It's definitely alive, but my second-hand observation through seeing a friend attempt to use it for years, and even submitting numerous patches, is that it's in perpetual churn and still is only really usable for its lead maintainer.

Said friend went back to the homegrown engine and is much happier.

Where are you looking? I see "ivansafrin authored 6 months ago"

edit: just realised you were talking about one of the branches, attention to detail fail