Firefox is now the last major browser that still supports uBlock Origin:
Firefox says it will keep supporting uBlock Origin even as Microsoft Edge and other ...
pcworld.com/article/3212428/firefox-is-now-the-last-major-browser-that-still-supports-ublock-origin.html
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Firefox pledges continued support for uBlock OriginFirefox says it will retain uBlock Origin support as Microsoft Edge prepares to adopt Manifest V3.
Key FactsAug 14, 2026 · Reading time: ~45 sec.
Summary created with AI assistance · Source: pcworld.com
Summary created with AI assistance · Source: pcworld.com
- Firefox announced in a Bluesky post that its support for uBlock Origin would continue.
- Microsoft Edge is expected to block uBlock Origin and other Manifest V2-based ad blockers after switching to Manifest V3, which would deny those extensions key functions for identifying and blocking ads.
- Like Opera, Brave, Vivaldi, and Samsung Browser, Edge is based on Chromium, whose shift to Manifest V3 was initiated by Google and is now being followed by Microsoft.
- According to the article, Firefox is therefore the only major browser supporting uBlock Origin, while Safari and DuckDuckGo do not support it and other browsers offer uBlock Origin Lite or built-in ad blockers.
Our support for uBlock Origin isn't going anywhere.— Firefox (via Bluesky post) in response to news that Microsoft Edge will lock out uBlock Origin and other ad-blocking extensions that run on Manifest V2
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