svelte@5.53.4

sveltejs/sveltesvelte@5.53.4Feb 25, 2026by github-actions[bot]

AI Summary

Fixes issues related to hydration (if blocks), server-side rendering context handling, and scope management for default parameters.

Key Highlights

  • Fix hydrate if blocks correctly
  • Fix default parameters scope leaks
  • Fix server context after async transformError
  • Prevent flushed effects from running again

Full Release Notes

### Patch Changes

-   fix: set server context after async transformError ([#17799](https://github.com/sveltejs/svelte/pull/17799))

-   fix: hydrate if blocks correctly ([#17784](https://github.com/sveltejs/svelte/pull/17784))

-   fix: handle default parameters scope leaks ([#17788](https://github.com/sveltejs/svelte/pull/17788))

-   fix: prevent flushed effects from running again ([#17787](https://github.com/sveltejs/svelte/pull/17787))