This change is part of Chrome's migration to the new extension specification, Manifest V3, which Google states is designed to enhance privacy and security. Users on social media platforms have reported receiving notifications in Chrome indicating that certain extensions are "no longer supported" and have been turned off.

Google is disabling the original uBlock Origin ad blocker for more Chrome browser users, alongside other extensions that are no longer supported as the browser migrates to its new extension specification,

Google is migrating Chrome browser extensions to a new specification that limits the functionality of ad blockers.

Google Chrome users have been warned to delete 16 “malicious” browser extensions that could lead to a security threat and “fraud” at the hands of a prolific “threat actor.”

Google has been taking greater action against adblock extensions in Chrome. With the introduction of Manifest V3, an update of the Chromium browser on which Chrome is built, more adblockers are apparently being killed off.

Google continues its rollout of gradually disabling uBlock Origin and other Manifest V2-based extensions in the Chrome web browser as part of its efforts to push users to Manifest V3-based extensions.