# What changed in @biomejs/biome > 245 changes in @biomejs/biome 2 from its official release notes, upgrade guides and advisories: 10 breaking, 4 security, 40 new APIs and options. Each one cited. Sources checked 2026-10-18. HTML: https://unstale.sh/npm/@biomejs/biome/ To see which of these apply to a repository, run `npx @unstale/cli init` in it. ## @biomejs/biome 2 ### Breaking changes - The CLI now emits an error when the configuration has errors. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Configuration file errors are no longer silently ignored and are checked before any command executes. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Now reports mismatched closing tags and top-level closing tags without openings; tag names are matched case-insensitively. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - The rule now reports directives inside Astro template expressions. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Reports React Compiler diagnostics regardless of the React version declared in package.json. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Removes special HTML formatter handling for the obsolete listing element. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Combining readonly and accessor modifiers in either order now reports that they cannot be used together. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Biome now reports HTML comments between Svelte tag attributes as parse errors. (2.5.12) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.12) - Braces inside Astro `` elements no longer open expressions, so LaTeX such as `R^{2x}` survives as text; `` is unaffected. (2.5.10) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.10) - HTML `style` attribute values are parsed as CSS, and all Biome CSS lint rules are applied to them. (2.5.8) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.8) ### Security - Restricts access to the Unix daemon socket to the Biome user; it is stored in a user-accessible cache directory and uses mode 0600. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Unix daemon socket permissions are now restricted. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Biome reports a diagnostic for excessively deep syntax instead of overflowing the native stack while releasing the parsed tree. (2.5.12) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.12) - A new nursery rule disallows Astro's set:html directive because untrusted content can introduce cross-site scripting vulnerabilities. (2.5.11) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.11) ### New APIs and options - Markdown now supports suppressions. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Added the noAstroConflictingSetDirectives rule for .astro files. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Added the noMeaninglessVoidOperator lint rule. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Added the noMisplacedListElements lint rule. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Added the noSelfImport lint rule. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Added the noSvelteExportLet lint rule. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Added the noTailwindRawColors lint rule. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Added the useLogicalProperties lint rule. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Added the usePromiseRejectErrors lint rule. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Added the useStrictBooleanExpressions lint rule. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Added the useSvelteKitRuneImports lint rule. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - YAML formatting now supports suppression comments. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - GritQL plugins can use contains on import-clause metavariables in import patterns. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Adds the Markdownlint MD040 rule for fenced code language declarations. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Implements the noJsonUnsafeValues JSON lint rule. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Adds the noObsoleteTags lint rule. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Adds the noReturnInFinally lint rule. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Adds the noSvelteAtDebugTags lint rule. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Adds the noSvelteAtDebugTags lint rule. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Adds @shadcn/lint as a lint rule source. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Adds the useConsistentFunctionStyle lint rule. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Implements the useConsistentObjectKeys JSON lint rule. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Adds the requireExplicitCase option to useExhaustiveSwitchCases. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Implements the useValidTestTitle lint rule. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Adds parsing support for GitHub Flavored Markdown. (2.5.13) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.13) - Adds code fix mutation support for plugins. (2.5.13) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.13) - Adds rule context support for plugins. (2.5.13) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.13) - Adds semantic model support for plugins. (2.5.13) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.13) - Adds JavaScript traversal methods for plugins. (2.5.13) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.13) - Adds the Markdown MD025 single top-level heading rule. (2.5.12) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.12) - JavaScript plugins now support TypeScript. (2.5.11) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.11) - JavaScript plugins can query AST nodes by their kind. (2.5.10) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.10) - JavaScript plugins gain runtime AST bindings. (2.5.10) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.10) - Markdown frontmatter parsing support was added. (2.5.10) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.10) - JavaScript plugins can be enabled in WASM through the `unstable` feature. (2.5.10) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.10) - biome rage now includes BIOME_BINARY in its environment variable metadata. (2.5.9) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.9) - biome rage now includes BIOME_LOG_FILE in its environment variable metadata. (2.5.9) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.9) - A new nursery rule reports Astro client:only directives without an initializer. (2.5.9) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.9) - Added support for the SCSS nesting combinator. (2.5.8) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.8) - Added the `useTopLevelHeading` rule. (2.5.8) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.8) ### Performance - The HTML formatter is up to 4x faster. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Indexing and analysis of big files are up to 2x faster, especially in projects using project and types lint rules. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Type inference is significantly faster, with benchmark speedups of about 2–240x for some popular libraries, affecting all rules that use type information. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Improves formatting performance for documents containing many HTML-native or SVG-native tags. