Whenever I open or interact with a window of Glyphs, I get a bunch of the same output in the Macro window:
__self.controller None
__self.controller None
__self.controller None
__self.controller None
__self.controller None
__self.controller None
__self.controller None
__self.controller None
__self.controller None
__self.controller None
__self.controller None
__self.controller None
__self.controller None
It appears to perhaps be a print statement from a mouse-movement observer, because I get more lines of this as I move my mouse.
I haven’t experienced this before today, and the only relevant thing I’ve changed (to my knowledge) is my version of Glyphs.