There’s a new beta you can try:
I was sure I saw this question even before, and turns out I’m right. Someone else reported a similar issue so it’s maybe something broken on Anki’s side: Paste shortcut does not work in Anki on Mac. It works in all other programs, but not in Anki. This started happening after the update
edit: damn it’s right there in related topics at the bottom of the screen, i keep forgetting this feature exists.