Svelte 5.56.4

Release Date: June 23, 2026

Svelte 5.56.4.

A patch release.

Six fixes. No new features.

Fixes

Ignore errors in destroyed effects.

Execute uninitialized derived values even after destruction.

Re-run fallback props when dependencies update.

Abort obsolete async branches gracefully.

Handle svelte:body in code printer.

Fix keyframe percentage double-printing.

Include wrapping parentheses correctly.

Ignore comments when reading CSS values.

Validate svelte:element tags during SSR.

npm update svelte.

pnpm update svelte.

That is it.