One note - it may be useful to install `BASH_LOADABLES_PATH=/usr/lib/bash` to the global env.d environment when USE=plugins, now that bash has this feature. It doesn't enable anything by default but just informs bash that it can look for loadables in that location.
(ins)ormaaj@smorgbox ~ $ BASH_LOADABLES_PATH=/usr/lib/bash bash (ins)ormaaj@smorgbox ~ $ enable -f hello hello hello builtin loaded (ins)ormaaj@smorgbox ~ $ hello hello world
