What's your source on Vivaldi abandoning it? Last I heard they hadn't chosen yet. If they go full Manifest V3 then I'll have to abandon my thoughts of returning to Vivaldi (on Firefox now but there are some annoyances).
> First, Google decided to push on with discontinuing APIs used by several content blockers from the extension manifest v3. At the time, we made a promise to find a solution.
>
> Keeping support for the affected extensions (as with anything that gets discontinued in Chromium) would have been hard. Google usually removes most of the code a discontinued feature depends on and refactors anything that code relies on. So after a few versions, you end up with a patch that’s tough to apply every time.
I am reaching a little but their use of past tense makes me feel like they've decided.
https://vivaldi.com/blog/chromium-ad-blockers-choice/
And here's the follow up:
https://vivaldi.com/blog/ad-blocker-vivaldi-browser/
> First, Google decided to push on with discontinuing APIs used by several content blockers from the extension manifest v3. At the time, we made a promise to find a solution.
>
> Keeping support for the affected extensions (as with anything that gets discontinued in Chromium) would have been hard. Google usually removes most of the code a discontinued feature depends on and refactors anything that code relies on. So after a few versions, you end up with a patch that’s tough to apply every time.
I am reaching a little but their use of past tense makes me feel like they've decided.