chore: release 2.0.0 🚀

[eslintbot]

🤖 I have created a release beep boop

2.0.0 (2026-08-29)

⚠ BREAKING CHANGES

• add meta.languages to CSS rules (#447)

Features

• add meta.languages to CSS rules (#447) (c44dc61)
• add suggestions to no-empty-blocks (#479) (aa750cc)
• check duplicate comma-separated @keyframe selectors (#522) (223fce0)
• make font-family-fallbacks generic fonts case-insensitive (#517) (f010c7b)

Bug Fixes

• correctly identify font-size in font shorthand (#526) (7ac061e)
• detect equivalent selectors in no-duplicate-keyframe-selectors (#512) (f4fbea8)
• distinguish named timeline range keyframe selectors (#507) (c96ceeb)
• handle CSS case-insensitivity (#530) (c979a85)
• recognize nesting feature detection in use-baseline (#531) (de5965b)
• skip validating values containing env() in no-invalid-properties (#510) (ffc5c32)
• update baseline data (005db74)
• update baseline data (43672ee)
• update baseline data (1ae3a41)
• update baseline data (#504) (e90e001)
• update baseline data (#514) (1c8a632)
• update baseline data (#539) (0f7b823)
• update dependency @eslint/css-tree to ^4.0.5 (#511) (500ad2a)

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This PR was generated with Release Please. See documentation.

Summary by CodeRabbit

• New Features

  • Introduced the 2.0.0 major release with updated package and plugin version information.

• Breaking Changes

  • Rule metadata now follows a revised meta.languages format. Review integrations and rule metadata consumers before upgrading.

• Documentation

  • Added a 2.0.0 changelog entry summarizing the release’s feature updates, fixes, and compatibility considerations.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: d15b2b3f-85c8-4b0a-a563-b28a5d1af446

📥 Commits

Reviewing files that changed from the base of the PR and between a340c84 and 0997044.

📒 Files selected for processing (5)

• .release-please-manifest.json
• CHANGELOG.md
• jsr.json
• package.json
• src/index.js

Included review availability: Your plan provides up to 10 included reviews per hour; 9 remain after this review.

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📝 Walkthrough

Walkthrough

The release version changed from 1.4.0 to 2.0.0 across package metadata and plugin metadata. The changelog now documents the breaking change, new features, and fixes in the 2.0.0 release.

Changes

2.0.0 release versioning

Layer / File(s)	Summary
Version metadata synchronization .release-please-manifest.json, jsr.json, package.json, src/index.js	All package and plugin version declarations changed from 1.4.0 to 2.0.0.
2.0.0 changelog entry CHANGELOG.md	The changelog documents the breaking meta.languages rule metadata change, four new features, and eleven fixes or dependency updates.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Merge Risk: ⚪ Minimal · up to 09970

This PR updates the 2.0.0 release metadata, changelog, and package version references. No actionable merge-blocking risk remains beyond normal checks and review.

Suggested reviewers: fasttime

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly identifies the primary change: preparing the package for the 2.0.0 release.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 1…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 1 files. (4 skipped: 4 unsupported.)

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch release-please--branches--main--components--css

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