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Formatting and checking large parenthesized object expressions no longer exhibit quadratic slowdowns. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Improves formatter performance by up to approximately 50% in some cases. (2.5.13) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.13) - Improves linting performance for large CSS and JSON files. (2.5.13) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.13) - Improves type inference performance by avoiding resolution of unused members in object arguments. (2.5.12) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.12) - Calls to non-Promise methods on third-party TypeScript classes are classified using targeted type information instead of expensive full type inference. (2.5.11) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.11) - Rule performance was improved. (2.5.10) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.10) - Rule performance was improved. (2.5.10) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.10) - Rule performance was improved. (2.5.10) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.10) - Rule performance was improved. (2.5.10) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.10) - Rule performance was improved. (2.5.10) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.10) - Rule performance was improved. (2.5.10) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.10) - Rule performance was improved. (2.5.10) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.10) - Rule performance was improved. (2.5.10) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.10) ### Behavior and default changes - Type lowering now handles computed members and infers symbol-keyed access. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Watched-file patterns are scoped to each workspace folder, with deprecated rootUri fallback and compatible absolute glob patterns for clients without relative-pattern support. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - When plugins fail to load, Biome prints each failing plugin's path on its own line instead of concatenating error messages. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Type lowering now handles readonly types and infers const generics. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - SCSS now supports interpolation in containers, layers, property names, and the attr function. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - SCSS now allows nested declarations. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Can now match TypeScript interface snippets. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Expands the cases supported by the useIncludes lint rule. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Adds support for interpolated SCSS URL values. (2.5.12) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.12) - Interpolation delimiters stay attached to whitespace-sensitive boundaries and adjacent inline siblings, wrapping expressions when needed to fit the configured line width. (2.5.11) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.11) - Template literal attribute values are now supported in Astro. (2.5.10) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.10) - The Tailwind parser now understands container-query variants, child and descendant variants, combinator selectors in arbitrary variants, variant modifiers, and arbitrary container-query sizes. (2.5.9) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.9) - Added ordering of variants in `sort_v4`. (2.5.8) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.8) ### Tooling - Type lowering now handles array type syntax. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Multiline Astro expressions are indented at the surrounding markup column, and biome format now formats Astro expressions too. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Type lowering now handles generic type constraints. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Type lowering now includes global functions from source declarations. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Type lowering now handles indexed access types. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Type inference now lowers Intl namespace declarations. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Type lowering now handles keyof type operators. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Added a lint rule that detects React object types used as default props. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Type lowering now handles Symbol call signatures. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Type lowering now handles Symbol static members. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Adds suite() as an alias of describe() across test analysis rules and formatter; rules also recognize fsuite, xsuite, and test.suite blocks. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Test rules accept suite() as an alias of describe(). (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Adds detection of undeclared custom Vue directives. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Can capture and inspect multiple named import specifiers and match captured JSX component names against snippets such as React.Fragment. (2.5.13) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.13) - Astro fragment shorthand is now supported. (2.5.10) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.10) - A JavaScript transform can erase type annotations in TypeScript code. (2.5.10) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.10) - biome rage now includes RUST_BACKTRACE in its environment variable metadata. (2.5.9) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.9) - Added a Markdown linter. (2.5.8) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.8) ### Fixes and other changes - Fixed Astro formatting of embedded content. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - No longer adds invalid parentheses around Svelte {@const} declarations when experimental HTML support and formatting are enabled. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Biome no longer crashes when output is piped to a program that exits early; output to the closed pipe is discarded and Biome exits normally. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - The CLI no longer crashes when output is piped to a closed pipe. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Type inference now fully lowers Date constructor members. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Disabling one domain no longer disables rules that also belong to another enabled domain; explicitly configured rules also remain enabled. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Fixed incorrect type inference when generic parameters are reused across inherited types or swapped in recursive types. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - No longer inserts a space after a within pattern without an until clause. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - No longer duplicates comments around Svelte blocks, including comments after blocks and comments before branch or closing tags. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - No longer removes the space between text and an inline element on the next line when joining lines. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Regex literals beginning with > no longer terminate self-closing tags; regex literals after keywords such as return are recognized too. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - The parser now compares complete opening and closing tag names. