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fix: accept onfocusin/onfocusout in a11y_mouse_events_have_key_events - #18689

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giaBaoJS:fix/a11y-mouse-events-focusin-focusout
Aug 24, 2026
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giaBaoJS:fix/a11y-mouse-events-focusin-focusout

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@giaBaoJS

@giaBaoJS giaBaoJS commented Aug 23, 2026 •

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Fixes #8089

a11y_mouse_events_have_key_events currently accepts only focus as a partner for mouseover and only blur as a partner for mouseout. But focus and blur do not bubble, so an element that is not itself focusable — the common case for a hover-triggered tooltip wrapper, a <div>, a heading — can never receive them. The bubbling equivalents are focusin and focusout.

The result is that correct markup gets warned about, and the only way to silence the warning is to attach a handler that can never fire:

<!-- warns today, even though this is the accessible version -->
<h1 onmouseover={show} onfocusin={show}>Hello</h1>

<!-- doesn't warn, but `onfocus` never fires on a non-focusable <h1> -->
<h1 onmouseover={show} onfocus={show}>Hello</h1>

This widens the check to treat focusin/focusout as satisfying the rule, which is what @f-elix suggested on the issue. No new API and no new warnings — it strictly removes false positives; markup with neither focus nor focusin still warns.

Changes

  • a11y/index.js: accept focusin alongside focus, and focusout alongside blur
  • messages/compile-warnings/a11y.md: document the accepted alternatives (+ regenerated documentation/docs/98-reference/.generated/compile-warnings.md via pnpm generate)
  • Two cases added to the a11y-mouse-events-have-key-events validator sample

Test plan

FILTER=a11y-mouse-events-have-key-events pnpm test packages/svelte/tests/validator/test.ts
#  Tests  3 passed | 3 skipped (6)

pnpm test
#  Test Files  34 passed (34)
#  Tests  7753 passed | 69 skipped (7822)

pnpm lint          # clean
pnpm --filter svelte check   # clean

The new fixture cases fail without the source change (the compiler emits two unexpected a11y_mouse_events_have_key_events warnings on lines 21 and 23), and the two pre-existing cases — <div onmouseover> and <div onmouseout> with no focus partner at all — still warn, so the rule is not simply disabled.

@pkg-svelte-dev

pkg-svelte-dev Bot commented Aug 23, 2026 •

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Install the latest version of svelte from 3779ae6:

pnpm add https://pkg.svelte.dev/svelte/c/3779ae67a59414cdc33e250d6b714c32fdb42e27

Open in pkg.svelte.dev: https://pkg.svelte.dev/repos/svelte/pr/18689

Note

This PR is from a fork. A maintainer must approve approve each commit before it can be built and installed.

@changeset-bot

changeset-bot Bot commented Aug 23, 2026 •

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🦋 Changeset detected

Latest commit: 3779ae6

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package
Name Type
svelte Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

@dummdidumm dummdidumm left a comment

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thank you

Comment thread documentation/docs/98-reference/.generated/compile-warnings.md Outdated
Comment thread packages/svelte/messages/compile-warnings/a11y.md Outdated
Co-authored-by: Simon H <5968653+dummdidumm@users.noreply.github.com>
@dummdidumm
dummdidumm merged commit 1be496f into sveltejs:main Aug 24, 2026
11 of 12 checks passed
@github-actions github-actions Bot mentioned this pull request Aug 24, 2026
dummdidumm pushed a commit that referenced this pull request Aug 28, 2026
This PR was opened by the [Changesets
release](https://github.com/changesets/action) GitHub action. When
you're ready to do a release, you can merge this and the packages will
be published to npm automatically. If you're not ready to do a release
yet, that's fine, whenever you add more changesets to main, this PR will
be updated.


# Releases
## svelte@5.57.0

### Minor Changes

- feat: export `RenderOutput`, `SyncRenderOutput`, `Csp` and
`Sha256Source` from `svelte/server`
([#18648](#18648))

- feat: add `has` function to `createContext`
([#18472](#18472))

- feat: support `defaultValue` on `<select>`
([#18591](#18591))

- feat: add getOrInsert/getOrInsertComputed to SvelteMap
([#18728](#18728))

### Patch Changes

- fix: block template store subscriptions on the promise that assigns
the store ([#18582](#18582))

- fix: route $derived teardown errors through invoke_error_boundary
([#18486](#18486))

- fix: track SvelteDate snapshots in reactions
([#18700](#18700))

- fix: remove `<svelte:head>` anchors on unmount
([#18697](#18697))

- fix: warn on undeclared shorthand event handlers on `<svelte:window>`,
`<svelte:document>` and `<svelte:body>`
([#18480](#18480))

- perf: reuse the cached value in the `<option>`/`<select>` value guard
([#18713](#18713))

