Starting June 2024, adblockers such as uBlock Origin and many other extensions on Chrome will no longer work as intended. Google Chrome will begin disabling extensions based on an older extension platform, called Manifest V2, as it moves to the more limited V3 version.
Yes. Only browsers not based on chromium won’t see any effects from this.
It depends on the browser. Not all chromium browsers are including the change in their versions.
Even if a chromium fork is totally splitted, they will SE an effect in that they will be less compatible with the upstream. Most chromium forks rely on their upstream, which will be affected by this.