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fix: use named symbols everywhere#18238

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dummdidumm merged 1 commit into
mainfrom
named-symbols
May 18, 2026
Merged

fix: use named symbols everywhere#18238
dummdidumm merged 1 commit into
mainfrom
named-symbols

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@Rich-Harris

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This isn't really a fix since these should never surface to the user, but it's useful for debugging when they do, as in sveltejs/kit#15779. Instead of seeing Symbol() we see e.g. Symbol(uninitialized) which makes it easier to understand where a bug is coming from.

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  • It's really useful if your PR references an issue where it is discussed ahead of time. In many cases, features are absent for a reason. For large changes, please create an RFC: https://github.com/sveltejs/rfcs
  • Prefix your PR title with feat:, fix:, chore:, or docs:.
  • This message body should clearly illustrate what problems it solves.
  • Ideally, include a test that fails without this PR but passes with it.
  • If this PR changes code within packages/svelte/src, add a changeset (npx changeset).

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  • Run the tests with pnpm test and lint the project with pnpm lint

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changeset-bot Bot commented May 18, 2026

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🦋 Changeset detected

Latest commit: 9163859

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

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pnpm add https://pkg.pr.new/svelte@18238

@dummdidumm dummdidumm merged commit 2bc3592 into main May 18, 2026
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@dummdidumm dummdidumm deleted the named-symbols branch May 18, 2026 15:53
@github-actions github-actions Bot mentioned this pull request May 18, 2026
dummdidumm pushed a commit that referenced this pull request May 18, 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@5.55.8

### Patch Changes

- fix(print): handle `svelte:body` and fix keyframe percentage
double-printing
([#18234](#18234))

- fix: execute uninitialized derived even if it's destroyed
([#18228](#18228))

- fix: use named symbols everywhere
([#18238](#18238))

- fix: don't run teardown effects when deriveds are unfreezed
([#18227](#18227))

- fix: unset context synchronously in `run`
([#18236](#18236))

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
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