@biomejs/biome@2.5.13 @biomejs/biome@2.5.14
biomejs/biomeSep 10, 2026 → Sep 16, 20266 days between releases
What's New
Adds new linting rules for Svelte, Promise control flow, and test titles alongside bug fixes.
New Features
- Added noReturnInFinally rule to prevent return statements in Promise callbacks.
- Added noSvelteAtDebugTags rule to disallow Svelte debugging tags.
- Added useValidTestTitle rule to enforce valid test case titles.
Improvements
- Performance optimizations for large object expressions.
- HTML formatter now preserves line breaks next to CJK characters.
Bug Fixes
- Fixed parsing of TypeScript override accessor and accessor override modifiers.
- Fixed CJK text preservation in the HTML formatter.
Upgrade Notes
No configuration changes are required. Three new nursery rules are enabled by default and can be adjusted in your configuration file.
The Two Releases
Biome CLI v2.5.13
Sep 10, 2026· 1 month ago
This release introduces new linting rules for CSS cascade layers and DOM traversal, addresses performance bottlenecks related to generic type inference in large libraries, and fixes several issues regarding React Compiler checks and HTML formatting.
Full release notesBiome CLI v2.5.14
Sep 16, 2026· 1 month ago
New linting rules for Svelte debugging, Promise control flow, and test titles are added, alongside fixes for TypeScript modifier parsing, CJK text preservation in HTML, and performance optimizations for large object expressions.
Full release notes