We've been asking for a good JS and HTML engine, faster than what Firefox uses, and for better compatibility with websites (there are webs that don't work properly with Firefox). And to not put the Manifest V3 into Firefox (which it's done already, besides we still have uBlock Origin working as intended, for now, because nobody knows what's going to happen with that in the future).
And I think that's way more important that being able to group tabs.
And we then ask why people aren't using Firefox...
In fact that latter example might provide a solution. Set up a company willing to publish apps whilst hiding the actual developer's identity.
It should be everywhere, no matter the place or the platform.
God bless old times when programmers cared about quality rather than stuff like this... "vive coding"... My God...