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☂️ Plan for 2026 Q3 (Jul - Sep)
#23976 · Boshen opened on Jun 30, 2026
6
Linter Product Plan and Progress
#481 · Boshen opened on Jun 26, 2023
69
transformer: ecma decorators
#9170 · Boshen opened on Feb 17, 2025
16

formatter: Diff with Prettier on css-in-js template with @media ${expr} (template left unformatted)
oxc-project/oxc#27572 · opened on Oct 11, 2026
linter: oxlint --rules prints nothing when an AI agent is detected (agent format)
oxc-project/oxc#27569 · opened on Oct 11, 2026
transformer: import used only by export { X } in a declare namespace is not removed
oxc-project/oxc#27563 · opened on Oct 11, 2026
minifier: symbol_redeclarations are not removed after declaration is removed
Bug
oxc-project/oxc#27548 · opened on Oct 10, 2026
copied Babel helper provenance
oxc-project/oxc#27524 · opened on Oct 10, 2026
linter: no-shadow ignores a generic type parameter of a function type, method signature or declare function that shadows an outer type
oxc-project/oxc#27508 · opened on Oct 9, 2026
linter: --type-check omits global and declaration compatibility diagnostics (TS2318, TS4094)
oxc-project/oxc#27499 · opened on Oct 9, 2026
formatter: JSX element after an over-long JSX comment is broken where Prettier keeps it on one line
Bug
oxc-project/oxc#27496 · opened on Oct 9, 2026
linter: unsigned Windows native binding blocked by Smart App Control
Bug
oxc-project/oxc#27486 · opened on Oct 9, 2026
linter: vitest/prefer-each ignores the import source of test functions
oxc-project/oxc#27471 · opened on Oct 8, 2026
linter: jsdoc/require-param false positive on nested function when outer function is not exported
oxc-project/oxc#27470 · opened on Oct 8, 2026
linter: no-shadow skips members of declare namespace / declare module in .d.ts files
oxc-project/oxc#27469 · opened on Oct 8, 2026
1
linter: vitest/prefer-called-with does not report toHaveBeenCalledOnce()
oxc-project/oxc#27468 · opened on Oct 8, 2026
minifier: sequences folds arrow functions using in into a for initializer, which Safari fails to parse
oxc-project/oxc#27463 · opened on Oct 8, 2026
2
linter: jsx-a11y/role-has-required-aria-props : false positives for unmapped custom components and semantic role elements
Bug
oxc-project/oxc#27450 · opened on Oct 8, 2026
1
linter: "No files to lint" message clobbers formatted output
Bug
oxc-project/oxc#27441 · opened on Oct 8, 2026
react-compiler: declare const x inside a component is emitted as const x; which is a syntax error
Bug
oxc-project/oxc#27429 · opened on Oct 7, 2026
react-compiler: { ["__proto__"]: value } is rewritten to { "__proto__": value } which sets the prototype instead of creating a property
Bug
oxc-project/oxc#27428 · opened on Oct 7, 2026
react-compiler: an allocation nested in a useMemo result is cached once per mount and outlives the memo’s dependencies
Bug
oxc-project/oxc#27427 · opened on Oct 7, 2026
react-compiler: a useMemo whose result is only compared and passed to setState loses its memoization
Bug
oxc-project/oxc#27426 · opened on Oct 7, 2026
react-compiler: compound assignment and ++ on a member evaluate the object and key expressions twice
Bug
oxc-project/oxc#27425 · opened on Oct 7, 2026
react-compiler: obj.prop++ is compiled to obj.prop = obj.prop + 1
Bug
oxc-project/oxc#27424 · opened on Oct 7, 2026
react-compiler: ref.current is read during render as a cache key when the compiler does not recognise the value as a ref
Bug
oxc-project/oxc#27423 · opened on Oct 7, 2026
react-compiler: useRef() written inside an object literal, array or JSX attribute is called conditionally after compilation
Bug
oxc-project/oxc#27422 · opened on Oct 7, 2026
react-compiler: a variable reassigned inside a memoized block reverts to its initial value on the next render
Bug
oxc-project/oxc#27421 · opened on Oct 7, 2026

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Issues

Issues

formatter: Diff with Prettier on css-in-js template with @media ${expr} (template left unformatted)

linter: `oxlint --rules` prints nothing when an AI agent is detected (agent format)

transformer: import used only by `export { X }` in a `declare namespace` is not removed

minifier: symbol_redeclarations are not removed after declaration is removed

copied Babel helper provenance

linter: `no-shadow` ignores a generic type parameter of a function type, method signature or `declare function` that shadows an outer type

linter: --type-check omits global and declaration compatibility diagnostics (TS2318, TS4094)

formatter: JSX element after an over-long JSX comment is broken where Prettier keeps it on one line

linter: unsigned Windows native binding blocked by Smart App Control

linter: `vitest/prefer-each` ignores the import source of test functions

linter: `jsdoc/require-param` false positive on nested function when outer function is not exported

linter: `no-shadow` skips members of `declare namespace` / `declare module` in `.d.ts` files

linter: `vitest/prefer-called-with` does not report `toHaveBeenCalledOnce()`

minifier: `sequences` folds arrow functions using `in` into a `for` initializer, which Safari fails to parse

linter: `jsx-a11y/role-has-required-aria-props` : false positives for unmapped custom components and semantic role elements

linter: "No files to lint" message clobbers formatted output

react-compiler: `declare const x` inside a component is emitted as `const x;` which is a syntax error

react-compiler: `{ ["proto"]: value }` is rewritten to `{ "proto": value }` which sets the prototype instead of creating a property

react-compiler: an allocation nested in a `useMemo` result is cached once per mount and outlives the memo’s dependencies

react-compiler: a `useMemo` whose result is only compared and passed to `setState` loses its memoization

react-compiler: compound assignment and `++` on a member evaluate the object and key expressions twice

react-compiler: `obj.prop++` is compiled to `obj.prop = obj.prop + 1`

react-compiler: `ref.current` is read during render as a cache key when the compiler does not recognise the value as a ref

react-compiler: `useRef()` written inside an object literal, array or JSX attribute is called conditionally after compilation

react-compiler: a variable reassigned inside a memoized block reverts to its initial value on the next render