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Chrome Canary just killed uBlock Origin and other Manifest V2 extensions
(www.androidpolice.com)
This is a most excellent place for technology news and articles.
Are Opera and it's derivatives affected by this?
Yes. There's only 3 major browsers. Chromium (Chrome), Firefox, WebKit (Safari). Nearly every other webbrowser is a fork of one of these, most are forks of Chromium, including Opera. As such, most webbrowsers will be affected by the change.
Good, hopefully I can convince my friends to switch over