Well that took me down a rabbit hole. Xed is a fork of pluma, and is an X-App included with Linux Mint. (Seems to be under very active development.) [0] Pluma

Well that took me down a rabbit hole. Xed is a fork of pluma, and is an X-App included with Linux Mint. (Seems to be under very active development.) [0] Pluma is a fork of gedit2, seems mostly to integrate it nicer with MATE. (Seems to be under very active development.) [1] gedit is also still around, and is still "Gnome's text editor", and seems to be under very active development. [2] [0] https://github.com/linuxmint/xed https://github.com/linuxmint/xed [1] https://github.com/mate-desktop/pluma https://github.com/mate-desktop/pluma [2] https://gitlab.gnome.org/GNOME/gedit https://gitlab.gnome.org/GNOME/gedit