So if we now have Vaultwarden + keyguard can these things move away from Bitwardens api and pursue their own?
I skimmed the thread, so maybe I missed it, but from what I saw, saying they deliberately broke Vaultwarden is a bit if a stretch. They likely develop their apps without taking into account others (and rightfully so), and it happened to break an unsanctioned 3rd party implementation. Nothing nefarious.
The “nefarious” dividing line is often hard to assess. For a better-known example, it’s interesting just how many times Google has done things like degrading their stuff on Firefox by user-agent string detection, and then been all apologetic about it, it was a mistake, &c. Malice and incompetence can be indistinguishable.