Svelte Release Notes
181 release notes curated from 28 sources by the Releasebot Team. Last updated: Nov 11, 2026
Svelte Products
- Nov 10, 2026
- Date parsed from source:Nov 10, 2026
- First seen by Releasebot:Nov 11, 2026
@sveltejs/[email protected]
SvelteKit improves navigation, data requests, remote functions, and asset handling, while making development logs more useful with clickable remote function links and reducing unnecessary module reloads.
Minor Changes
- feat: Add clickable links to remote function invocation in dev server logs (#17547)
Patch Changes
- fix: reject URL inputs in resolve (#17627)
- fix: respond with JSON instead of rendering the error page for a __data.json request to a missing route (#17630)
- fix: resolve relative paths against the page URL in data requests when paths.relative is true (#17630)
- fix: reject binary remote forms referencing files with an empty file-offset table as 400 Bad Request (#17579)
- fix: correctly populate route and params for afterNavigate during hydration (#17577)
- fix: include assets imported through dynamic imports, remote functions and param matchers in builder.findServerAssets so that read can find them (#17505)
- fix: set navigation.from to null in afterNavigate on start when SSR is disabled (#17587)
- fix: include remote function name and declaration file in schema validation failure logs (#17495)
- fix: reuse SSR results of remote functions from packages during hydration in dev (#17604)
- fix: remove empty type output directories for removed routes (#17472)
- fix: use the UTF-8 byte length when reading inline assets (#17590)
- chore: simplify a few server and build helpers (#17531)
- fix: ignore the query string and hash of an imported asset's URL when using read (#17507)
- fix: avoid reloading unrelated server modules when saving files during development (#17462)
- Nov 10, 2026
- Date parsed from source:Nov 10, 2026
- First seen by Releasebot:Nov 11, 2026
@sveltejs/[email protected]
SvelteKit fixes imported script images by calculating missing width or height at runtime instead of outputting NaN.
Patch Changes
- fix: compute the missing width or height at runtime for images imported in the script, instead of outputting NaN (#17499)
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- Nov 10, 2026
- Date parsed from source:Nov 10, 2026
- First seen by Releasebot:Nov 11, 2026
@sveltejs/[email protected]
SvelteKit 3.2.0 fixes support for all Node.js 26+ versions and serving prerendered pages with a configured base path.
Patch Changes
- fix: accept every Node.js version from 26 (nodejs27.x, nodejs28.x, ...), not only even ones (#17584)
- fix: serve prerendered pages when paths.base is set (#17525)
Updated dependencies
- @sveltejs/[email protected]
- Nov 10, 2026
- Date parsed from source:Nov 10, 2026
- First seen by Releasebot:Nov 11, 2026
@sveltejs/[email protected]
SvelteKit 3.2.0 fixes static asset HEAD requests, prevents crashes on unexpected request failures, and supports the ORIGIN environment variable.
Patch Changes
- fix: ignore Range headers on HEAD requests for static assets (#17602)
- fix: respond with a 500 instead of crashing the server when handling a request fails unexpectedly (#17696)
- fix: support the ORIGIN environment variable when paths.origin is not set (#17632)
Updated dependencies:
- @sveltejs/[email protected]
- Nov 10, 2026
- Date parsed from source:Nov 10, 2026
- First seen by Releasebot:Nov 11, 2026
@sveltejs/[email protected]
SvelteKit improves file serving for encoded paths and special-character filenames, boosts Bun performance for immutable files, and supports the ORIGIN environment variable.
Patch Changes
- fix: serve client and prerendered files whichever way the request path is percent-encoded, and allow * and a leading : in their filenames (#17123)
- perf: let Bun serve immutable files without calling into JavaScript (#17123)
- fix: support the ORIGIN environment variable when paths.origin is not set (#17632)
Updated dependencies:
- @sveltejs/[email protected]
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- Nov 10, 2026
- Date parsed from source:Nov 10, 2026
- First seen by Releasebot:Nov 11, 2026
@sveltejs/[email protected]
SvelteKit fixes adapter detection to apply the detected adapter’s Vite configuration and plugins.
Patch Changes
- fix: apply the Vite config and plugins of the detected adapter (#17572)
Updated dependencies:
- @sveltejs/[email protected]
- Nov 5, 2026
- Date parsed from source:Nov 5, 2026
- First seen by Releasebot:Nov 6, 2026
@sveltejs/[email protected]
SvelteKit fixes malformed path handling, prerendered page security, cross-origin route resolution, and redirect behavior in server-side fetches.
