The stuff that I missed from XEmacs I could implement in 40 lines of elisp in GNU Emacs.
Two years ago the XEmacs packages were removed from Debian.
The XEmacs release manager - doing what the does best - has written a looong announcement about the ever slowing pace of XEmacs, and questions the future.
It has been a long time coming, but maybe a refocus for the folks left is a good thing. ⊗