Chrome Deletes the Last Manifest V2 Extensions on August 31
Summary
The article explains that Manifest V2 extensions were formally deprecated long before August 2026, and Chrome is cleaning up remaining MV2 listings on that date. It details the migration to Manifest V3, including the shift from blocking webRequest to declarativeNetRequest and the move from persistent background pages to service workers, and it examines the real-world impact on extensions like uBlock Origin across Chrome, Edge, and Firefox.