Patch Changes
- fix: return a 400 response instead of throwing when reroute rewrites a malformed pathname (#17620)
- fix: escape cache-control headers in prerendered HTML (#17620)
- fix: prevent path traversal when previewing prerendered pages and data on Windows (#17620)
- fix: prevent server-side route resolution from loading code from another origin for pathnames starting with // (#17620)
- fix: prevent server-side self-fetch fallbacks from following redirects (#17620)
- Nov 5, 2026
- Date parsed from source:Nov 5, 2026
- First seen by Releasebot:Nov 6, 2026
@sveltejs/[email protected]
SvelteKit fixes Node.js version support and escaped prerendered paths in Vercel route patterns.
Patch Changes
- fix: accept every Node.js version from 26 (nodejs27.x, nodejs28.x, ...), not only even ones (#17585)
- fix: escape prerendered paths used in Vercel route patterns (#17620)
- fix: support Node.js 26 (nodejs26.x) and future even Node.js versions (#17580)
Updated dependencies [0a2e58c, 0a2e58c, 0a2e58c, 0a2e58c, 0a2e58c]:
- @sveltejs/[email protected]
- Nov 5, 2026
- Date parsed from source:Nov 5, 2026
- First seen by Releasebot:Nov 6, 2026
@sveltejs/[email protected]
SvelteKit fixes escaping of prerendered paths in Vercel route patterns in a patch release.
Patch Changes
- fix: escape prerendered paths used in Vercel route patterns (#17620)
- Updated dependencies [0a2e58c, 0a2e58c, 0a2e58c, 0a2e58c, 0a2e58c]:
- @sveltejs/[email protected]
- Nov 5, 2026
- Date parsed from source:Nov 5, 2026
- First seen by Releasebot:Nov 6, 2026
@sveltejs/[email protected]
SvelteKit fixes server crashes when text/event-stream responses have immutable headers.
Patch Changes
- fix: avoid crashing the server when a text/event-stream response has immutable headers (#17620)
Updated dependencies [0a2e58c, 0a2e58c, 0a2e58c, 0a2e58c, 0a2e58c]:
- @sveltejs/[email protected]
- Nov 5, 2026
- Date parsed from source:Nov 5, 2026
- First seen by Releasebot:Nov 6, 2026
@sveltejs/[email protected]
SvelteKit fixes unintended redirect and route rules generated from prerendered paths.
Patch Changes
- fix: prevent prerendered paths from creating unintended rules in _redirects and _routes.json (#17620)
- Updated dependencies [0a2e58c, 0a2e58c, 0a2e58c, 0a2e58c, 0a2e58c]:
- @sveltejs/[email protected]
- Oct 29, 2026
- Date parsed from source:Oct 29, 2026
- First seen by Releasebot:Nov 2, 2026
@sveltejs/[email protected]
SvelteKit fixes packaging hangs caused by preprocessors and updates its Chokidar dependency.
Patch Changes
- chore(deps): update dependency chokidar to v6 (#17514)
- fix: exit after packaging when preprocessors leave resources running (#17497)
- Oct 29, 2026
- Date parsed from source:Oct 29, 2026
- First seen by Releasebot:Nov 2, 2026
@sveltejs/[email protected]
SvelteKit improves reliability and security with fixes for malformed reroutes, server-side route resolution, browser imports, remote forms, reload behavior, and development tooling.
Patch Changes
- fix: return a 400 response instead of throwing when reroute rewrites a malformed pathname (1d21a3b)
- fix: restore function snapshots on reload when SSR is disabled (#17477)
- fix: prevent separate non-exported query.batch functions from sharing a batch (3529813)
- fix: reuse the original fetch across dev server reloads (#17548)
- fix: avoid adding a file watcher while loading src/env (#17502)
- fix: parse remote form submissions in linear time (d593e7e)
- fix: prevent server-side route resolution from loading code from another origin for pathnames starting with // (dd63fd1)
- fix: preserve service worker sourcemaps when injecting env (#17566)
- fix: prevent server-only modules from being imported into browser code via src/params.js (ae07803)
- fix: avoid injecting a non-serializable TypeScript config callback by default (#17512)
- fix: report actionable errors for remote modules in server-only locations (#17567)
- Oct 29, 2026
- Date parsed from source:Oct 29, 2026
- First seen by Releasebot:Nov 2, 2026
@sveltejs/[email protected]
SvelteKit fixes escaped prerendered paths in Vercel route patterns and adds support for Node.js 26 and future even-numbered releases.
Patch Changes
- fix: escape prerendered paths used in Vercel route patterns (8a81718)
- fix: support Node.js 26 (nodejs26.x) and future even Node.js versions (#17570)
Updated dependencies
- @sveltejs/[email protected]
- Oct 29, 2026
- Date parsed from source:Oct 29, 2026
- First seen by Releasebot:Nov 2, 2026
@sveltejs/[email protected]
SvelteKit fixes escaping of prerendered paths in Vercel route patterns in version 3.1.1.
Patch Changes
fix: escape prerendered paths used in Vercel route patterns (8a81718)
Updated dependencies:
Original source
@sveltejs/[email protected]
Curated by the Releasebot team
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