- fix: prevent malformed AST output for `<select>` with static `value`
attribute ([#18449](#18449))

- fix: apply ownership mutation ignores to binding assignments
([#18718](#18718))

- fix: prevent onoutroend from firing twice when compilerOptions.hmr is
true ([#18655](#18655))

- fix: preserve whitespace after inline elements when printing
([#18685](#18685))

- perf: fold SSR block-open markers into the branch's first push
([#18712](#18712))

- fix: run `onDestroy` callbacks when a server render throws
([#18585](#18585))

- fix: report `derived_invalid_export` for `export let x =
$derived(...)` in runes mode
([#18692](#18692))

- fix: never apply class hash to elements inside `<svelte:head>`
([#18160](#18160))

- fix: keep `defaultChecked` on hydrated radio inputs with spread
attributes ([#18701](#18701))

- fix: accept `onfocusin`/`onfocusout` in
`a11y_mouse_events_have_key_events`
([#18689](#18689))

- perf: O(n²)→O(n) Map lookups for legacy `$:` reactive statement
ordering ([#18602](#18602))

- fix: distinct memoizer on style/class directives
([#18466](#18466))

- fix: measure nested transitions before applying their starting styles
([#18647](#18647))

- fix: don't turn component instances stored in `$state` into state
proxies ([#18646](#18646))

- perf: emit `$.only_child` for elements with a single child
([#18717](#18717))

- fix: omit `bind:focused` from SSR output (it has no HTML attribute)
([#18724](#18724))

- fix: more robust rendering of Svelte custom element slots
([#18710](#18710))

- perf: optimize simple object destructuring in `@const` tags
([#18390](#18390))

- fix: properly apply static textarea value attribute during CSR
([#18727](#18727))

- fix: end a restored reaction context at the end of its synchronous
segment ([#18694](#18694))

- fix: keep the dependencies of a reaction that throws, so deriveds it
read are neither leaked nor stuck in their error
([#18703](#18703))

- fix: don't resurrect outroing elements when an ancestor block is
paused and resumed
([#18431](#18431))

- perf: use `$.comment()` for single-comment templates
([#18714](#18714))

- chore: move `@types/trusted-types` to devDependencies
([#18730](#18730))

- perf: store setters cache as `Set` instead of `Array`
([#18251](#18251))

- fix: transform derived assignments and select function bindings
correctly during server-side rendering
([#18669](#18669))

- fix: keep boolean attributes with an empty string value when rendering
attribute objects on the server
([#18721](#18721))

- fix: sync `SvelteURL` port signal when the protocol setter clears the
port ([#18705](#18705))

- fix: block declaration tags and `{@const}` on async values read inside
closures ([#18533](#18533))

- fix: avoid css tree-shaking for exported Snippet
([#18540](#18540))

- perf: treat `<img loading>` as a static element again
([#18711](#18711))

- fix: prevent `selectedcontent` mutation from changing the selected
option ([#18495](#18495))

- fix: avoid `NaN` keyframe values in `slide` transition for elements
without a layout box
([#18430](#18430))

- fix: preserve line feed character references in attribute values
([#18691](#18691))

- fix: decode uppercase-`X` hex numeric character references (`&#X...;`)
([#18708](#18708))

- chore: clarify when `$effect.pre` runs relative to DOM updates
([#18534](#18534))

- fix: scope SSR boundary failed snippets to their boundary
([#18593](#18593))

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
dadezzz pushed a commit to dadezzz/events-cash-register that referenced this pull request Sep 1, 2026
This PR contains the following updates:

| Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
| [svelte](https://svelte.dev) ([source](https://github.com/sveltejs/svelte/tree/HEAD/packages/svelte)) | [`5.56.10` → `5.57.0`](https://renovatebot.com/diffs/npm/svelte/5.56.10/5.57.0) | ![age](https://developer.mend.io/api/mc/badges/age/npm/svelte/5.57.0?slim=true) | ![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/svelte/5.56.10/5.57.0?slim=true) |

---

### Release Notes

<details>
<summary>sveltejs/svelte (svelte)</summary>

### [`v5.57.0`](https://github.com/sveltejs/svelte/blob/HEAD/packages/svelte/CHANGELOG.md#5570)

[Compare Source](https://github.com/sveltejs/svelte/compare/svelte@5.56.10...svelte@5.57.0)

##### Minor Changes

- feat: export `RenderOutput`, `SyncRenderOutput`, `Csp` and `Sha256Source` from `svelte/server` ([#&#8203;18648](sveltejs/svelte#18648))

- feat: add `has` function to `createContext` ([#&#8203;18472](sveltejs/svelte#18472))

- feat: support `defaultValue` on `<select>` ([#&#8203;18591](sveltejs/svelte#18591))

