Despite trying to stop it from bridging, the large opening in the middle of my part is getting filled when I slice. It oddly starts on the 2nd or 3rd layer. I've included two screenshots below and the factory file. I sliced a near-identical part earlier in the day with no such problem. I do remember this behavior from about a month ago right after the switch to 4.0, but I just moved along at the time.
https://www.dropbox.com/s/c1datkwo0uikb ... ctory?dl=0