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☂️ Plan for 2026 Q3 (Jul - Sep)
#23976 · Boshen opened on Jun 30, 2026
8
Linter Product Plan and Progress
#481 · Boshen opened on Jun 26, 2023
69
transformer: ecma decorators
#9170 · Boshen opened on Feb 17, 2025
16

linter: typescript/prefer-string-starts-ends-with takes unicorn rule's severity in overridden files
Bug
oxc-project/oxc#28136 · opened on Oct 23, 2026
linter: react/exhaustive-deps reads a nested callback's returned function as the effect's cleanup
Bug
oxc-project/oxc#28135 · opened on Oct 23, 2026
LSP: Square brackets in path not parsed correctly.
Bug
oxc-project/oxc#28134 · opened on Oct 23, 2026
1
linter: no-undef reports variables declared by Astro’s <script define:vars>
Bug
oxc-project/oxc#28129 · opened on Oct 23, 2026
linter: array-callback-return does not check reduce and reduceRight callbacks
Bug
oxc-project/oxc#28128 · opened on Oct 23, 2026
linter: array-callback-return with checkForEach reports a forEach callback that only throws
Bug
oxc-project/oxc#28127 · opened on Oct 23, 2026
semantic: TS2309 reported for type-only exports alongside export = (TypeScript 7 accepts them)
Bug
oxc-project/oxc#28126 · opened on Oct 23, 2026
oxfmt: drops required parentheses around a logical/nullish expression before a private member access ((a ?? b).#x), changing semantics
Bug
oxc-project/oxc#28123 · opened on Oct 23, 2026
oxc-minify: option to keep annotation comments (@__PURE__, @__NO_SIDE_EFFECTS__)
oxc-project/oxc#28122 · opened on Oct 23, 2026
linter: unicorn/no-array-for-each flags forEach even for non-arrays
Bug
oxc-project/oxc#28107 · opened on Oct 22, 2026
formatter/js: member chain nested in call arguments is not idempotent and diverges from Prettier
oxc-project/oxc#28106 · opened on Oct 22, 2026
oxfmt failed to format Less files
Bug
oxc-project/oxc#28102 · opened on Oct 22, 2026
4
linter: import/no-duplicates and typescript/no-import-type-side-effects fixes combine into an invalid type-only import
oxc-project/oxc#28068 · opened on Oct 22, 2026
1
linter: (jsx-a11y/autocomplete-valid): false positives for valid autofill tokens such as given-name and work email
oxc-project/oxc#28048 · opened on Oct 21, 2026
linter: settings from an extends config do not apply
oxc-project/oxc#28047 · opened on Oct 21, 2026
1
oxc-transform: defaulted parameter before a required parameter with a type reference annotation loses | undefined, which tsc 7 adds
Bug
oxc-project/oxc#28027 · opened on Oct 21, 2026
formatter: Member chains keep the author's line breaks
Feature
oxc-project/oxc#28024 · opened on Oct 21, 2026
formatter: Lists follow the author's layout: keep one item per line, or keep items attached to the brackets
Feature
oxc-project/oxc#28023 · opened on Oct 21, 2026
formatter: Opt-in options to keep the author's layout (data from migrating Effect from dprint)
Feature
oxc-project/oxc#28022 · opened on Oct 21, 2026
1
linter: overrides with directory globs silently don't apply when -c is an absolute path through a symlink
oxc-project/oxc#28001 · opened on Oct 20, 2026
1
linter: import plugin's module graph stays in memory while type-aware linting runs
oxc-project/oxc#27999 · opened on Oct 20, 2026
react-compiler: SIGSEGV and roughly quadratic memory on a long member-expression chain
oxc-project/oxc#27995 · opened on Oct 20, 2026
1
formatter: support language-specific formatting options for embedded code blocks
Feature
oxc-project/oxc#27994 · opened on Oct 20, 2026
2
linter: no-useless-concat and no-unassigned-vars differ from ESLint
oxc-project/oxc#27982 · opened on Oct 20, 2026
linter: react/purity flags impure calls inside async (server) components
Bug
oxc-project/oxc#27974 · opened on Oct 19, 2026

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linter: typescript/prefer-string-starts-ends-with takes unicorn rule's severity in overridden files

linter: react/exhaustive-deps reads a nested callback's returned function as the effect's cleanup

LSP: Square brackets in path not parsed correctly.

linter: `no-undef` reports variables declared by Astro’s `<script define:vars>`

linter: array-callback-return does not check reduce and reduceRight callbacks

linter: array-callback-return with checkForEach reports a forEach callback that only throws

semantic: TS2309 reported for type-only exports alongside `export =` (TypeScript 7 accepts them)

oxfmt: drops required parentheses around a logical/nullish expression before a private member access (`(a ?? b).#x`), changing semantics

oxc-minify: option to keep annotation comments (`@PURE`, `@__NO_SIDE_EFFECTS__`)

linter: unicorn/no-array-for-each flags forEach even for non-arrays

formatter/js: member chain nested in call arguments is not idempotent and diverges from Prettier

oxfmt failed to format Less files

linter: import/no-duplicates and typescript/no-import-type-side-effects fixes combine into an invalid type-only import

linter: (jsx-a11y/autocomplete-valid): false positives for valid autofill tokens such as given-name and work email

linter: settings from an extends config do not apply

oxc-transform: defaulted parameter before a required parameter with a type reference annotation loses `| undefined`, which tsc 7 adds

formatter: Member chains keep the author's line breaks

formatter: Lists follow the author's layout: keep one item per line, or keep items attached to the brackets

formatter: Opt-in options to keep the author's layout (data from migrating Effect from dprint)

linter: overrides with directory globs silently don't apply when `-c` is an absolute path through a symlink

linter: import plugin's module graph stays in memory while type-aware linting runs

react-compiler: SIGSEGV and roughly quadratic memory on a long member-expression chain

formatter: support language-specific formatting options for embedded code blocks

linter: `no-useless-concat` and `no-unassigned-vars` differ from ESLint

linter: react/purity flags impure calls inside async (server) components