See PHI642. An install would like to give "Disable User" permission to all users so everyone can participate in a large "Battle Royale" event. This is an excellent idea but may justify shoring up some aspects of how user accounts are currently edited. This was "mostly done" last week by T13186.
See PHI757. Leaving inline comments on the right hand side of files not touched by diff B in an interdiff between A and B raises an error.