What's New

• 1 status change: xslt regressed from Baseline widely available to limited availability, due to Chrome withdrawing support for the feature.

What's Changed

• Bump @mdn/browser-compat-data from 7.3.10 to 7.3.11 by @dependabot[bot] in #3946

Full Changelog: v3.23.0...v3.23.1

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This is a continuously-updated prerelease generated from main (currently at 958736b).

What's New

• 1 redirect: rect-xywh replaces rect-xywx due to a typo
• 8 features: bmp, border-shape, dynamic-range-limit, gif, jpeg, languagemodel, navigation-timing-confidence, and web-animations-iterationcomposite
• 4 groups: fetch, http, image-formats, and mathml
• 1 status change: clear-site-data regressed from Baseline newly available to limited availability, due to browser bugs previously untracked in upstream data sources.

What's Changed

• Add navigation-timing-confidence by @ddbeck in #3906
• Add iterationComposite feature by @ddbeck in #3907
• Add dynamic-range-limit CSS feature by @ddbeck in #3898
• Add groups for Fetch, Image formats, HTTP, and MathML by @captainbrosset in #3895
• meta-theme-color: emphasize hint nature in description by @ddbeck in #3897
• Add Prompt API by @ayuishii in #3918
• Add border-shape CSS feature by @ddbeck in #3920
• Bump @mdn/browser-compat-data from 7.3.9 to 7.3.10 by @dependabot[bot] in #3928
• Correct ID for rect/xywh CSS functions by @jugglinmike in #3934
• Regress clear-site-data status by @ddbeck in #3887
• Add more image formats: BMP, GIF, and JPEG by @ddbeck in #3921

New Contributors

• @ayuishii made their first contribution in #3918

Full Changelog: v3.22.1...v3.23.0

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What's New

• Status changes:
  • Newly available: font-family-math, iterator-concat, readable-byte-streams, reporting, webtransport

What's Changed

• Bump @mdn/browser-compat-data from 7.3.8 to 7.3.9 by @dependabot[bot] in #3900

Full Changelog: v3.22.0...v3.22.1

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What's New

• 2 features: declarative-webmcp, focusgroup
• 1 group: reading-order
• Status changes:
  • Newly available: text-indent-each-line, text-indent-hanging
  • Widely available: contain-intrinsic-size, counter-style, device-orientation-events, hyphenate-character, hyphens, image-set, modulepreload, overflow, storage-manager, subgrid, update

What's Changed

• Add Declarative WebMCP API feature by @beaufortfrancois in #3858
• Add focusgroup feature by @captainbrosset in #3843
• Bump @mdn/browser-compat-data from 7.3.7 to 7.3.8 by @dependabot[bot] in #3881
• Create a reading-order group by @ddbeck in #3886

Full Changelog: v3.21.0...v3.22.0

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What's New

• 2 features: fetch-formdata and navigator-modelcontext
• 1 group: webmcp
• The Baseline status of font-family-math regressed from newly available to limited availability. The feature advanced to newly available prematurely, due to an incorrect version number in upstream data. It's expected to advance correctly in the near future.

What's Changed

• Add navigator.modelContext (WebMCP) feature by @beaufortfrancois in #3779
• Extract formData out of Fetch and into a new feature by @captainbrosset in #3813
• Re-ID WebMCP by @captainbrosset in #3857
• Baseline in the wild: Add presentation link by Rachel Andrew for March 2026 by @captainbrosset in #3856
• Bump @mdn/browser-compat-data from 7.3.6 to 7.3.7 by @dependabot[bot] in #3867

New Contributors

• @beaufortfrancois made their first contribution in #3779

Full Changelog: v3.20.0...v3.21.0

What's New

• Features: loading-lazy-media, mathml-full, signature-based-resource-integrity, text-decoration-skip-ink, text-decoration-skip-ink-all, and text-decoration-spelling-grammar

What's Changed

• Add signature-based integrity feature by @ddbeck in #3811
• Add discouraged MathML Full feature by @captainbrosset in #3715
• Break out text-decoration-skip-ink and text-decoration-skip-ink: all into separate features by @ddbeck in #3841
• font-width: Add @font-face descriptor to feature by @ddbeck in #3800
• Add lazy-loading for <video> and <audio> feature by @hjanuschka in #3837
• Bump @mdn/browser-compat-data from 7.3.5 to 7.3.6 by @dependabot[bot] in #3848
• Add text-decoration-line: spelling-error and grammar-error feature by @ddbeck in #3846

New Contributors

• @hjanuschka made their first contribution in #3837

Full Changelog: v3.19.0...v3.20.0

What's New

• 1 feature: abortsignal-timeout

What's Changed

• Fix typo in Zstandard description by @captainbrosset in #3812
• Add caniuse mapping for initial-letter CSS property by @captainbrosset in #3821
• Update Baseline definition doc from owners group meeting by @ddbeck in #3338
• Bump @mdn/browser-compat-data from 7.3.3 to 7.3.4 by @dependabot[bot] in #3818
• Bump @mdn/browser-compat-data from 7.3.4 to 7.3.5 by @dependabot[bot] in #3831
• webgpu: Add unknown limits option by @ddbeck in #3810
• Add missing keys to interest invokers by @ddbeck in #3827
• Extract AbortSignal.timeout() into its own feature by @overbalance in #3822

New Contributors

• @overbalance made their first contribution in #3822

Full Changelog: v3.18.0...v3.19.0

What's New

• 3 features: install, navigation-precommit-handlers, and wasm-jspi

What's Changed

• Add Patrick's talk at FOSDEM 2026 to Baseline in the wild by @tidoust in #3786
• Add modern-css.com to Baseline in the wild by @naeemnur in #3788
• Add WebAssembly JavaScript Promise Integration (JSPI) feature by @captainbrosset in #3791
• Finesse the JSPI description even more by @ddbeck in #3794
• Add Navigation API precommit handler feature by @captainbrosset in #3792
• Add caniuse alias to customizable-select by @Fyrd in #3798
• Bump @mdn/browser-compat-data from 7.3.2 to 7.3.3 by @dependabot[bot] in #3804
• Add <install> element feature by @captainbrosset in #3775

New Contributors

• @naeemnur made their first contribution in #3788
• @Fyrd made their first contribution in #3798

Full Changelog: v3.17.0...v3.18.0

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What's New

• The text-wrap-* features have been reorganized and consolidated into text-wrap, text-wrap-balance, and text-wrap-pretty in #2900
• 8 features: capture-handle, digital-credentials, geolocation-element, languagedetector, manifest-localization, meta-text-scale, random-function, and translator
• 1 group: geolocation

What's Changed

• Add <geolocation> HTML element feature and geolocation group by @ddbeck in #3757
• MouseEvent and WheelEvent moved to Pointer Event spec by @plehegar in #3690
• Add Digital Credentials by @Elchi3 in #3286
• Add capture handle feature by @foolip in #2904
• Reduce the number of text-wrap features to just 3 by @foolip in #2900
• Add CSS random() function by @nt1m in #3765
• Bump @mdn/browser-compat-data from 7.3.1 to 7.3.2 by @dependabot[bot] in #3770
• Add manifest localization feature by @captainbrosset in #3772
• Add <meta name="text-scale"> feature by @ddbeck in #3759
• Add translator and language detector API features by @ddbeck in #3758
• Use BCD mediatypes data in existing image format features by @ddbeck in #3624

New Contributors

• @plehegar made their first contribution in #3690

Full Changelog: v3.16.0...v3.17.0

Subscribe to the Upcoming changes announcements thread for news about upcoming releases, such as breaking changes or major features.