I tried doing Boolean Unite using a shortcut [Cmd + Shift + Plus(+)]
but it seems to conflict with a shortcut for Zoom-in [Cmd + Plus(+)]
So there is not a way to do Boolean Unite using a shortcut.
For cases like this, it would be nice if we can customize shortcut keys for features.
Thanks so much for raising this issue and bringing it to our attention! We’re going to address the Boolean shortcuts as soon as possible.
Once I have an update, I’ll be sure to let you know.