I read through the link you shared. The developer says you can fix the issue by using the Flatpak. Probably the AppImage fixes it as well.
You write:
“Flatpaks and snaps have long history of slow performance, weird behaviors and difficulties to match their looks to the global applied theme.”
There is no slowness or other issues with the KPXC Flatpak. It is what the KPXC leadership recommends. Works very well… except recently I have the Autostart issue I posted about.
You’re right the Flatpak is slower than the AppImage. I just tested them. The AppImage launches quicker. I wasn’t expecting that for such a small application.
RE: the latest native packages available, can you trust them as much as packages directly from KeePassXC developers?
One thing I like about the Flatpak is being able to disable networking using Flatseal. This provides peace of mind for something as sensitive as a password manager.
So, on Ubuntu distros I prefer Flatpak and Snap to DEB packages. Isn’t the native package just the same as DEB except for Arch? Meaning it has access to the whole system without any sandboxing? Just inquiring because I am learning.