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☂️ useReactCompiler remaining work
#10974 · dyc3 opened on Jul 17, 2026
5
☂ JS Plugins
#11420 · siketyan opened on Aug 19, 2026
2

💅 noSwitchDeclarations reports var declarations, which no-case-declarations allows
biomejs/biome#12475 · opened on Oct 20, 2026
📝 CSS: a comment above a rule drops the indent of its wrapped selector (regression in 2.5.5)
Bug
biomejs/biome#12471 · opened on Oct 19, 2026
🐛 Daemon memory grows with every biome check --use-server run
Bug
biomejs/biome#12466 · opened on Oct 19, 2026
💅 useSortedProperties can produce invalid CSS when the final semicolon is omitted
Bug
biomejs/biome#12417 · opened on Oct 17, 2026
💅 useSortedProperties moves Sass variable declarations below their uses
Bug
biomejs/biome#12414 · opened on Oct 17, 2026
1
💅 useSortedProperties can change behavior when reordering nested CSS rules
Bug
biomejs/biome#12413 · opened on Oct 17, 2026
🐛 HTML: a nested  inside an HTML comment makes biome check grow memory without bound (1 MB file hits 1 GB, 41 GB uncapped)
biomejs/biome#12381 · opened on Oct 15, 2026
1
💅 noSetterReturn misses setters in Object.defineProperty descriptors
Bug
biomejs/biome#12375 · opened on Oct 15, 2026
1
💅 useArrowFunction's safe fix is not safe when .prototype is accessed
Bug
biomejs/biome#12372 · opened on Oct 15, 2026
1
📎 biome migrate should handle suppression comments for nursery rule promotions
Task
biomejs/biome#12363 · opened on Oct 14, 2026
2
📎 Remove variable & argument reporting from noDuplicateFields
Task
biomejs/biome#12351 · opened on Oct 14, 2026 · Biome v3
🐛 Entities not unescaped when checking style tag
Bug
biomejs/biome#12349 · opened on Oct 14, 2026
1
💅 noUnresolvedImports should not report error on ambient module declarations
Bug
biomejs/biome#12348 · opened on Oct 14, 2026
1
💅 noUnnecessaryConditions: a generic overload is picked although the argument may be undefined (React Query useQuery with initialData)
biomejs/biome#12345 · opened on Oct 14, 2026
🐛 useStrictBooleanExpressions treats a value that has been defaulted during object deconstruction as nullable
Bug
biomejs/biome#12335 · opened on Oct 13, 2026
🐛 Grit plugin fails to compile when it names a CSS node with "List" in its name (e.g. CssPseudoClassFunctionSelectorList)
Bug
biomejs/biome#12334 · opened on Oct 13, 2026
🐛 noUnknownUnit flags hex colours starting with a digit in SCSS custom properties
Bug
biomejs/biome#12332 · opened on Oct 13, 2026
2
🐛 Flaky test involving symlinks caused by race condition
Bug
biomejs/biome#12319 · opened on Oct 13, 2026
1
🐛 LSP scan panics with "path is expected to be under the root" when configurationPath points at a nested biome.json
Bug
biomejs/biome#12317 · opened on Oct 13, 2026
2
🐛 Type-aware rules hang (>120s) on files that import Kysely-derived return types since 2.5.13; 2.5.12 checks the same files in ~15s (still present in 2.5.15)
Bug
biomejs/biome#12273 · opened on Oct 11, 2026
4
📝 Line breaks between Chinese/Japanese and inline tags should be replaceable with spaces in Markdown
Bug
biomejs/biome#12255 · opened on Oct 10, 2026
2
💅 noUnresolvedImports: rejects default imports from .module.css files
Bug
biomejs/biome#12234 · opened on Oct 9, 2026
4
💅 noDuplicateTestHooks: false positive on a local function named before called twice in a test
Bug
biomejs/biome#12231 · opened on Oct 8, 2026
3
🐛 missing parity with no-unused-vars
Bug
biomejs/biome#12195 · opened on Oct 7, 2026
3
useAwaitThenable rejects Fastify listen without a callback since 2.5.13
biomejs/biome#12176 · opened on Oct 6, 2026
3

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Issues

💅 `noSwitchDeclarations` reports `var` declarations, which `no-case-declarations` allows

📝 CSS: a comment above a rule drops the indent of its wrapped selector (regression in 2.5.5)

🐛 Daemon memory grows with every `biome check --use-server` run

💅 `useSortedProperties` can produce invalid CSS when the final semicolon is omitted

💅 `useSortedProperties` moves Sass variable declarations below their uses

💅 `useSortedProperties` can change behavior when reordering nested CSS rules

🐛 HTML: a nested `` inside an HTML comment makes `biome check` grow memory without bound (1 MB file hits 1 GB, 41 GB uncapped)

💅 `noSetterReturn` misses setters in `Object.defineProperty` descriptors

💅 `useArrowFunction`'s safe fix is not safe when `.prototype` is accessed

📎 `biome migrate` should handle suppression comments for nursery rule promotions

📎 Remove variable & argument reporting from `noDuplicateFields`

🐛 Entities not unescaped when checking style tag

💅 `noUnresolvedImports` should not report error on ambient module declarations

💅 `noUnnecessaryConditions`: a generic overload is picked although the argument may be `undefined` (React Query `useQuery` with `initialData`)

🐛 `useStrictBooleanExpressions` treats a value that has been defaulted during object deconstruction as nullable

🐛 Grit plugin fails to compile when it names a CSS node with "List" in its name (e.g. `CssPseudoClassFunctionSelectorList`)

🐛 `noUnknownUnit` flags hex colours starting with a digit in SCSS custom properties

🐛 Flaky test involving symlinks caused by race condition

🐛 LSP scan panics with "path is expected to be under the root" when configurationPath points at a nested biome.json

🐛 Type-aware rules hang (>120s) on files that import Kysely-derived return types since 2.5.13; 2.5.12 checks the same files in ~15s (still present in 2.5.15)

📝 Line breaks between Chinese/Japanese and inline tags should be replaceable with spaces in Markdown

💅 `noUnresolvedImports`: rejects default imports from `.module.css` files

💅 noDuplicateTestHooks: false positive on a local function named `before` called twice in a test

🐛 missing parity with `no-unused-vars`

useAwaitThenable rejects Fastify listen without a callback since 2.5.13