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Google Has Removed MV2 Extensions from the Chrome Web Store, Including UBO
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- DeepHorus
Google has finalized its long-planned transition to the Manifest V3 extension standard by removing all remaining Manifest V2 extensions from the Chrome Web Store. The removal, executed today, includes uBlock Origin, one of the most powerful and widely used content blockers for the web. This marks the end of a multi-year phase-out process for the older extension framework. The move primarily impacts extensions that had not yet migrated to the newer, more restrictive platform.
Google states that extensions already installed on Chrome 138 or earlier will continue to function but will no longer receive updates and cannot be reinstalled from the store. The Chrome Web Store team notified the affected developers prior to the removal. This action effectively sunsets a significant portion of the browser's extension ecosystem that relied on the MV2 capabilities.
The impact of this decision extends well beyond Google Chrome itself. The Chrome Web Store serves as the primary marketplace for extensions across all Chromium-based browsers. Users of popular alternatives like Brave, Vivaldi, and Edge rely on it for discovering and installing extensions. Consequently, the removal prevents users of these browsers from accessing MV2 extensions through the official store, even if their specific browser still supports the older format.
In response, the Brave browser team has taken direct action to preserve access to key tools. Brave will host four popular MV2 extensions on its own backend: AdGuard, uBlock Origin, uMatrix, and NoScript. This allows Brave users to enable these specific extensions directly within the browser installation, circumventing the Chrome Web Store restriction.
Google's rationale for enforcing Manifest V3 centers on security, privacy, and performance. The company argues the newer platform provides stronger protections against malicious extensions and gives users more control. However, critics contend MV3 severely limits the functionality of powerful tools like uBlock Origin, which requires broader system access to effectively filter ads and trackers across the web. The debate highlights a core tension between platform security and user empowerment.
With MV2 extensions now largely inaccessible from the dominant store, the future of advanced ad-blocking and privacy tooling on Chromium browsers appears fragmented. Users must choose between migrating to MV3 alternatives, which may be less capable, switching to non-Chromium browsers that support MV2, or, in Brave's case, relying on browser-specific workarounds. This episode underscores the significant control browser vendors hold over their extension ecosystems and the developer and user communities that depend on them.
