Vlad I'm delighted to report the changes to the UI are amazing. All a11y issues I reported before have been resolved. For my use-case, Kagi now works fantastically, and I'll seriously consider using it in the long term.
The only improvement I can outline at the moment is, I think it would be less ambiguous for screen reader users if inline content consistently had its own heading or landmark (E.G. for quick peeks and quick answers). Quick answers do already have their own landmarks, however most screen reader users don't navigate by landmark, so finding inline content might still be a little cumbersome (hence potentially using a heading instead).
Either way, this is much more of a minor quibble than a serious issue; the work you have done already and the time it took for you to implement improvements has gone above and beyond.
Thank you, from the bottom of my heart