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fix: track SvelteDate snapshots in reactions - #18700

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triage/svelte-18698-snapshot-svelte-date
Aug 24, 2026
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fix: track SvelteDate snapshots in reactions#18700
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triage/svelte-18698-snapshot-svelte-date

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@svelte-triage-bot svelte-triage-bot Bot commented Aug 24, 2026

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Problem

$state.snapshot() cloned Date values through structuredClone, which reads their internal slot without invoking SvelteDate's reactive accessors. Consequently, snapshotting a SvelteDate inside a reaction did not register a dependency.

Fix

Read the Date value through getTime() before cloning it. For SvelteDate, this registers the reactive dependency while preserving the existing Date snapshot representation.

Added a runtime regression test covering updates after mutating a snapshotted SvelteDate.

Closes #18698

Tests

  • pnpm test runtime-runes -t state-snapshot-svelte-date
  • pnpm test runtime-runes

@pkg-svelte-dev

pkg-svelte-dev Bot commented Aug 24, 2026 •
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Install the latest version of svelte from fa9b4d1:

pnpm add https://pkg.svelte.dev/svelte/c/fa9b4d12a1a212cb9f81025aad2116744c478bad

Open in pkg.svelte.dev: https://pkg.svelte.dev/repos/svelte/pr/18700

Note

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

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changeset-bot Bot commented Aug 24, 2026 •
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🦋 Changeset detected

Latest commit: fa9b4d1

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 mentioned this pull request Aug 24, 2026
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dummdidumm marked this pull request as ready for review August 24, 2026 12:13
@dummdidumm
dummdidumm merged commit 721244a into sveltejs:main Aug 24, 2026
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@github-actions github-actions Bot mentioned this pull request Aug 24, 2026
Merged
dummdidumm pushed a commit that referenced this pull request Aug 28, 2026
@github-actions
Version Packages (#18682)
7bc0a70 
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>
This was referenced Aug 29, 2026
Closed
Closed
Closed
dadezzz pushed a commit to dadezzz/events-cash-register that referenced this pull request Sep 1, 2026
Renovate [bot] Forgejo
fix(deps): update dependency svelte to v5.57.0 (#231)
3cc3889 
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
@renovate
⬆️ Update dependency svelte to ^5.57.0
900c896 
##### [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
@renovate
⬆️ Update dependency svelte to ^5.57.0
c6457b0 
##### [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
@renovate
⬆️ Update dependency svelte to ^5.57.0
fbf8317 
##### [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
@renovate
⬆️ Update dependency svelte to ^5.57.0 (#2144)
366a89e 
##### [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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$state.snapshot does not track SvelteDate, unlike SvelteMap and SvelteSet

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