From PC World: It was previously reported by Neowin that uBlock Origin was no longer available for Microsoft’s Edge browser. Following in the footsteps of Google, who killed the uBlock Origin extension on Chrome, it seemed Microsoft had removed the popular ad blocker from Edge’s add-on store.
All of the hubbub surrounding uBlock Origin stems from Google deprecating the Manifest V2 browser extension standard in Chromium. As you may well know, Chrome isn’t the only web browser built on Chromium—in fact, most modern web browsers are, including Edge.
Google claims that Manifest V3 is meant to improve the safety and efficiency of browser extensions, but it comes with a big drawback: new limitations and restrictions that make ad blockers less effective.
In the case of uBlock Origin, the extension just isn’t compatible with Manifest V3, hence it no longer working with Chrome and most Chromium-based browsers. Many users have since moved on to its less-effective successor with fewer features, uBlock Origin Lite.
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