See if instead of just displaying defaults as (x) , displaying current binding as [x] is possible
Add items, enable/disable show pane titles
seems buggy, need to investigate
scripts/utils/tmux.sh:tmux_get_vers()
Should filter out any devel- prefixes and -rcX suffixes
Until then hardcode it using something like: echo "3.4"
if the installed version of tmux is devel-3.4