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - The HTML lexer now treats a regex beginning with > as a regex. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - The parser no longer misparses << as type arguments when the closing > is missing. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Long-running workspaces now reflect package manifest and TypeScript path-mapping changes without requiring the importing file to be edited. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - No longer reports chained method calls such as builder.image(url).fit("max") as focused tests. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - The rule now ignores chained .fit() method calls. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - The fix now preserves the string value for octal escapes with a leading digit 4–7. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - No longer reports view transition names inside view transition pseudo-elements. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - The rule now ignores view transition names in pseudo-elements. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - No longer offers a safe fix for return; as the body of an unbraced if, else, or label; safe fixes also preserve surrounding comments. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - The rule skips fixes for unbraced bodies and keeps comments. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - String concatenation fixes now escape quotes. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Rules enabled by overlapping domains are now preserved. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - VCS checks now account for parent ignore files. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - The language server now handles relative glob patterns correctly. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - The SCSS parser now accepts if inside a url function. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - SCSS query values now support unary expressions. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Suppression comments now work on affected parts of HTML-like files and on snippets embedded in JavaScript files. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Comments at the end of a Svelte block's contents are now indented with the contents rather than the following tag. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Formatting now preserves const tag assignment syntax and fixes duplicate or incorrectly indented comments around Svelte blocks. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Tailwind classes in class expressions are now detected. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Tailwind classes are now detected in Svelte, Vue, and Astro class attribute expressions that do not use a class merging function. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Test rules no longer mistake regular method calls named test, it, or describe for tests. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - More global types, including Array, Map, and Set, are fully defined, which should decrease false positives on typed rules. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Type-aware rules now resolve members through generic type aliases that instantiate another generic type with a nested generic argument. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Parses f << f as a left shift of two instantiation expressions, matching TypeScript instead of reporting a parse error. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - A << expression followed by a later >>> is no longer misparsed as TypeScript type arguments. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - The rule now preserves negative index expressions. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - The rule now ignores loops that update the index in the loop body. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Removed the React 19 version requirement from the rule. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - The rule no longer escapes a slash that is already escaped. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - No longer reports boolean literals on the right side of || and && outside boolean contexts, where removing them can change the expression result. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Now evaluates parent directory patterns when matching child paths, preserving re-included directories while ignoring excluded siblings. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Linting now recognizes Vue slot bindings. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Typed slot props no longer produce a parse error, and types in slot prop annotations are recognized as used by noUnusedVariables. (2.5.15) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.15) - Suppression comments targeting the entire assist category, including biome-ignore-all assist, are respected when running check. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Correctly writes fixes for code inside HTML attribute expressions instead of reporting fixable diagnostics without applying them. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - No longer fails with conflicting rule fixes when multiple diagnostics target a declaration preceded by a multiline comment. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Correctly writes fixes for code inside HTML attribute expressions instead of reporting fixable diagnostics without applying them. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - No longer modify the wrong part of Vue, Svelte, or Astro files when experimental full HTML support is disabled. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Fixes are now written back to attribute-expression embeds in HTML. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Associates annotations with the correct files when Biome runs from a nested directory. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Files re-included by negation patterns in a nested .gitignore are processed when vcs.useIgnoreFile is enabled, even if the ignore file contains *. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Grit plugin code fixes are now available as editor code actions. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Plugins that use sequential no longer panic when Biome processes files. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Import patterns now match namespace imports, including type-only imports; explicit import type patterns also match type-only named and namespace imports. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Preserves authored segment breaks between CJK characters and next to CJK punctuation instead of replacing them with spaces. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - No longer applies native HTML element formatting to PascalCase component names in Vue, Svelte, and Astro files. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - No longer applies SVG block formatting to unknown elements whose names match SVG element names. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Fixes redundant parentheses around binary and logical unary operands with leading line comments. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Inserts a newline before the closing angle bracket when a leading comment forces type arguments onto multiple lines. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Avoids extra parentheses and comment movement when formatting multiline expressions after operators such as !. