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Firefox remains the only major browser supporting uBlock Origin as Chromium-based browsers like Microsoft Edge phase it out under Manifest V3, making it the sole choice for full ad-blocking capabilities.
uBlock Origin will no longer be able to block ads on Facebook, citing the platform's technical countermeasures. Users will see ads on Facebook despite the ad blocker.
Microsoft Edge is following Chrome by ending support for Manifest V2 extensions, gradually disabling older ad blockers like uBlock Origin starting this month and transitioning consumer users to MV3 by the end of 2026, with enterprise deprecation in early 2027.
Google Chrome's transition to Manifest V3 removes the final loopholes for Manifest V2 extensions, effectively ending support for popular ad blockers like uBlock Origin by June 2026.
Google Chrome will remove remaining support for Manifest V2 extensions in versions 150 and 151, effectively ending workarounds that allowed old ad blockers like uBlock Origin to continue working.
Google Chrome is enforcing Manifest V3, which disables workarounds for ad blockers like uBlock Origin, and Microsoft Edge and Opera are expected to implement similar restrictions.