Same here, it works well, and the Firefox plugin works well for auto fill, too.
Just make sure KeepassXC is set to Automatically save after every change & Automatically reload the database when modified externally, on the General > Basic Settings screen.
I use KeepassXC on my computer and Keepass2Android on my phone. Passkeys work fine and are synchronized across my Synology.
Same here, it works well, and the Firefox plugin works well for auto fill, too.
Just make sure KeepassXC is set to Automatically save after every change & Automatically reload the database when modified externally, on the General > Basic Settings screen.