Regarding keyboard navigation in the ui. If your are into that just use the cli and create some helpful scripts for rofi, alfred, ueli or whatever you are using if you want to have a ui.

Bitwarden is so insanely good that this minor downside shouldn't keep you from using it.

My mum is really bad with PCs. Yet bitwarden has solved all her password problems. Especially on mobile. With KeepassXC she was just frustrated.