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Pull requests: mdn/browser-compat-data
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Firefox v145+ Compression Dictionary (dcb & dcz)
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
#30028
opened Jul 11, 2026 by
Heptazhou
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Node 26.5.0 added Compat data for Web APIs. https://developer.mozilla.org/docs/Web/API
data:browsers
Data about browsers (versions, release dates, etc). This data is used for validation.
size:s
[PR only] 7-24 LoC changed
Blob.textStream(), Request.textStream(), Response.textStream()
data:api
#30026
opened Jul 10, 2026 by
turansky
Contributor
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Chrome 150 system color web app scope
data:css
Compat data for CSS features. https://developer.mozilla.org/docs/Web/CSS
size:m
[PR only] 25-100 LoC changed
#30025
opened Jul 10, 2026 by
chrisdavidmills
Contributor
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Chrome 148 localized manifest members
data:manifests
size:m
[PR only] 25-100 LoC changed
#30024
opened Jul 10, 2026 by
chrisdavidmills
Contributor
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Verify and update Firefox feature flag 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:http
Compat data for HTTP features. https://developer.mozilla.org/docs/Web/HTTP
infra
Infrastructure issues (npm, GitHub Actions, releases) of this project
linter
Issues or pull requests regarding the tests / linter of the JSON files.
size:l
[PR only] 101-1000 LoC changed
feat(schemas): add Issues or pull requests regarding the documentation of this project.
infra
Infrastructure issues (npm, GitHub Actions, releases) of this project
linter
Issues or pull requests regarding the tests / linter of the JSON files.
schema
Isses or pull requests regarding the JSON schema files used in this project.
scripts
Issues or pull requests regarding the scripts in scripts/.
semver-minor-bump
A change that adds a new, non-potentially-breaking feature for consumers
size:l
[PR only] 101-1000 LoC changed
index to published browser release objects
docs
#30008
opened Jul 8, 2026 by
caugner
Contributor
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Lint that a child feature's version range is inside its parent's range
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:js
Compat data for JS/ECMAScript features. https://developer.mozilla.org/docs/Web/JavaScript
infra
Infrastructure issues (npm, GitHub Actions, releases) of this project
linter
Issues or pull requests regarding the tests / linter of the JSON files.
size:l
[PR only] 101-1000 LoC changed
Firefox 153 implements new popover hint behavior
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:m
[PR only] 25-100 LoC changed
#29939
opened Jun 29, 2026 by
hamishwillee
Contributor
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Issue 29704 webextensions.api.menus.ContextType "tab" support in Chrome-150
data:webext
Compat data for Browser Extensions. https://developer.mozilla.org/Add-ons/WebExtensions
size:xs
[PR only] 0-6 LoC changed
#29738
opened May 24, 2026 by
rebloor
Contributor
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Node.js 15.3.0…26.0.0
data:api
Compat data for Web APIs. https://developer.mozilla.org/docs/Web/API
data:browsers
Data about browsers (versions, release dates, etc). This data is used for validation.
data:js
Compat data for JS/ECMAScript features. https://developer.mozilla.org/docs/Web/JavaScript
data:wasm
Compat data for Web Assembly features. https://developer.mozilla.org/en-US/docs/WebAssembly
size:xl
[PR only] >1000 LoC changed
feat(scripts/release): list renamed features in release notes
infra
Infrastructure issues (npm, GitHub Actions, releases) of this project
scripts
Issues or pull requests regarding the scripts in scripts/.
size:l
[PR only] 101-1000 LoC changed
feat(lint): check descriptions of static members
data:api
Compat data for Web APIs. https://developer.mozilla.org/docs/Web/API
infra
Infrastructure issues (npm, GitHub Actions, releases) of this project
linter
Issues or pull requests regarding the tests / linter of the JSON files.
size:l
[PR only] 101-1000 LoC changed
PlatformArch values support details
data:webext
Compat data for Browser Extensions. https://developer.mozilla.org/Add-ons/WebExtensions
size:l
[PR only] 101-1000 LoC changed
feat(lint): replace HTML code tags and links in descriptions + 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
infra
Infrastructure issues (npm, GitHub Actions, releases) of this project
linter
Issues or pull requests regarding the tests / linter of the JSON files.
size:l
[PR only] 101-1000 LoC changed
fix(lint): add MDN urls for features with Compat data for Web APIs. https://developer.mozilla.org/docs/Web/API
infra
Infrastructure issues (npm, GitHub Actions, releases) of this project
merge conflicts 🚧
This PR needs to merge latest "main" branch to resolve a merge conflict or other issue.
size:m
[PR only] 25-100 LoC changed
@@ prefix
data:api
Chromium partially supports Compat data for CSS features. https://developer.mozilla.org/docs/Web/CSS
size:m
[PR only] 25-100 LoC changed
{align,justify,place}-self with absolute positioning
data:css
#29342
opened Mar 25, 2026 by
captainbrosset
Contributor
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refactor(test): migrate from mocha to node:test/assert
bulk_update
An update to a mass amount of data, or scripts/linters related to such changes
dependencies
Pull requests that update a dependency package or file.
infra
Infrastructure issues (npm, GitHub Actions, releases) of this project
linter
Issues or pull requests regarding the tests / linter of the JSON files.
merge conflicts 🚧
This PR needs to merge latest "main" branch to resolve a merge conflict or other issue.
scripts
Issues or pull requests regarding the scripts in scripts/.
size:l
[PR only] 101-1000 LoC changed
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.
merge conflicts 🚧
This PR needs to merge latest "main" branch to resolve a merge conflict or other issue.
size:s
[PR only] 7-24 LoC changed
::highlight CSS selector
data:css
Update all browsers data for text-orientation CSS property
data:css
Compat data for CSS features. https://developer.mozilla.org/docs/Web/CSS
size:s
[PR only] 7-24 LoC changed
#27189
opened Jun 30, 2025 by
queengooborg
Contributor
•
Draft
Chrome 8 added Compat data for CSS features. https://developer.mozilla.org/docs/Web/CSS
size:xs
[PR only] 0-6 LoC changed
speak CSS property
data:css
#27188
opened Jun 30, 2025 by
queengooborg
Contributor
•
Draft
Adding subfeatures guidance
docs
Issues or pull requests regarding the documentation of this project.
meeting agenda
Issues or pull requests in need of discussion in a project meeting.
merge conflicts 🚧
This PR needs to merge latest "main" branch to resolve a merge conflict or other issue.
#17352
opened Aug 15, 2022 by
hamishwillee
Contributor
•
Draft
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