On Blight, with 387.12 I opened up my plot planner, and the screen blinked. Then I opened the 'add things' window and it it went crazy with rapid nonstop blinking until I managed to close it.
I'll try it with another character and machine.
Tried it on a different machine with a different character and got same problem. Most noticeable with trying to move about the plot with those windows open.
Goofed on the title, and can't seem to edit that