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svelte@5.53.0

sveltejs/sveltesvelte@5.53.0Feb 18, 2026by github-actions[bot]

AI Summary

A minor release introducing support for comments in tags and enabling error boundaries on the server, alongside several runtime fixes.

Key Highlights

  • Allow comments in tags
  • Allow error boundaries to work on the server
  • Fix head effects being kept in the effect tree
  • Use TrustedHTML to test for customizable select support

New Features

  • Allow comments in tags
  • Allow error boundaries to work on the server

Full Release Notes

### Minor Changes

-   feat: allow comments in tags ([#17671](https://github.com/sveltejs/svelte/pull/17671))

-   feat: allow error boundaries to work on the server ([#17672](https://github.com/sveltejs/svelte/pull/17672))

### Patch Changes

-   fix: use TrustedHTML to test for customizable <select> support, where necessary ([#17743](https://github.com/sveltejs/svelte/pull/17743))

-   fix: ensure head effects are kept in the effect tree ([#17746](https://github.com/sveltejs/svelte/pull/17746))

-   chore: deactivate current_batch by default in unset_context ([#17738](https://github.com/sveltejs/svelte/pull/17738))