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Google Chrome Ends Support for Manifest V2, Disabling uBlock Origin Bypasses

Google Chrome Ends Support for Manifest V2, Disabling uBlock Origin Bypasses

First seen 10 Jun 2026, 07:59 UTC

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ThreatCluster AI
ThreatCluster June 11, 2026 at 07:36 UTC
  • Google Chrome has removed support for Manifest V2 extensions, affecting ad blockers.
  • The removal of MV2 support is part of a transition to the more secure Manifest V3 standard.
  • Other browsers like Edge and Opera may soon disable MV2 extensions as well.

Google Chrome has officially removed support for Manifest V2 (MV2) extensions, including popular ad blockers like uBlock Origin. This change follows the transition to Manifest V3 (MV3), which aims to enhance security and performance. The removal of the kExtensionManifestV2Disabled flag means that users can no longer bypass restrictions on MV2 extensions. This affects millions of users who rely on these extensions for ad blocking and privacy. Other Chromium-based browsers, such as Microsoft Edge and Opera, are expected to follow suit, potentially disabling MV2 support as well. The developer of uBlock Origin has acknowledged the impact of this change. The transition is part of a broader effort to address technical complexities and security risks associated with MV2. Users are advised to prepare for the eventual loss of these extensions.

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Timeline

2026-06-09
Chrome confirms removal of bypass flags
Developers confirmed the removal of internal flags that allowed users to bypass restrictions on MV2 extensions.
Feeds.4Sysops
2026-06-10
Chrome removes MV2 support
Google Chrome has officially ended support for Manifest V2 extensions, impacting users of uBlock Origin and similar tools.
News.Ycombinator

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