It's a delight to use, if a little esoteric at first. After the experiment phase, the software ecosystem comes up fairly limited. But I recommend visiting.
Here are some more impressions: https://kconner.com/2025/03/09/haiku-os-study-path.html
What kind of hardware do you run it on? Has driver support been an issue?
+1
The window manager might look a little old-fashioned, but it seems solid as a dev workstation.