- feat: add getOrInsert/getOrInsertComputed to SvelteMap ([#&#8203;18728](sveltejs/svelte#18728))

##### Patch Changes

- fix: block template store subscriptions on the promise that assigns the store ([#&#8203;18582](sveltejs/svelte#18582))

- fix: route $derived teardown errors through invoke\_error\_boundary ([#&#8203;18486](sveltejs/svelte#18486))

- fix: track SvelteDate snapshots in reactions ([#&#8203;18700](sveltejs/svelte#18700))

- fix: remove `<svelte:head>` anchors on unmount ([#&#8203;18697](sveltejs/svelte#18697))

- fix: warn on undeclared shorthand event handlers on `<svelte:window>`, `<svelte:document>` and `<svelte:body>` ([#&#8203;18480](sveltejs/svelte#18480))

- perf: reuse the cached value in the `<option>`/`<select>` value guard ([#&#8203;18713](sveltejs/svelte#18713))

- fix: prevent malformed AST output for `<select>` with static `value` attribute ([#&#8203;18449](sveltejs/svelte#18449))

- fix: apply ownership mutation ignores to binding assignments ([#&#8203;18718](sveltejs/svelte#18718))

- fix: prevent onoutroend from firing twice when compilerOptions.hmr is true ([#&#8203;18655](sveltejs/svelte#18655))

- fix: preserve whitespace after inline elements when printing ([#&#8203;18685](sveltejs/svelte#18685))

- perf: fold SSR block-open markers into the branch's first push ([#&#8203;18712](sveltejs/svelte#18712))

- fix: run `onDestroy` callbacks when a server render throws ([#&#8203;18585](sveltejs/svelte#18585))

- fix: report `derived_invalid_export` for `export let x = $derived(...)` in runes mode ([#&#8203;18692](sveltejs/svelte#18692))

- fix: never apply class hash to elements inside `<svelte:head>` ([#&#8203;18160](sveltejs/svelte#18160))

- fix: keep `defaultChecked` on hydrated radio inputs with spread attributes ([#&#8203;18701](sveltejs/svelte#18701))

- fix: accept `onfocusin`/`onfocusout` in `a11y_mouse_events_have_key_events` ([#&#8203;18689](sveltejs/svelte#18689))

- perf: O(n²)→O(n) Map lookups for legacy `$:` reactive statement ordering ([#&#8203;18602](sveltejs/svelte#18602))

- fix: distinct memoizer on style/class directives ([#&#8203;18466](sveltejs/svelte#18466))

- fix: measure nested transitions before applying their starting styles ([#&#8203;18647](sveltejs/svelte#18647))

- fix: don't turn component instances stored in `$state` into state proxies ([#&#8203;18646](sveltejs/svelte#18646))

- perf: emit `$.only_child` for elements with a single child ([#&#8203;18717](sveltejs/svelte#18717))

- fix: omit `bind:focused` from SSR output (it has no HTML attribute) ([#&#8203;18724](sveltejs/svelte#18724))

- fix: more robust rendering of Svelte custom element slots ([#&#8203;18710](sveltejs/svelte#18710))

- perf: optimize simple object destructuring in `@const` tags ([#&#8203;18390](sveltejs/svelte#18390))

- fix: properly apply static textarea value attribute during CSR ([#&#8203;18727](sveltejs/svelte#18727))

- fix: end a restored reaction context at the end of its synchronous segment ([#&#8203;18694](sveltejs/svelte#18694))

- fix: keep the dependencies of a reaction that throws, so deriveds it read are neither leaked nor stuck in their error ([#&#8203;18703](sveltejs/svelte#18703))

- fix: don't resurrect outroing elements when an ancestor block is paused and resumed ([#&#8203;18431](sveltejs/svelte#18431))

- perf: use `$.comment()` for single-comment templates ([#&#8203;18714](sveltejs/svelte#18714))

- chore: move `@types/trusted-types` to devDependencies ([#&#8203;18730](sveltejs/svelte#18730))

- perf: store setters cache as `Set` instead of `Array` ([#&#8203;18251](sveltejs/svelte#18251))

- fix: transform derived assignments and select function bindings correctly during server-side rendering ([#&#8203;18669](sveltejs/svelte#18669))

- fix: keep boolean attributes with an empty string value when rendering attribute objects on the server ([#&#8203;18721](sveltejs/svelte#18721))

- fix: sync `SvelteURL` port signal when the protocol setter clears the port ([#&#8203;18705](sveltejs/svelte#18705))

- fix: block declaration tags and `{@const}` on async values read inside closures ([#&#8203;18533](sveltejs/svelte#18533))

- fix: avoid css tree-shaking for exported Snippet ([#&#8203;18540](sveltejs/svelte#18540))

- perf: treat `<img loading>` as a static element again ([#&#8203;18711](sveltejs/svelte#18711))

