It seems there are still some people trying to pass this off as somehow acceptable to Catholics. There are serious problems with the Enneagram, however.
To learn about the problems of the Enneagram, one source is this LHLA page.
For the most part, however, the religious communities that embraced such stuff as the Enneagram are those that have no vocations, so they are less and less able to pass it on, even if they still follow it, and many stopped paying attention to it long ago.
Yes, I’d call it one of those “vocations killers.” There are a number of things that particular religious communities do to make sure they have no vocations, even though that is not their intention. Still, from an outsider’s perspective, it seems like their goal is in fact a negative growth rate.