v1.102.3 svelte@5.56.10

low risk

hasaneyldrm/exercises-datasetAug 20, 2026 → Aug 20, 20260 days between releases

What's New

This release introduces Svelte 5.56.10 with fixes for CSS parsing and memory leaks.

Improvements

  • Improved async blocker analysis performance.
  • Improved server-side rendering compilation.

Bug Fixes

  • Fixed CSS escape sequences when printing selectors.
  • Fixed memory leak by releasing last_propagated_event after propagation settles.
  • Fixed parsing of `:nth-child` selectors where 'of' is not followed by whitespace.
  • Fixed CSS custom properties with falsy values on components.
  • Fixed correctly printing `{#await ... catch x}`.

Upgrade Notes

No configuration changes are required for this patch update.

The Two Releases

v1.102.3

v1.102.3

Aug 20, 2026· 2 months ago

Minimal release notes: "Please refer to the changelog available at https://tailscale.com/changelog"

Full release notes
svelte@5.56.10

svelte@5.56.10

Aug 20, 2026· 2 months ago

This patch release focuses on resolving CSS parsing issues, improving server-side rendering compilation, and fixing event propagation memory leaks. It also includes various stability fixes for the compiler and runtime.

Full release notes