There is no team, it's a one man show, and the split is caused by personality conflict between the author and the rest of the xorg team that doesn't feel that simply shuffling code around without putting actual hard work justifies frequent ABI breakage that leaves users with a broken graphics system. Read this for more info:
Yeah reading those links, this should have been a fork to begin with. Too many people rely on unstable XOrg. We're all used to the Linux model where HEAD is inherently unstable and breaks constantly (ask me how many times people broke the framebuffer driver in the last 5 years). But apparently XOrg does it differently.
https://gitlab.freedesktop.org/xorg/xserver/-/issues/1760#no...
https://gitlab.freedesktop.org/xorg/xserver/-/issues/1797
I'll pass.