Enpass seems to be your (and mine) best choice at the moment. At least it's a standalone Qt application (not a JS-based browser one), with it's separate UI and without any autofills without asking. Bonus points for reasonably good integration with your usual clouds (Dropbox, GoogleDrive, OwnCloud, etc) for synchronization.

Cons: NOT open-source, paid cellphone apps.

That #258 issue is for if you use it remotely - which by default it isn't and I don't. The other issue you raise is based on top of that. So as long as you're using KeepassHttp with localhost then you should be ok.

So a slew is not necessarily accurate. But I take you're point, it's definitely a similar weak point that LastPass has.