Chrome 151 drops Manifest V2 support, forcing workarounds to keep uBlock Origin

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Google Chrome version 151 has fully removed support for Manifest V2 extensions, effectively blocking full-featured ad blockers like uBlock Origin from running. A developer workaround for macOS involves downgrading to Chrome 150.0.7871.187 and preventing the browser from auto-updating to preserve MV2 compatibility. Users must also launch Chrome with specific flags via an Automator app and manually load the uBlock Origin extension in developer mode. However, staying on an outdated browser carries real risks, including exposure to unpatched security vulnerabilities and loss of access to newer web platform features. For those unwilling to accept these trade-offs, switching to Firefox or Safari remains the recommended alternative.

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