FL show 80-100% CPU usage in Activity Monitor during this time. Sometimes instead of just locking up, FL will silently quit. Occasionally I'll get an Apple error report dialog with a stack trace too, but I haven't been ...
So this is a 33.9mb file right?
30min loading time
All sampled instruments [attachment=0] IMG_20200327_234030~2.jpg [/attachment]
Which culprit that uses the CPU? ...