[obsidian3d]

Originally Posted by solger

It's most likely related to the mic privacy settings in macOS: https://support.apple.com/en-us/HT209175

That was it, thank you!

I've had similar problems in the past with my Wacom tablet getting locked out. I expect the same happened to Reaper at some point during an update. I hadn't used it in a while and it didn't occur to me to check the security settings.

Much appreciated.