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api.Translator - Edge Support Missing

data:apiCompat data for Web APIs. https://developer.mozilla.org/docs/Web/APICompat data for Web APIs. https://developer.mozilla.org/docs/Web/API

p3Medium priority – Community PRs encouraged.Medium priority – Community PRs encouraged.

Status: Open.

#28839 In mdn/browser-compat-data;

· allout58 opened on Jan 15, 2026

api.Selection.addRange - data doesn't note that multiple ranges are only supported in Firefox

data:apiCompat data for Web APIs. https://developer.mozilla.org/docs/Web/APICompat data for Web APIs. https://developer.mozilla.org/docs/Web/API

Status: Open.

#28742 In mdn/browser-compat-data;

· wbamberg opened on Dec 28, 2025

until-found should be listed as a separate row in the BCD table

data:apiCompat data for Web APIs. https://developer.mozilla.org/docs/Web/APICompat data for Web APIs. https://developer.mozilla.org/docs/Web/API

Status: Open.

#28719 In mdn/browser-compat-data;

· connorshea opened on Dec 20, 2025

api.Document.browsingTopics - The Topics API is not supported in Edge

data:apiCompat data for Web APIs. https://developer.mozilla.org/docs/Web/APICompat data for Web APIs. https://developer.mozilla.org/docs/Web/API

p4Low priority – Community PRs accepted.Low priority – Community PRs accepted.

Status: Open.

#28515 In mdn/browser-compat-data;

· captainbrosset opened on Nov 24, 2025

api.GPU - WebGPU is behind a flag on Linux

data:apiCompat data for Web APIs. https://developer.mozilla.org/docs/Web/APICompat data for Web APIs. https://developer.mozilla.org/docs/Web/API

meeting agendaIssues or pull requests in need of discussion in a project meeting.Issues or pull requests in need of discussion in a project meeting.

Status: Open.

#28451 In mdn/browser-compat-data;

· nkinesis opened on Nov 13, 2025

api.SpeechSynthesisUtterance.boundary_event - supported in desktop Chrome since ???

data:apiCompat data for Web APIs. https://developer.mozilla.org/docs/Web/APICompat data for Web APIs. https://developer.mozilla.org/docs/Web/API

p3Medium priority – Community PRs encouraged.Medium priority – Community PRs encouraged.

Status: Open.

#28419 In mdn/browser-compat-data;

· lionel-rowe opened on Nov 9, 2025

Google Privacy Sandbox API deprecations

data:apiCompat data for Web APIs. https://developer.mozilla.org/docs/Web/APICompat data for Web APIs. https://developer.mozilla.org/docs/Web/API

data:httpCompat data for HTTP features. https://developer.mozilla.org/docs/Web/HTTPCompat data for HTTP features. https://developer.mozilla.org/docs/Web/HTTP

Status: Open.

#28417 In mdn/browser-compat-data;

· bershanskiy opened on Nov 8, 2025

api.Performance.measureUserAgentSpecificMemory - Is listed as experimental

data:apiCompat data for Web APIs. https://developer.mozilla.org/docs/Web/APICompat data for Web APIs. https://developer.mozilla.org/docs/Web/API

meeting agendaIssues or pull requests in need of discussion in a project meeting.Issues or pull requests in need of discussion in a project meeting.

Status: Open.

#28284 In mdn/browser-compat-data;

· aluhrs13 opened on Oct 24, 2025

CanvasRenderingContext2D API: filter - safari reported as not supported

data:apiCompat data for Web APIs. https://developer.mozilla.org/docs/Web/APICompat data for Web APIs. https://developer.mozilla.org/docs/Web/API

p2High priority – Community PRs highly encouraged.High priority – Community PRs highly encouraged.

Status: Open.

#28252 In mdn/browser-compat-data;

· mmarton opened on Oct 20, 2025

Background Synchronization APIs should be marked non-standard

data:apiCompat data for Web APIs. https://developer.mozilla.org/docs/Web/APICompat data for Web APIs. https://developer.mozilla.org/docs/Web/API

Status: Open.

#28155 In mdn/browser-compat-data;

· CharlesWiltgen opened on Oct 9, 2025

<code>api.FontFaceSet.values()</code>/<code>.entries()</code> - Not actually iterable on Firefox

data:apiCompat data for Web APIs. https://developer.mozilla.org/docs/Web/APICompat data for Web APIs. https://developer.mozilla.org/docs/Web/API

p3Medium priority – Community PRs encouraged.Medium priority – Community PRs encouraged.

Status: Open.

#28106 In mdn/browser-compat-data;

· jjspace opened on Oct 6, 2025

api.MediaStreamTrack.applyConstraints.cursor_constraint - Missing compatibility data

blockedBlocked and unable to proceed.Blocked and unable to proceed.

data:apiCompat data for Web APIs. https://developer.mozilla.org/docs/Web/APICompat data for Web APIs. https://developer.mozilla.org/docs/Web/API

Status: Open.

#27993 In mdn/browser-compat-data;

· itsdouges opened on Sep 25, 2025