- Fixed XSS vulnerability in hydrateable content handling
- Added safeguards: disallowed empty SSR attribute names and hardened regex patterns
- Moved Svelte runtime properties to symbols and bumped devalue dependency
Official Svelte changelog summary with source attribution, release tags, and community reactions.
Track this Svelte release note alongside related changelog updates, risky changes, and weekly digest signals from the developer community.
Every summary should remain traceable to the original changelog or release source.
Turn this Svelte release note into a weekly digest for the tools you actually use.
Create digestFixed multiple CSS handling bugs, including escape sequences, custom property values, and namespace preservation
Fix skip controlled each fast path when another batch is pending
Fixed onerror handling and added a functional reset for failed hydration boundaries.