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Pull requests: mdn/browser-compat-data
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Speculation rules webkit
data:api
Compat data for Web APIs. https://developer.mozilla.org/docs/Web/API
data:css
Compat data for CSS features. https://developer.mozilla.org/docs/Web/CSS
data:html
Compat data for HTML elements. https://developer.mozilla.org/docs/Web/HTML
data:http
Compat data for HTTP features. https://developer.mozilla.org/docs/Web/HTTP
size:l
[PR only] 101-1000 LoC changed
#28663
opened Dec 13, 2025 by
tunetheweb
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Add webkit bug ids for various CSS features
data:api
Compat data for Web APIs. https://developer.mozilla.org/docs/Web/API
data:css
Compat data for CSS features. https://developer.mozilla.org/docs/Web/CSS
size:m
[PR only] 25-100 LoC changed
#28662
opened Dec 13, 2025 by
tunetheweb
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Chrome 133 supports more attr functions
data:css
Compat data for CSS features. https://developer.mozilla.org/docs/Web/CSS
size:s
[PR only] 7-24 LoC changed
#28661
opened Dec 13, 2025 by
tunetheweb
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Fix Android support for Chrome 135 beta APIs
data:api
Compat data for Web APIs. https://developer.mozilla.org/docs/Web/API
data:css
Compat data for CSS features. https://developer.mozilla.org/docs/Web/CSS
size:m
[PR only] 25-100 LoC changed
#28660
opened Dec 13, 2025 by
tunetheweb
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Safari 26.2 supports request-close
data:api
Compat data for Web APIs. https://developer.mozilla.org/docs/Web/API
data:html
Compat data for HTML elements. https://developer.mozilla.org/docs/Web/HTML
size:xs
[PR only] 0-6 LoC changed
#28659
opened Dec 13, 2025 by
tunetheweb
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Misc LargestContentfulPaint updates
data:api
Compat data for Web APIs. https://developer.mozilla.org/docs/Web/API
size:m
[PR only] 25-100 LoC changed
#28658
opened Dec 13, 2025 by
tunetheweb
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Release v7.2.2
dependencies
Pull requests that update a dependency package or file.
docs
Issues or pull requests regarding the documentation of this project.
infra
Infrastructure issues (npm, GitHub Actions, releases) of this project
refactor: migrate from TypeScript to JavaScript
bulk_update
An update to a mass amount of data, or scripts/linters related to such changes
infra
Infrastructure issues (npm, GitHub Actions, releases) of this project
linter
Issues or pull requests regarding the tests / linter of the JSON files.
scripts
Issues or pull requests regarding the scripts in scripts/.
size:xl
[PR only] >1000 LoC changed
Issue 28550 Compat data for Browser Extensions. https://developer.mozilla.org/Add-ons/WebExtensions
size:m
[PR only] 25-100 LoC changed
webNavigation events support parentFrameId in firefox
data:webext
#28643
opened Dec 11, 2025 by
rebloor
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Firefox 147 supports Compat data for CSS features. https://developer.mozilla.org/docs/Web/CSS
size:m
[PR only] 25-100 LoC changed
counter-* and quotes properties on ::marker
data:css
#28625
opened Dec 9, 2025 by
chrisdavidmills
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Add Temporal bugs for Bun + Node.js
data:js
Compat data for JS/ECMAScript features. https://developer.mozilla.org/docs/Web/JavaScript
size:s
[PR only] 7-24 LoC changed
#28614
opened Dec 8, 2025 by
simon04
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FF147 WebGPU supported on all apple silicon
data:api
Compat data for Web APIs. https://developer.mozilla.org/docs/Web/API
size:xl
[PR only] >1000 LoC changed
#28604
opened Dec 8, 2025 by
hamishwillee
•
Draft
Bug-1773681 updated navigator.clipboard read and write notes
data:api
Compat data for Web APIs. https://developer.mozilla.org/docs/Web/API
data:webext
Compat data for Browser Extensions. https://developer.mozilla.org/Add-ons/WebExtensions
size:s
[PR only] 7-24 LoC changed
#28587
opened Dec 5, 2025 by
rebloor
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Improve startViewTransition() data
data:api
Compat data for Web APIs. https://developer.mozilla.org/docs/Web/API
data:css
Compat data for CSS features. https://developer.mozilla.org/docs/Web/CSS
data:html
Compat data for HTML elements. https://developer.mozilla.org/docs/Web/HTML
data:http
Compat data for HTTP features. https://developer.mozilla.org/docs/Web/HTTP
size:m
[PR only] 25-100 LoC changed
#28541
opened Nov 27, 2025 by
chrisdavidmills
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Safari 26 removed Compat data for HTML elements. https://developer.mozilla.org/docs/Web/HTML
size:s
[PR only] 7-24 LoC changed
<meta name="theme-color">
data:html
#28503
opened Nov 21, 2025 by
andesco
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Add Compat data for CSS features. https://developer.mozilla.org/docs/Web/CSS
size:m
[PR only] 25-100 LoC changed
display-p3-linear color space to CSS <color> type
data:css
#28479
opened Nov 18, 2025 by
dletorey
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Deprecate Google Privacy Sandbox (Browsing) Topics API
data:api
Compat data for Web APIs. https://developer.mozilla.org/docs/Web/API
data:html
Compat data for HTML elements. https://developer.mozilla.org/docs/Web/HTML
data:http
Compat data for HTTP features. https://developer.mozilla.org/docs/Web/HTTP
size:s
[PR only] 7-24 LoC changed
#28418
opened Nov 8, 2025 by
bershanskiy
•
Draft
Unmark Firefox as partial for Compat data for CSS features. https://developer.mozilla.org/docs/Web/CSS
meeting agenda
Issues or pull requests in need of discussion in a project meeting.
size:s
[PR only] 7-24 LoC changed
::highlight CSS selector
data:css
Promote Daniel Beck back to BCD owner
docs
Issues or pull requests regarding the documentation of this project.
size:xs
[PR only] 0-6 LoC changed
#28373
opened Nov 4, 2025 by
Elchi3
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Chrome 110 applies User-Agent reduction to Navigator properties + Blocked and unable to proceed.
data:api
Compat data for Web APIs. https://developer.mozilla.org/docs/Web/API
data:http
Compat data for HTTP features. https://developer.mozilla.org/docs/Web/HTTP
size:l
[PR only] 101-1000 LoC changed
User-Agent header
blocked
#28275
opened Oct 23, 2025 by
chrisdavidmills
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Bug 1988988 support for masque in Compat data for Browser Extensions. https://developer.mozilla.org/Add-ons/WebExtensions
size:s
[PR only] 7-24 LoC changed
proxy API
data:webext
#28213
opened Oct 16, 2025 by
rebloor
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Extract HTML Compat data for HTML elements. https://developer.mozilla.org/docs/Web/HTML
size:l
[PR only] 101-1000 LoC changed
<datalist> input type subfeatures
data:html
#28189
opened Oct 14, 2025 by
caugner
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Add CSS caret property (WIP - awaiting browser support)
data:css
Compat data for CSS features. https://developer.mozilla.org/docs/Web/CSS
size:m
[PR only] 25-100 LoC changed
#27904
opened Sep 16, 2025 by
yashrajbharti
•
Draft
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ProTip!
Updated in the last three days: updated:>2025-12-10.