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Issue 44114 chrome support for the browser namespace#44149

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rebloor wants to merge 2 commits into
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rebloor:Issue-44114-Chrome-support-for-the-browser-namespace
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Issue 44114 chrome support for the browser namespace#44149
rebloor wants to merge 2 commits into
mdn:mainfrom
rebloor:Issue-44114-Chrome-support-for-the-browser-namespace

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@rebloor
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@rebloor rebloor commented May 17, 2026

Description

Update various content to note that, with the exception of extensions using DevTools pages, browsers based on Chromium 148 support the browser namespace for the WebExtension APIs.

Motivation

To provide up-to-date information on Chrome's browser namespace support.

Related issues and pull requests

Fixes #44114
Changes for Extension Workshop in mozilla/extension-workshop#2336
See also #44225

@rebloor rebloor requested review from Rob--W and bacharakis May 17, 2026 23:42
@rebloor rebloor self-assigned this May 17, 2026
@rebloor rebloor requested a review from a team as a code owner May 17, 2026 23:42
@rebloor rebloor added the Content:WebExt WebExtensions docs label May 17, 2026
@github-actions github-actions Bot added the size/s [PR only] 6-50 LoC changed label May 17, 2026
@github-actions github-actions Bot added the merge conflicts 🚧 [PR only] label May 18, 2026
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This pull request has merge conflicts that must be resolved before it can be merged.

@rebloor rebloor changed the base branch from Issue-44114-Chrome-support-for-the-browser-namespace to main May 19, 2026 18:35
@github-actions github-actions Bot removed the merge conflicts 🚧 [PR only] label May 19, 2026
@Rob--W
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Rob--W commented May 21, 2026

By the way, the browser global is the first extension API with a "formal" specification, at https://w3c.github.io/webextensions/specification/window.browser.html

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Document Chrome's support for the browser namespace

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