The past few days I've been building a small tool for checking how many members of a given Matrix room support which maximum room version. The idea has been sparked by room version 12 being released, so that one can assess the adoption rate for the new room version and make an educated decision on when to upgrade rooms.
You can check it out here:
codeberg.org/june64/mrvc
mrvc
mrvc (max room version checker) - a tool for determining how many members support which maximum room version for a given Matrix roomCodeberg.org