svelte@5.1.0

Minor Changes

• feat: export mount() options as the MountOptions type (#13674)

• feat: allow usage of getContext() within $derived runes (#13830)

Patch Changes

• fix: properly migrate ts with inferred type comments (#13761)

• fix: correct property name conversion in custom transitions (#13820)

• fix: ensure $effect.tracking returns false inside transition functions (#13775)

• fix: migrate default slots to children snippet (#13760)

• fix: don't print errors on migration errors (#13754)

• fix: prevent spread attribute from overriding class directive (#13763)

• fix: ensure :has selectors followed by other selectors match (#13824)

• fix: ensure muted DOM property works correctly in FF (#13751)

• fix: show filename information in legacy_recursive_reactive_block (#13764)

svelte@5.0.5

Patch Changes

• fix: mark :has selectors with multiple preceding selectors as used (#13750)

• fix: ensure event context is reset before invoking callback (#13737)

• fix: add more robust check for Element prototype (#13744)

• fix: do not comment out unused selectors that are inside an unused selector (#13746)

• fix: more accurately detect $derived migration opportunities (#13740)

• fix: @debug does not work with proxied-state (#13690)

• fix: do not add jsdoc if no types found (#13738)

svelte@5.0.4

Patch Changes

• fix: webview preload tag can be any string (#13733)

• fix: better children snippet / default slot interop (#13734)

svelte@5.0.3

Patch Changes

• chore: ensure transition events are dispatched without current reaction (#13719)

svelte@5.0.2

Patch Changes

• fix: don't blank css on migration error (#13703)

svelte@5.0.1

Patch Changes

• fix: use typedef for JSDoc props and maintain comments (#13698)

svelte@5.0.0

A new major version of Svelte has been released! 🎉

The new version brings:

• even better performance,
• a more granular reactivity system with runes,
• more expressive template syntax with snippets and event attributes,
• native TypeScript support,
• and backwards compatibility with the previous syntax!

For more details check out the Svelte docs and the migration guide.

svelte@5.0.0-next.272

Patch Changes

• fix: ensure user effects are correctly executed on initialisation (#13697)

• breaking: state mutations inside the template are no longer allowed (#13660)

svelte@5.0.0-next.271

Patch Changes

• fix: avoid chromium issue with dispatching blur on element removal (#13694)

svelte@5.0.0-next.270

Patch Changes

• fix: bail out if slot name changes and $slots assigned to variable (#13678)

• feat: add migration-task for impossible to migrate slots (#13658)

• feat: tell users of @migration-task (#13668)

• fix: correct migration of uninitialised state (#13673)

• fix: ensure migrate correctly handles named slots (#13676)

• feat: add migration-task comment after errors (#13659)

• fix: migrate reactive statements with inner blocks (#13675)

• fix: migrating rest props type includes props types (#13632)

• fix: migrated snippet shadowing prop and let directive removal (#13679)

• chore: CompileDiagnostic no longer extends Error (#13651)

• fix: reset reset_element in render to prevent runtime error (#13669)