- fix: prevent `selectedcontent` mutation from changing the selected option ([#&#8203;18495](sveltejs/svelte#18495))

- fix: avoid `NaN` keyframe values in `slide` transition for elements without a layout box ([#&#8203;18430](sveltejs/svelte#18430))

- fix: preserve line feed character references in attribute values ([#&#8203;18691](sveltejs/svelte#18691))

- fix: decode uppercase-`X` hex numeric character references (`&#X...;`) ([#&#8203;18708](sveltejs/svelte#18708))

- chore: clarify when `$effect.pre` runs relative to DOM updates ([#&#8203;18534](sveltejs/svelte#18534))

- fix: scope SSR boundary failed snippets to their boundary ([#&#8203;18593](sveltejs/svelte#18593))

</details>

---

### Configuration

📅 **Schedule**: (UTC)

- Branch creation
  - At any time (no schedule defined)
- Automerge
  - At any time (no schedule defined)

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [Mend Renovate CLI](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0NC41Mi4xIiwidXBkYXRlZEluVmVyIjoiNDQuNTIuMSIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOltdfQ==-->
renovate Bot added a commit to cigaleapp/cigale that referenced this pull request Sep 6, 2026
##### [v5.57.0](https://github.com/sveltejs/svelte/blob/HEAD/packages/svelte/CHANGELOG.md#5570)

##### Minor Changes

- feat: export `RenderOutput`, `SyncRenderOutput`, `Csp` and `Sha256Source` from `svelte/server` ([#18648](sveltejs/svelte#18648))

- feat: add `has` function to `createContext` ([#18472](sveltejs/svelte#18472))

- feat: support `defaultValue` on `<select>` ([#18591](sveltejs/svelte#18591))

- feat: add getOrInsert/getOrInsertComputed to SvelteMap ([#18728](sveltejs/svelte#18728))

##### Patch Changes

- fix: block template store subscriptions on the promise that assigns the store ([#18582](sveltejs/svelte#18582))

- fix: route $derived teardown errors through invoke\_error\_boundary ([#18486](sveltejs/svelte#18486))

- fix: track SvelteDate snapshots in reactions ([#18700](sveltejs/svelte#18700))

- fix: remove `<svelte:head>` anchors on unmount ([#18697](sveltejs/svelte#18697))

- fix: warn on undeclared shorthand event handlers on `<svelte:window>`, `<svelte:document>` and `<svelte:body>` ([#18480](sveltejs/svelte#18480))

- perf: reuse the cached value in the `<option>`/`<select>` value guard ([#18713](sveltejs/svelte#18713))

- fix: prevent malformed AST output for `<select>` with static `value` attribute ([#18449](sveltejs/svelte#18449))

- fix: apply ownership mutation ignores to binding assignments ([#18718](sveltejs/svelte#18718))

- fix: prevent onoutroend from firing twice when compilerOptions.hmr is true ([#18655](sveltejs/svelte#18655))

- fix: preserve whitespace after inline elements when printing ([#18685](sveltejs/svelte#18685))

- perf: fold SSR block-open markers into the branch's first push ([#18712](sveltejs/svelte#18712))

- fix: run `onDestroy` callbacks when a server render throws ([#18585](sveltejs/svelte#18585))

- fix: report `derived_invalid_export` for `export let x = $derived(...)` in runes mode ([#18692](sveltejs/svelte#18692))

- fix: never apply class hash to elements inside `<svelte:head>` ([#18160](sveltejs/svelte#18160))

- fix: keep `defaultChecked` on hydrated radio inputs with spread attributes ([#18701](sveltejs/svelte#18701))

- fix: accept `onfocusin`/`onfocusout` in `a11y_mouse_events_have_key_events` ([#18689](sveltejs/svelte#18689))

- perf: O(n²)→O(n) Map lookups for legacy `$:` reactive statement ordering ([#18602](sveltejs/svelte#18602))

- fix: distinct memoizer on style/class directives ([#18466](sveltejs/svelte#18466))

- fix: measure nested transitions before applying their starting styles ([#18647](sveltejs/svelte#18647))

- fix: don't turn component instances stored in `$state` into state proxies ([#18646](sveltejs/svelte#18646))

- perf: emit `$.only_child` for elements with a single child ([#18717](sveltejs/svelte#18717))

- fix: omit `bind:focused` from SSR output (it has no HTML attribute) ([#18724](sveltejs/svelte#18724))

- fix: more robust rendering of Svelte custom element slots ([#18710](sveltejs/svelte#18710))

- perf: optimize simple object destructuring in `@const` tags ([#18390](sveltejs/svelte#18390))

- fix: properly apply static textarea value attribute during CSR ([#18727](sveltejs/svelte#18727))

