eslint

An AST-based pattern checker for JavaScript.

Latest 10.12.0431 published versionseslint/eslint

All versions Compare with 0.17.1

Last checked 21 Sept 2026, 21:07 UTC

Checking sources…

0.18.0

Breaking signals28 Mar 2015GitHub Release

Potential breaking changes

A minor release before 1.0 may contain incompatible changes.
0.17.1 → 0.18.0
The changelog explicitly labels a breaking change.
Breaking: Remove JSX support from no-undef (fixes #2093) (Nicholas C. Zakas)

Additional changes to review1

Fix: Mark variables as used in module scope (fixes #2137) (Nicholas C. Zakas)
Fix: arrow functions need wrapping (fixes #2113) (Nicholas C. Zakas)
Fix: Don't crash on empty array pattern item (fixes #2111) (Nicholas C. Zakas)
Fix: Don't error on destructured params (fixes #2051) (Nicholas C. Zakas)
Docs: Fixing broken links (Ilya Volodin)
Fix: no-constant-condition should not flag += (fixes #2155) (Nicholas C. Zakas)
Fix: Ensure piped in code will trigger correct errors (fixes #2154) (Nicholas C. Zakas)
Fix: block-scoped-var to handle imports (fixes #2087) (Nicholas C. Zakas)
Fix: no-dupe-args to work with destructuring (fixes #2148) (Nicholas C. Zakas)
Fix: key-spacing crash on computed properties (fixes ) (Brandon Mills)

All versions Compare with 0.17.1

Last checked 21 Sept 2026, 21:07 UTC

Checking sources…

0.18.0

Breaking signals28 Mar 2015GitHub Release

Potential breaking changes

A minor release before 1.0 may contain incompatible changes.
0.17.1 → 0.18.0
The changelog explicitly labels a breaking change.
Breaking: Remove JSX support from no-undef (fixes #2093) (Nicholas C. Zakas)

Additional changes to review1

Fix: Mark variables as used in module scope (fixes #2137) (Nicholas C. Zakas)
Fix: arrow functions need wrapping (fixes #2113) (Nicholas C. Zakas)
Fix: Don't crash on empty array pattern item (fixes #2111) (Nicholas C. Zakas)
Fix: Don't error on destructured params (fixes #2051) (Nicholas C. Zakas)
Docs: Fixing broken links (Ilya Volodin)
Fix: no-constant-condition should not flag += (fixes #2155) (Nicholas C. Zakas)
Fix: Ensure piped in code will trigger correct errors (fixes #2154) (Nicholas C. Zakas)
Fix: block-scoped-var to handle imports (fixes #2087) (Nicholas C. Zakas)
Fix: no-dupe-args to work with destructuring (fixes #2148) (Nicholas C. Zakas)
Fix: key-spacing crash on computed properties (fixes ) (Brandon Mills)

Matched wording:deprecated

These matches may be harmless in context. Expand to see the excerpts.

The changelog mentions deprecation; it may still be compatible.
Docs: Adding back deprecated space-unary-word-ops documentation (Ilya Volodin)

#2120

Fix: indent crash on caseless switch (fixes #2144) (Brandon Mills)

Fix: Don't warn about destructured catch params (fixes #2125) (Nicholas C. Zakas)

Update: Omit setter param from no-unused-vars (fixes #2133) (Nicholas C. Zakas)

Docs: Cleaning dead links (Ilya Volodin)

Docs: Moving documentation out of the repository and modifying build scripts (Ilya Volodin)

Docs: Update link to Documentation (Kate Lizogubova)

Docs: Adding back deprecated space-unary-word-ops documentation (Ilya Volodin)

Fix: Unused recursive functions should be flagged (issue2095) (Nicholas C. Zakas)

Breaking: Remove JSX support from no-undef (fixes #2093) (Nicholas C. Zakas)

Fix: markVariableAsUsed() should work in Node.js env (fixes #2089) (Nicholas C. Zakas)

New: Add "always" and "never" options to "one-var" rule. (fixes #1619) (Danny Fritz)

New: newline-after-var rule (fixes #2057) (Gopal Venkatesan)

Fix: func-names with ES6 classes (fixes #2103) (Marsup)

Fix: Add "Error" to the "new-cap" rule exceptions (fixes #2098) (Mickaël Tricot)

Fix: vars-on-top conflict with ES6 import (fixes #2099) (Gyandeep Singh)

Docs: Fixed JSON syntax (Sajin)

New: space-before-function-paren rule (fixes #2028) (Brandon Mills)

Breaking: rule no-empty also checking for empty catch blocks. (fixes #1841) (Dieter Oberkofler)

Update: rule camelcase to allow snake_case in object literals. (fixes #1919) (Dieter Oberkofler)

New: Added option int32Hint for space-infix-ops (fixes #1295) (Kirill Efimov)

New: no-param-reassign rule (fixes #1599) (Nat Burns)

0.18.0#

Potential breaking changes

0.18.0#

Potential breaking changes

0.18.0

0.18.0