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fix: remove raw-text hydration markers#18269

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dummdidumm merged 3 commits into
sveltejs:mainfrom
puneetdixit200:fix/14413-inline-style-hydration
May 21, 2026
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fix: remove raw-text hydration markers#18269
dummdidumm merged 3 commits into
sveltejs:mainfrom
puneetdixit200:fix/14413-inline-style-hydration

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@puneetdixit200

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Fixes #14413.

This keeps the temporary raw-text hydration sentinel used by dynamic <svelte:element> from becoming part of the final DOM. Hydration still gets a marker to advance through for raw-text children, but the marker is removed after the child renderer runs, so <style> and <script> contents stay identical to SSR output.

Tests:

  • pnpm test hydration -t svelte-head-dynamic-style
  • pnpm test hydration
  • pnpm test runtime-runes -t svelte-element
  • pnpm lint
  • git diff --check

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changeset-bot Bot commented May 21, 2026

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🦋 Changeset detected

Latest commit: 89c5848

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

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Comment thread packages/svelte/src/internal/client/dom/blocks/svelte-element.js Outdated

@dummdidumm dummdidumm left a comment

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thank you!

@dummdidumm dummdidumm merged commit 8b961be into sveltejs:main May 21, 2026
16 of 17 checks passed
@github-actions github-actions Bot mentioned this pull request May 21, 2026
Rich-Harris pushed a commit that referenced this pull request May 27, 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@5.55.10

### Patch Changes

- fix: unlink errored and otherwise finished batch
([#18264](#18264))

- perf: walk composedPath() directly in delegated event propagation
([#18268](#18268))

- fix: transfer effects when merging batches
([#18254](#18254))

- fix: allow `$derived(await ...)` in disconnected effect roots
([#18273](#18273))

- fix: remove temporary raw-text hydration markers
([#18269](#18269))

- fix: propagate async `@const` blockers through closure references so
template expressions like `{(() => host)()}` correctly wait for the
awaited value ([#18309](#18309))

- fix: properly unlink batches
([#18298](#18298))

- fix: settle discarded batch
([#18290](#18290))

- fix: declare `let:` directives before `{@const}` declarations on
slotted elements
([#18271](#18271))

- fix: resume outro-ed branches if they were kept around
([#18291](#18291))

- fix: avoid waterfall-warning when async resolves to same value
([#18297](#18297))

- fix: correctly coordinate component-level effects inside async blocks
([#18260](#18260))

- fix: make unnecessary commit work less likely
([#18263](#18263))

- chore: add tag name to `a11y_click_events_have_key_events` warning
([#18272](#18272))

- fix: catch rejected promises while merging/committing
([#18266](#18266))

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
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Using Vite inline styles causes hydration mismatch errors

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