DEVONthink mail plug-in problem

I can’t use the Apple Mail plug-in anymore.

I’m using DEVONthink 3.8.

My MacBook Pro M1 is running macOS Monterey 12.1

I’ve used “Install Add-ins” in DEVONthink Preferences to install the Apple Mail plug-in.

Inside Apple Mail, my only option is “DEVONthink_BigSur.mailbundle”

I’m not sure what changed other than moving to my MacBook Pro M1 2 weeks ago. I was successfully using the DEVONthink mail plugin before that.

Any options for me?

There have been many posts about this. Start here and see if that helps. Let us know how you get on.