Anyone with a Chromium browser installed, and using Windows or Mac OS, and wanting to continue using fully-featured MV2 extensions, e.g. uBlock Origin (uBO), for as long as possible, may be interested in trying this registry hack posted in various places in the last few weeks.
The best or most detailed 'howto' is probably this set of step-by-step instructions posted in a recent Reddit r/chrome topic:
'
Tutorial on how to Enable Manifest V2 extensions for another year (until June 2025) such as Ublock Origin on Windows/Mac using the registry editor (regedit)':
https://www.reddit.com/r/chrome/comment ... xtensions/
Note. Take care to use the correct path in HKEY_LOCAL_MACHINE\SOFTWARE\Policies\?????? for your particular Chromium browser.
This Vivaldi Forum topic link and screenshot are included here because the Reddit r/chrome 'howto' tutorial (above) only mentions the .reg files needed for Chrome and Brave... for Edge and Vivaldi .reg files see:
https://forum.vivaldi.net/topic/93057/h ... lang=en-US (Some info for Linux users in the comments added to the
"gorhill's post on this" link in text of Reddit r/chrome 'howto' post.)
Example .reg file for Vivaldi, Chrome, etc (adapt as needed).png
Screenshot: Vivaldi Forum link (above) - Example .reg files for Brave, Chrome, Edge, and Vivaldi.
Result in Vivaldi after hack installed and URL '
vivaldi://policy' entered to open browser's 'Policies' page:
Vivaldi Policies page - added Chrome Policies entry.png
Screenshot: Vivaldi Policies page - added 'Chrome Policies' entry
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