- fix: end a restored reaction context at the end of its synchronous segment ([#18694](sveltejs/svelte#18694))

- fix: keep the dependencies of a reaction that throws, so deriveds it read are neither leaked nor stuck in their error ([#18703](sveltejs/svelte#18703))

- fix: don't resurrect outroing elements when an ancestor block is paused and resumed ([#18431](sveltejs/svelte#18431))

- perf: use `$.comment()` for single-comment templates ([#18714](sveltejs/svelte#18714))

- chore: move `@types/trusted-types` to devDependencies ([#18730](sveltejs/svelte#18730))

- perf: store setters cache as `Set` instead of `Array` ([#18251](sveltejs/svelte#18251))

- fix: transform derived assignments and select function bindings correctly during server-side rendering ([#18669](sveltejs/svelte#18669))

- fix: keep boolean attributes with an empty string value when rendering attribute objects on the server ([#18721](sveltejs/svelte#18721))

- fix: sync `SvelteURL` port signal when the protocol setter clears the port ([#18705](sveltejs/svelte#18705))

- fix: block declaration tags and `{@const}` on async values read inside closures ([#18533](sveltejs/svelte#18533))

- fix: avoid css tree-shaking for exported Snippet ([#18540](sveltejs/svelte#18540))

- perf: treat `<img loading>` as a static element again ([#18711](sveltejs/svelte#18711))

- fix: prevent `selectedcontent` mutation from changing the selected option ([#18495](sveltejs/svelte#18495))

- fix: avoid `NaN` keyframe values in `slide` transition for elements without a layout box ([#18430](sveltejs/svelte#18430))

- fix: preserve line feed character references in attribute values ([#18691](sveltejs/svelte#18691))

- fix: decode uppercase-`X` hex numeric character references (`&#X...;`) ([#18708](sveltejs/svelte#18708))

- chore: clarify when `$effect.pre` runs relative to DOM updates ([#18534](sveltejs/svelte#18534))

- fix: scope SSR boundary failed snippets to their boundary ([#18593](sveltejs/svelte#18593))
renovate Bot added a commit to cigaleapp/cigale that referenced this pull request Sep 7, 2026
##### [v5.57.0](https://github.com/sveltejs/svelte/blob/HEAD/packages/svelte/CHANGELOG.md#5570)

##### Minor Changes

- feat: export `RenderOutput`, `SyncRenderOutput`, `Csp` and `Sha256Source` from `svelte/server` ([#18648](sveltejs/svelte#18648))

- feat: add `has` function to `createContext` ([#18472](sveltejs/svelte#18472))

- feat: support `defaultValue` on `<select>` ([#18591](sveltejs/svelte#18591))

- feat: add getOrInsert/getOrInsertComputed to SvelteMap ([#18728](sveltejs/svelte#18728))

##### Patch Changes

- fix: block template store subscriptions on the promise that assigns the store ([#18582](sveltejs/svelte#18582))

- fix: route $derived teardown errors through invoke\_error\_boundary ([#18486](sveltejs/svelte#18486))

- fix: track SvelteDate snapshots in reactions ([#18700](sveltejs/svelte#18700))

- fix: remove `<svelte:head>` anchors on unmount ([#18697](sveltejs/svelte#18697))

- fix: warn on undeclared shorthand event handlers on `<svelte:window>`, `<svelte:document>` and `<svelte:body>` ([#18480](sveltejs/svelte#18480))

- perf: reuse the cached value in the `<option>`/`<select>` value guard ([#18713](sveltejs/svelte#18713))

- fix: prevent malformed AST output for `<select>` with static `value` attribute ([#18449](sveltejs/svelte#18449))

- fix: apply ownership mutation ignores to binding assignments ([#18718](sveltejs/svelte#18718))

- fix: prevent onoutroend from firing twice when compilerOptions.hmr is true ([#18655](sveltejs/svelte#18655))

- fix: preserve whitespace after inline elements when printing ([#18685](sveltejs/svelte#18685))

- perf: fold SSR block-open markers into the branch's first push ([#18712](sveltejs/svelte#18712))

- fix: run `onDestroy` callbacks when a server render throws ([#18585](sveltejs/svelte#18585))

- fix: report `derived_invalid_export` for `export let x = $derived(...)` in runes mode ([#18692](sveltejs/svelte#18692))

- fix: never apply class hash to elements inside `<svelte:head>` ([#18160](sveltejs/svelte#18160))

- fix: keep `defaultChecked` on hydrated radio inputs with spread attributes ([#18701](sveltejs/svelte#18701))

- fix: accept `onfocusin`/`onfocusout` in `a11y_mouse_events_have_key_events` ([#18689](sveltejs/svelte#18689))

- perf: O(n²)→O(n) Map lookups for legacy `$:` reactive statement ordering ([#18602](sveltejs/svelte#18602))

