new window slow and flickers screen
Operating system version
Description of the issue
when creating a new window (by script), the current screen shows first in grey, pauses a bit - then the new (smaller) window shows.
Under V11, no delay!
Steps to reproduce the problem
have a poulated layout
create a new winow by script
set that window to smaller size
no flickering, no delay
Exact text of any error message(s) that appear
MacBook Air, 8GB RAM, FM14.01 (Advanced)