As irritating as this is my bank's app which implements its own soft keyboard, so not only can I not paste my (complex) banking password, the password manager doesn't recognise it as an input.
Since I can't have the password visible in the password manager on the phone at the same time as the login prompt in the app, this means that I can only use the bank app if I'm 1) next to another device I can get that password on or 2) if I write the password down on something.
Issues like this (including SPP) have forced me to start using sequences of randomly generated words/phonetics for specific websites. It's not ideal, but it allows me to function.
Since I can't have the password visible in the password manager on the phone at the same time as the login prompt in the app, this means that I can only use the bank app if I'm 1) next to another device I can get that password on or 2) if I write the password down on something.