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Google Chrome's Next Update Will Mark the End of Popular ad Blockers
Chrome 150 will end support for Manifest V2 extensions, disabling uBlock Origin for about 40 million users and limiting other content blockers.
Scheduled for release on June 30, Chrome 150 will remove the ExtensionManifestV2Disabled flag, the final technical loophole that allowed uBlock Origin and other older ad blockers to function in the browser.
Google began phasing out Manifest V2 two years ago, arguing the transition to Manifest V3 improves security; critics question if the company—which generated $239.5 billion in ad revenue in 2025—should control tools used to block its own ads.
Raymond Hill, developer of uBlock Origin, noted that uBlock Origin Lite supports only a fraction of filter lists and lacks the dynamic filtering that made the original effective for the estimated 40 million users against rapidly evolving ad-delivery systems.
Users seeking full-capability content blocking can switch to Firefox or Brave, which maintain support for older frameworks, while Chrome 151, expected four weeks after the June 30 update, will strip all remaining flags to finalize the removal.
Although CISA has recommended ad blockers as a defense against malvertising, the migration forces a shift in how browsers handle network traffic; other Chromium-based browsers may follow suit, though Opera continues to support older extensions for the time being.