v6.0.3

2025-10-29

Bugfixes

• fix: update delimiters to respect valid js identifier chars (#​1938)

v6.2.1

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What's Changed

• chore: add renovate config by @​43081j in #​1709
• chore: use new renovate schema by @​43081j in #​1713
• chore(deps): update actions/setup-node action to v5 (main) by @​renovate[bot] in #​1711
• chore(deps): update actions/checkout action to v5 (main) by @​renovate[bot] in #​1710
• chore(deps): update dependency eslint to v9 (main) by @​renovate[bot] in #​1715
• chore(deps): update dependency @​rollup/plugin-commonjs to v28 (main) by @​renovate[bot] in #​1714
• chore(deps): update dependency mocha to v11 (main) by @​renovate[bot] in #​1717
• chore(deps): update dependency eslint-plugin-jsdoc to v60 (main) by @​renovate[bot] in #​1716
• chore: disable renovate for 4.x.x by @​43081j in #​1722
• chore(deps): update dependency eslint-plugin-jsdoc to v61 by @​renovate[bot] in #​1727
• chore(deps): update actions/setup-node action to v6 by @​renovate[bot] in #​1729
• chore(deps): update dependencies by @​renovate[bot] in #​1726
• chore(deps): update dependencies by @​renovate[bot] in #​1730
• chore(deps): update dependency node to v24 by @​renovate[bot] in #​1731
• chore(deps): update dependency @​rollup/plugin-commonjs to v29 by @​renovate[bot] in #​1732
• chore(deps): update dependencies by @​renovate[bot] in #​1734
• build(deps): bump koa from 2.14.2 to 2.16.1 by @​dependabot[bot] in #​1683
• docs: update browser usage by @​43081j in #​1736
• chore(deps): update dependencies by @​renovate[bot] in #​1740
• docs: add comprehensive documentation for containSubset assertion by @​Aashish-Jha-11 in #​1739
• Set esbuild target to es2021 to support Safari < 16.4 by @​larabr in #​1737

New Contributors

• @​renovate[bot] made their first contribution in #​1711
• @​Aashish-Jha-11 made their first contribution in #​1739
• @​larabr made their first contribution in #​1737

Full Changelog: chaijs/chai@v6.2.0...v6.2.1

v4.53.3

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2025-11-19

Bug Fixes

• Fix an error where too many modules where flagged for having an unused external import (#​6182)
• Fix an error where an assignment was wrongly tree-shaken when mutating it (#​6183)

Pull Requests

• #​6171: Add test-install CI job to test packaging, installation and importing of rollup package (@​antoninkriz, @​lukastaegert)
• #​6174: Re-enable TypeScript test (@​lukastaegert)
• #​6180: fix(deps): lock file maintenance minor/patch updates (@​renovate[bot], @​lukastaegert)
• #​6182: Tracing the importers chain for exported variables in external module (@​TrickyPi, @​lukastaegert)
• #​6183: Check if left side is included when checking if assigning to an assignment has side effects (@​lukastaegert)

v4.53.2

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2025-11-10

Bug Fixes

• Do not throw when using invalid escape sequences in template literals (#​6177)

Pull Requests

• #​6177: handle TemplateElement with null cooked value (@​TrickyPi)

v4.53.1

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2025-11-07

Bug Fixes

• Fix install script (#​6172)

Pull Requests

• #​6172: fix: move patch-package from postinstall to prepare script (@​mshima)

v4.53.0

Compare Source

2025-11-07

Features

• Improve rendering performance by caching generated variable names (#​5947)

Pull Requests

• #​5947: refactor: store safe variable names in cache for subsequent usage (@​Aslemammad, @​lukastaegert, @​Service account user)
• #​6149: chore(deps): update dependency vite to v7.1.11 [security] (@​renovate[bot], @​Service account user)
• #​6151: fix(deps): update swc monorepo (major) (@​renovate[bot], @​Service account user)
• #​6152: fix(deps): lock file maintenance minor/patch updates (@​renovate[bot], @​Service account user)
• #​6153: chore(deps): lock file maintenance minor/patch updates (@​renovate[bot], @​Service account user)
• #​6155: Fix tests: Do not swallow warnings for multi-format tests (@​lukastaegert, @​Service account user)
• #​6159: chore(deps): update dependency eslint-plugin-unicorn to v62 (@​renovate[bot])
• #​6160: chore(deps): update github artifact actions (major) (@​renovate[bot])
• #​6161: fix(deps): lock file maintenance minor/patch updates (@​renovate[bot], @​lukastaegert)
• #​6164: chore(deps): update dependency @​rollup/plugin-alias to v6 (@​renovate[bot])
• #​6165: chore(deps): update dependency @​rollup/plugin-commonjs to v29 (@​renovate[bot])
• #​6166: fix(deps): update swc monorepo (major) (@​renovate[bot], @​lukastaegert)
• #​6167: chore(deps): lock file maintenance minor/patch updates (@​renovate[bot], @​lukastaegert)

v16.26.1

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It fixes numerous false positive bugs, including many in the declaration-property-value-no-unknown rule for the latest CSS specifications.

• Fixed: *-no-unknown false positives for latest specs by integrating @csstools/css-syntax-patches-for-csstree (#​8850) (@​romainmenke).
• Fixed: at-rule-no-unknown false positives for @function (#​8851) (@​jeddy3).
• Fixed: declaration-property-value-no-unknown false positives for attr(), if() and custom functions (#​8853) (@​jeddy3).
• Fixed: function-url-quotes false positives when URLs require quoting (#​8804) (@​taearls).
• Fixed: selector-pseudo-element-no-unknown false positives for ::scroll-button() (#​8856) (@​Mouvedia).

v16.26.0

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It adds 1 feature and fixes 2 bugs.

• Added: support for customSyntax with function export (#​8834) (@​silverwind).
• Fixed: custom-property-no-missing-var-function false positives for style query in if() function (#​8813) (@​sajdakabir).
• Fixed: media-feature-range-notation false positives for multiple queries and except: exact-value (#​8832) (@​jeddy3).