Using Bitwarden as my main password safe was the best decision ever. I love the design and I really appreciate the option to host the vault locally.
However, coming from Keepass, one famous plugin is “KP2A InputStick Plugin”. Using this plugin, the Keepass App allows to use InputStick, a Wireless USB Receiver, to send usernames/passwords to the InputStick’s connected PC. InputStick offers APIs for Android as well as for iOS:
I also concur with your point of view. I will not consider Bitwarden as a viable alternative to KP2A for this specific reason. I attached an Inputstick to all my devices. Unless a secure mechanism is found to pass my credentials from my phone to any device, I do not see any benefit from switching yet.
InputStick being a USB HID class device turned out to be a universal solution. I can use it with a corporate desktop, a datacenter server, a TV box, a console, a smartphone/tablet using a OTG cable. I am unaware of any software/hardware alternative.