- fix: distinct memoizer on style/class directives ([#18466](sveltejs/svelte#18466))

- fix: measure nested transitions before applying their starting styles ([#18647](sveltejs/svelte#18647))

- fix: don't turn component instances stored in `$state` into state proxies ([#18646](sveltejs/svelte#18646))

- perf: emit `$.only_child` for elements with a single child ([#18717](sveltejs/svelte#18717))

- fix: omit `bind:focused` from SSR output (it has no HTML attribute) ([#18724](sveltejs/svelte#18724))

- fix: more robust rendering of Svelte custom element slots ([#18710](sveltejs/svelte#18710))

- perf: optimize simple object destructuring in `@const` tags ([#18390](sveltejs/svelte#18390))

- fix: properly apply static textarea value attribute during CSR ([#18727](sveltejs/svelte#18727))

- fix: end a restored reaction context at the end of its synchronous segment ([#18694](sveltejs/svelte#18694))

- fix: keep the dependencies of a reaction that throws, so deriveds it read are neither leaked nor stuck in their error ([#18703](sveltejs/svelte#18703))

- fix: don't resurrect outroing elements when an ancestor block is paused and resumed ([#18431](sveltejs/svelte#18431))

- perf: use `$.comment()` for single-comment templates ([#18714](sveltejs/svelte#18714))

- chore: move `@types/trusted-types` to devDependencies ([#18730](sveltejs/svelte#18730))

- perf: store setters cache as `Set` instead of `Array` ([#18251](sveltejs/svelte#18251))

- fix: transform derived assignments and select function bindings correctly during server-side rendering ([#18669](sveltejs/svelte#18669))

- fix: keep boolean attributes with an empty string value when rendering attribute objects on the server ([#18721](sveltejs/svelte#18721))

- fix: sync `SvelteURL` port signal when the protocol setter clears the port ([#18705](sveltejs/svelte#18705))

- fix: block declaration tags and `{@const}` on async values read inside closures ([#18533](sveltejs/svelte#18533))

- fix: avoid css tree-shaking for exported Snippet ([#18540](sveltejs/svelte#18540))

- perf: treat `<img loading>` as a static element again ([#18711](sveltejs/svelte#18711))

- fix: prevent `selectedcontent` mutation from changing the selected option ([#18495](sveltejs/svelte#18495))

- fix: avoid `NaN` keyframe values in `slide` transition for elements without a layout box ([#18430](sveltejs/svelte#18430))

- fix: preserve line feed character references in attribute values ([#18691](sveltejs/svelte#18691))

- fix: decode uppercase-`X` hex numeric character references (`&#X...;`) ([#18708](sveltejs/svelte#18708))

- chore: clarify when `$effect.pre` runs relative to DOM updates ([#18534](sveltejs/svelte#18534))

- fix: scope SSR boundary failed snippets to their boundary ([#18593](sveltejs/svelte#18593))
renovate Bot added a commit to cigaleapp/cigale that referenced this pull request Sep 7, 2026
##### [v5.57.0](https://github.com/sveltejs/svelte/blob/HEAD/packages/svelte/CHANGELOG.md#5570)

##### Minor Changes

- feat: export `RenderOutput`, `SyncRenderOutput`, `Csp` and `Sha256Source` from `svelte/server` ([#18648](sveltejs/svelte#18648))

- feat: add `has` function to `createContext` ([#18472](sveltejs/svelte#18472))

- feat: support `defaultValue` on `<select>` ([#18591](sveltejs/svelte#18591))

- feat: add getOrInsert/getOrInsertComputed to SvelteMap ([#18728](sveltejs/svelte#18728))

##### Patch Changes

- fix: block template store subscriptions on the promise that assigns the store ([#18582](sveltejs/svelte#18582))

- fix: route $derived teardown errors through invoke\_error\_boundary ([#18486](sveltejs/svelte#18486))

- fix: track SvelteDate snapshots in reactions ([#18700](sveltejs/svelte#18700))

- fix: remove `<svelte:head>` anchors on unmount ([#18697](sveltejs/svelte#18697))

- fix: warn on undeclared shorthand event handlers on `<svelte:window>`, `<svelte:document>` and `<svelte:body>` ([#18480](sveltejs/svelte#18480))

- perf: reuse the cached value in the `<option>`/`<select>` value guard ([#18713](sveltejs/svelte#18713))

- fix: prevent malformed AST output for `<select>` with static `value` attribute ([#18449](sveltejs/svelte#18449))

- fix: apply ownership mutation ignores to binding assignments ([#18718](sveltejs/svelte#18718))

- fix: prevent onoutroend from firing twice when compilerOptions.hmr is true ([#18655](sveltejs/svelte#18655))

