I love Blackbox and still use it today, though I privately maintain my own fork with a few bug fixes and hacks for my personal preferences. Best WM I have ever used.
I'm sure your contributions would be welcome in the community. I too run it for my daily driver with my own code tweaks as well. The only thing I did was remove the top bar that had the desktop switcher and clock, and left a 1px space to activate the menu with the mouse (or kb combo) :D
I'm interested --- is your fork public?
Not really. I made a github thing for it but I don't push often and a lot of my changes have hard coded hacks for things I like but prolly wouldn't apply to others (like I use an xrandr setup but rarely actually use the second monitor except for youtubes etc., so I hacked "full screen" and "switch monitor" to use those coordinates based on my setup.)
pfft, fluxbox ftw
Yeah, I'm old. I used blackbox on Linux in '98. Nostalgia.
I used to switch back and forth between that and enlightenment... those were the days...
Now I just have tmux open fullscreen with a couple of window splits & sessions open all the time.
Honestly though, the experience is way better this way.