Compatibility broken? KeePass+KeeChallenge doesn't work with KeePassXC and Keepass2Android/KeePassDX

[karkla]

I'm currently trying to optimize my password management. Until now I'm using KeePass for Windows only, but in the past I've used Keepass2Android. Everything without any problem until now. The kdbx which works perfectly fine on Windows can't be opened on Android anymore when the Yubikey is used. Without the Yubikey compatibility is fine.
What also works perfectly fine is when a new database (using Yubikey) with KeePassXC is created and opened on Andoid (Keepass2Android and KeepassDX).
Also Databases created with KeePassDX and Yubikey are compatible with Keepass2Android and KeePassXC. I tried different encryption variants and also exported older Versions from KeePass. No success.

It seems there is something special with the KeePass + KeeChallenge implementation. It only works with itself and is not compatible with the other three implementations I've tested.

Any idea?

Thank you very much in advance.