Deprecating the Legacy: Google Chrome Initiates Final Removal of Manifest v2 Architecture
ID: c477e73f-52e8-5271-8fc6-41623d48ad94
STIX ID: report--c477e73f-52e8-5271-8fc6-41623d48ad94
Feed Name: securityonline.info
Threat Score
The report outlines Chrome's architectural migration from Manifest v2 to Manifest v3, the planned phased removal of MV2 support and experimental flags (culminating around Chrome v150–v151, with final deprecation by June 2026), and the discovery of critical zero-day vulnerabilities in legacy MV2 parsing code. It warns that classic uBlock Origin will cease to operate and recommends alternatives (Brave, Vivaldi, Firefox) or network-level filters for users needing equivalent content-filtering capabilities.
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