Had a game today; the Princesses were taking an exceptionally long time to move and spent most of their time sitting there and seemingly doing nothing. On their screens, the icons were "twitching" and spinning in place without actually doing anything. Megamek was also using a lot of CPU power to do such
Uisng 37.12 dev
Do not run bots in their own Windows, usw the add bot button in the lobby. That way, they are much faster
You need to add more details. What kind of units were you using? Did you or the bot have Aeros? There currently is a path planner specific to aeros on a ground map, and Princess will take ages thinking about paths for Aeros, so if they have them, you will get this behavior. This is a known and documented issue.
This is a duplicate of [#4353], but the related ticket has more information, so I'm going to close this one.
Related
Bugs:
#4353