I noticed that my "button" command reassignments in $HOME/.pymolrc
are ignored/overruled when loading session files either from
the load command or from the command line.
These are the assignments that get reset when loading session files:
Also, I would like to propose that on the density wizard
an option for "Track & Center" (using the brand new center
command) be added to the distro.
IMHO it works better than either of the other tracking options
since it put the subject in the center of the screen without
changing zoom/slab settings. I've attached a modified version
of the wizard which works as a drop-in replacement and which
adds this functionality.