diff --git a/.github/workflows/build-publish-rh-image.yml b/.github/workflows/build-publish-rh-image.yml
index e36473f2aa..dcb223b534 100644
--- a/.github/workflows/build-publish-rh-image.yml
+++ b/.github/workflows/build-publish-rh-image.yml
@@ -63,6 +63,7 @@ jobs:
           push: true
           build-args: |
             features=ee_rhel
+            WM_BUILD_VERSION=${{ github.sha }}
           secrets: |
             rh_username=${{ secrets.RH_USERNAME }}
             rh_password=${{ secrets.RH_PASSWORD }}
diff --git a/.github/workflows/build-publish-rh8-image.yml b/.github/workflows/build-publish-rh8-image.yml
index b7a7196077..7c820eb290 100644
--- a/.github/workflows/build-publish-rh8-image.yml
+++ b/.github/workflows/build-publish-rh8-image.yml
@@ -65,6 +65,7 @@ jobs:
           push: true
           build-args: |
             features=ee_rhel
+            WM_BUILD_VERSION=${{ github.sha }}
           secrets: |
             rh_username=${{ secrets.RH_USERNAME }}
             rh_password=${{ secrets.RH_PASSWORD }}
@@ -82,6 +83,7 @@ jobs:
           push: true
           build-args: |
             features=ee_rhel
+            WM_BUILD_VERSION=${{ github.sha }}
           secrets: |
             rh_username=${{ secrets.RH_USERNAME }}
             rh_password=${{ secrets.RH_PASSWORD }}
diff --git a/.github/workflows/docker-image-rpi4.yml b/.github/workflows/docker-image-rpi4.yml
index 4a7fc2a874..fa5f4ba3fe 100644
--- a/.github/workflows/docker-image-rpi4.yml
+++ b/.github/workflows/docker-image-rpi4.yml
@@ -68,6 +68,7 @@ jobs:
           push: true
           build-args: |
             features=ce_rpi
+            WM_BUILD_VERSION=${{ github.sha }}
           tags: |
             ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:dev
             ${{ steps.meta-public.outputs.tags }}
diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index bdc53a6f22..433f3a86b3 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -93,6 +93,7 @@ jobs:
           push: true
           build-args: |
             features=ce
+            WM_BUILD_VERSION=${{ github.sha }}
           tags: |
             ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.DEV_SHA }}
             ${{ steps.meta-public.outputs.tags }}
@@ -155,6 +156,7 @@ jobs:
           push: true
           build-args: |
             features=ee
+            WM_BUILD_VERSION=${{ github.sha }}
           tags: |
             ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-ee:${{ env.DEV_SHA }}
             ${{ steps.meta-ee-public.outputs.tags }}
@@ -254,6 +256,7 @@ jobs:
           target: debuginfo
           build-args: |
             features=ee
+            WM_BUILD_VERSION=${{ github.sha }}
           outputs: type=local,dest=./debuginfo
 
       - name: Rename debug file with corresponding architecture
diff --git a/Dockerfile b/Dockerfile
index 83bf4c8513..b0b429803e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -79,6 +79,8 @@ COPY /python-client/docs/ /frontend/static/pydocs/
 RUN npm run generate-backend-client
 ENV NODE_OPTIONS "--max-old-space-size=8192"
 ARG VITE_BASE_URL ""
+# Must be declared for the build-arg to reach the bundle. See frontend/svelte.config.js.
+ARG WM_BUILD_VERSION=""
 # Read more about macro in docker/dev.nu
 # -- MACRO-SPREAD-WASM-PARSER-DEV-ONLY -- #
 RUN npm run build
diff --git a/docker/RHEL8/Dockerfile b/docker/RHEL8/Dockerfile
index 57b74b75af..1af03cc5f4 100644
--- a/docker/RHEL8/Dockerfile
+++ b/docker/RHEL8/Dockerfile
@@ -41,6 +41,8 @@ COPY /python-client/docs/ /frontend/static/pydocs/
 
 RUN npm run generate-backend-client
 ENV NODE_OPTIONS "--max-old-space-size=8192"
+# Must be declared for the build-arg to reach the bundle. See frontend/svelte.config.js.
+ARG WM_BUILD_VERSION=""
 RUN npm run build
 
 
diff --git a/docker/RHEL9/Dockerfile b/docker/RHEL9/Dockerfile
index 21816ba8a5..9ab5c78318 100644
--- a/docker/RHEL9/Dockerfile
+++ b/docker/RHEL9/Dockerfile
@@ -41,6 +41,8 @@ COPY /python-client/docs/ /frontend/static/pydocs/
 
 RUN npm run generate-backend-client
 ENV NODE_OPTIONS "--max-old-space-size=8192"
+# Must be declared for the build-arg to reach the bundle. See frontend/svelte.config.js.
+ARG WM_BUILD_VERSION=""
 RUN npm run build
 
 
diff --git a/frontend/svelte.config.js b/frontend/svelte.config.js
index 4b318efcd5..1752fed97c 100644
--- a/frontend/svelte.config.js
+++ b/frontend/svelte.config.js
@@ -1,6 +1,12 @@
 import preprocess from 'svelte-preprocess'
 import adapter from '@sveltejs/adapter-static'
 import { preprocessMeltUI, sequence } from '@melt-ui/pp'
+import { readFileSync } from 'fs'
+import { fileURLToPath } from 'url'
+
+const pkg = JSON.parse(
+	readFileSync(fileURLToPath(new URL('package.json', import.meta.url)), 'utf8')
+)
 
 /** @type {import('@sveltejs/kit').Config} */
 const config = {
@@ -23,6 +29,11 @@ const config = {
 						assets: 'build',
 						fallback: '200.html'
 					}),
+		// Same for every build of one revision (SvelteKit's Date.now() default is not, so
+		// the per-architecture images disagreed on content-hashed asset filenames and
+		// mixed-arch clusters 404ed on each other's chunks), and different between
+		// revisions (SvelteKit only full-page reloads on a missing chunk if this changed).
+		version: { name: process.env.WM_BUILD_VERSION || pkg.version },
 		prerender: { entries: [] },
 		paths: {
 			base: process.env.VITE_BASE_URL ?? ''