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - With operatorLinebreak set to before, own-line comments before binary operators stay above the operator. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Nested gitignore files now honor negation patterns. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Nested gitignore files now honor negation patterns. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Recognizes aliased named imports in single-file components under their local name. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Recognizes React 19.3 DOM properties instead of treating them as unknown attributes. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - TypeScript class members using override accessor now parse correctly; accessor override reports that override must precede accessor. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - The SCSS parser now allows omitting the final semicolon in at-rules. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - The CSS parser now parses SCSS module variables in media queries. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Applies safe fixes without formatting files that have parse errors when formatter.formatWithErrors is disabled. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Correctly handles dashed utility base names and parses arbitrary values separately while preserving the complete base name. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Multiline template interpolations preserve the closing brace's indentation when source indentation is not a multiple of tabWidth. (2.5.14) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.14) - Suppression comments now suppress matching HTML lint diagnostics on the following line when full HTML support is enabled. (2.5.13) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.13) - Fixes parsing of unquoted URLs beginning with @ or ! and preserves escaped and non-ASCII whitespace in raw URLs during formatting. (2.5.13) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.13) - No longer inserts whitespace between adjacent Svelte expressions when their combined length exceeds the line width. (2.5.13) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.13) - Infers unannotated callback parameter types from the passed function's signature, honors explicit call type arguments, and avoids unnecessary inference of imported generics and namespace members. (2.5.13) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.13) - The formatter no longer crashes on multiline expressions in files with CRLF line endings. (2.5.12) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.12) - Astro expressions now parse TypeScript and JSX syntax, attribute values, comments, text, and embedded script and style contents according to Astro syntax. (2.5.12) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.12) - Fixes handling of format suppression comments on TypeScript declared class properties with string literal names. (2.5.12) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.12) - The Language Server no longer starts with debug logging enabled, preventing logs from growing exponentially in long sessions. (2.5.12) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.12) - Fixes repeated dependency analysis that could lead to long and unresponsive sessions. (2.5.12) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.12) - The formatter prints declare before accessibility modifiers on class properties, matching Prettier and TypeScript's canonical modifier order. (2.5.12) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.12) - Biome no longer crashes while parsing malformed delete expressions. (2.5.12) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.12) - Vanilla HTML no longer reports unsupported text expression diagnostics for double-curly text, and the formatter preserves adjacent curly-brace text. (2.5.12) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.12) - Biome no longer crashes when linting malformed for...of statements. (2.5.12) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.12) - Grit plugins can use function = ... as a node argument. (2.5.12) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.12) - The formatter no longer moves comments next to the < of a generic, avoiding invalid TypeScript syntax. (2.5.12) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.12) - Biome now parses legacy Internet Explorer filter and -ms-filter values such as progid:DXImageTransform... and alpha(opacity=40). (2.5.12) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.12) - The configuration schema now correctly provides auto-completion for linter domains. (2.5.12) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.12) - Recognizes unhandled Promise chains when an imported function's module belongs to an import cycle; cyclic modules preserve types for exports outside recursive type dependencies. (2.5.12) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.12) - No longer reports Bun runtime built-in modules as unresolved imports. (2.5.12) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.12) - Exempts any variable whose initializer references props, preventing false duplicate-key reports for derived script setup variables. (2.5.12) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.12) - Biome preserves Unicode characters when writing source received through standard input to standard output. (2.5.12) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.12) - Formatting a Svelte render tag followed by an HTML comment no longer duplicates the comment. (2.5.12) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.12) - Whitespace now always allows the parser to recover from parsing failures and start parsing a new class. (2.5.12) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.12) - Adjacent elements inside an Astro expression now parse as an implicit fragment instead of raising an error. (2.5.11) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.11) - Astro templates now accept unclosed HTML void elements. (2.5.11) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.11) - Re-export patterns now match named re-exports with aliases, inline type modifiers, and multiple specifiers. (2.5.11) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.11) - The rule no longer reports template assignments to Vue
{}
` now parse; Astro renders `{}` as nothing. (2.5.10) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.10) - Astro expressions containing comments now parse, including expressions with a comment followed by a value. (2.5.10) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.10) - A closing tag inside a string or comment no longer cuts an Astro frontmatter block short. (2.5.10) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.10) - An Astro frontmatter block no longer ends on a line that merely starts with a dash. (2.5.10) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.10) - Astro frontmatter is recognized only at the very start of a file; later `---` lines are content. (2.5.10) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.10) - The Astro parser recovers from malformed closing tags so later mistakes are reported where they occur rather than cascading. (2.5.10) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.10) - `{{` at the start of an Astro expression is parsed as an object literal rather than an interpolation. (2.5.10) — [release notes](https://github.com/biomejs/biome/releases/tag/%40biomejs/biome%402.5.10) - Astro parses markup and interpolations in `
` and `