>
<summary>Commits</summary>
<ul>
<li>See full diff in <a
href="https://github.com/smithy-lang/smithy-rs/commits">compare
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</details>
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