- fix: preserve whitespace after inline elements when printing ([#18685](sveltejs/svelte#18685))

- perf: fold SSR block-open markers into the branch's first push ([#18712](sveltejs/svelte#18712))

- fix: run `onDestroy` callbacks when a server render throws ([#18585](sveltejs/svelte#18585))

- fix: report `derived_invalid_export` for `export let x = $derived(...)` in runes mode ([#18692](sveltejs/svelte#18692))

- fix: never apply class hash to elements inside `<svelte:head>` ([#18160](sveltejs/svelte#18160))

- fix: keep `defaultChecked` on hydrated radio inputs with spread attributes ([#18701](sveltejs/svelte#18701))

- fix: accept `onfocusin`/`onfocusout` in `a11y_mouse_events_have_key_events` ([#18689](sveltejs/svelte#18689))

- perf: O(n²)→O(n) Map lookups for legacy `$:` reactive statement ordering ([#18602](sveltejs/svelte#18602))

- fix: distinct memoizer on style/class directives ([#18466](sveltejs/svelte#18466))

- fix: measure nested transitions before applying their starting styles ([#18647](sveltejs/svelte#18647))

- fix: don't turn component instances stored in `$state` into state proxies ([#18646](sveltejs/svelte#18646))

- perf: emit `$.only_child` for elements with a single child ([#18717](sveltejs/svelte#18717))

- fix: omit `bind:focused` from SSR output (it has no HTML attribute) ([#18724](sveltejs/svelte#18724))

- fix: more robust rendering of Svelte custom element slots ([#18710](sveltejs/svelte#18710))

- perf: optimize simple object destructuring in `@const` tags ([#18390](sveltejs/svelte#18390))

- fix: properly apply static textarea value attribute during CSR ([#18727](sveltejs/svelte#18727))

- fix: end a restored reaction context at the end of its synchronous segment ([#18694](sveltejs/svelte#18694))

- fix: keep the dependencies of a reaction that throws, so deriveds it read are neither leaked nor stuck in their error ([#18703](sveltejs/svelte#18703))

- fix: don't resurrect outroing elements when an ancestor block is paused and resumed ([#18431](sveltejs/svelte#18431))

- perf: use `$.comment()` for single-comment templates ([#18714](sveltejs/svelte#18714))

- chore: move `@types/trusted-types` to devDependencies ([#18730](sveltejs/svelte#18730))

- perf: store setters cache as `Set` instead of `Array` ([#18251](sveltejs/svelte#18251))

- fix: transform derived assignments and select function bindings correctly during server-side rendering ([#18669](sveltejs/svelte#18669))

- fix: keep boolean attributes with an empty string value when rendering attribute objects on the server ([#18721](sveltejs/svelte#18721))

- fix: sync `SvelteURL` port signal when the protocol setter clears the port ([#18705](sveltejs/svelte#18705))

- fix: block declaration tags and `{@const}` on async values read inside closures ([#18533](sveltejs/svelte#18533))

- fix: avoid css tree-shaking for exported Snippet ([#18540](sveltejs/svelte#18540))

- perf: treat `<img loading>` as a static element again ([#18711](sveltejs/svelte#18711))

- fix: prevent `selectedcontent` mutation from changing the selected option ([#18495](sveltejs/svelte#18495))

- fix: avoid `NaN` keyframe values in `slide` transition for elements without a layout box ([#18430](sveltejs/svelte#18430))

- fix: preserve line feed character references in attribute values ([#18691](sveltejs/svelte#18691))

- fix: decode uppercase-`X` hex numeric character references (`&#X...;`) ([#18708](sveltejs/svelte#18708))

- chore: clarify when `$effect.pre` runs relative to DOM updates ([#18534](sveltejs/svelte#18534))

- fix: scope SSR boundary failed snippets to their boundary ([#18593](sveltejs/svelte#18593))
gwennlbh pushed a commit to cigaleapp/cigale that referenced this pull request Sep 7, 2026
##### [v5.57.0](https://github.com/sveltejs/svelte/blob/HEAD/packages/svelte/CHANGELOG.md#5570)

##### Minor Changes

- feat: export `RenderOutput`, `SyncRenderOutput`, `Csp` and `Sha256Source` from `svelte/server` ([#18648](sveltejs/svelte#18648))

- feat: add `has` function to `createContext` ([#18472](sveltejs/svelte#18472))

- feat: support `defaultValue` on `<select>` ([#18591](sveltejs/svelte#18591))

- feat: add getOrInsert/getOrInsertComputed to SvelteMap ([#18728](sveltejs/svelte#18728))

##### Patch Changes

- fix: block template store subscriptions on the promise that assigns the store ([#18582](sveltejs/svelte#18582))

- fix: route $derived teardown errors through invoke\_error\_boundary ([#18486](sveltejs/svelte#18486))

