Yeah, so I tried using Finale 25, and the same problem is happening. An upgrade doesn't seem to make a difference. So I put in a request to the support page and we'll go from there. On Mike's note...
A few things: As far as I can tell, the Metatools have not disappeared, and are defined. I opened up a completely different document and tried adding no articulations to no avail. (pic attached) In...