- fix: track SvelteDate snapshots in reactions ([#18700](sveltejs/svelte#18700))

- fix: remove `<svelte:head>` anchors on unmount ([#18697](sveltejs/svelte#18697))

- fix: warn on undeclared shorthand event handlers on `<svelte:window>`, `<svelte:document>` and `<svelte:body>` ([#18480](sveltejs/svelte#18480))

- perf: reuse the cached value in the `<option>`/`<select>` value guard ([#18713](sveltejs/svelte#18713))

- fix: prevent malformed AST output for `<select>` with static `value` attribute ([#18449](sveltejs/svelte#18449))

- fix: apply ownership mutation ignores to binding assignments ([#18718](sveltejs/svelte#18718))

- fix: prevent onoutroend from firing twice when compilerOptions.hmr is true ([#18655](sveltejs/svelte#18655))

- fix: preserve whitespace after inline elements when printing ([#18685](sveltejs/svelte#18685))

- perf: fold SSR block-open markers into the branch's first push ([#18712](sveltejs/svelte#18712))

- fix: run `onDestroy` callbacks when a server render throws ([#18585](sveltejs/svelte#18585))

- fix: report `derived_invalid_export` for `export let x = $derived(...)` in runes mode ([#18692](sveltejs/svelte#18692))

- fix: never apply class hash to elements inside `<svelte:head>` ([#18160](sveltejs/svelte#18160))

- fix: keep `defaultChecked` on hydrated radio inputs with spread attributes ([#18701](sveltejs/svelte#18701))

- fix: accept `onfocusin`/`onfocusout` in `a11y_mouse_events_have_key_events` ([#18689](sveltejs/svelte#18689))

- perf: O(n²)→O(n) Map lookups for legacy `$:` reactive statement ordering ([#18602](sveltejs/svelte#18602))

- fix: distinct memoizer on style/class directives ([#18466](sveltejs/svelte#18466))

- fix: measure nested transitions before applying their starting styles ([#18647](sveltejs/svelte#18647))

- fix: don't turn component instances stored in `$state` into state proxies ([#18646](sveltejs/svelte#18646))

- perf: emit `$.only_child` for elements with a single child ([#18717](sveltejs/svelte#18717))

- fix: omit `bind:focused` from SSR output (it has no HTML attribute) ([#18724](sveltejs/svelte#18724))

- fix: more robust rendering of Svelte custom element slots ([#18710](sveltejs/svelte#18710))

- perf: optimize simple object destructuring in `@const` tags ([#18390](sveltejs/svelte#18390))

- fix: properly apply static textarea value attribute during CSR ([#18727](sveltejs/svelte#18727))

- fix: end a restored reaction context at the end of its synchronous segment ([#18694](sveltejs/svelte#18694))

- fix: keep the dependencies of a reaction that throws, so deriveds it read are neither leaked nor stuck in their error ([#18703](sveltejs/svelte#18703))

- fix: don't resurrect outroing elements when an ancestor block is paused and resumed ([#18431](sveltejs/svelte#18431))

- perf: use `$.comment()` for single-comment templates ([#18714](sveltejs/svelte#18714))

- chore: move `@types/trusted-types` to devDependencies ([#18730](sveltejs/svelte#18730))

- perf: store setters cache as `Set` instead of `Array` ([#18251](sveltejs/svelte#18251))

- fix: transform derived assignments and select function bindings correctly during server-side rendering ([#18669](sveltejs/svelte#18669))

- fix: keep boolean attributes with an empty string value when rendering attribute objects on the server ([#18721](sveltejs/svelte#18721))

- fix: sync `SvelteURL` port signal when the protocol setter clears the port ([#18705](sveltejs/svelte#18705))

- fix: block declaration tags and `{@const}` on async values read inside closures ([#18533](sveltejs/svelte#18533))

- fix: avoid css tree-shaking for exported Snippet ([#18540](sveltejs/svelte#18540))

- perf: treat `<img loading>` as a static element again ([#18711](sveltejs/svelte#18711))

- fix: prevent `selectedcontent` mutation from changing the selected option ([#18495](sveltejs/svelte#18495))

- fix: avoid `NaN` keyframe values in `slide` transition for elements without a layout box ([#18430](sveltejs/svelte#18430))

- fix: preserve line feed character references in attribute values ([#18691](sveltejs/svelte#18691))

- fix: decode uppercase-`X` hex numeric character references (`&#X...;`) ([#18708](sveltejs/svelte#18708))

- chore: clarify when `$effect.pre` runs relative to DOM updates ([#18534](sveltejs/svelte#18534))

- fix: scope SSR boundary failed snippets to their boundary ([#18593](sveltejs/svelte#18593))

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
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a11y-mouse-events-have-key-events warning when using focusin/focusout

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