Performance drastically degrade from 8.1.1 to 8.1.2/3 in the desinger view

[nminchin]

Not good news for us i'm afraid

[Feedback] Perspective view load-ahead optimization

Hi Carl, sorry to be the bearer of bad news, but i’ve just tested this and it’s actually made our load times worse and increased them by more than 2x. I took 2 GIF screencaptures at 30fps (nominal, the app [https://www.screentogif.com/] I use I believe does some smarts to work out if frames have changed or not to discard duplicates) when loading the same screen with the load-ahead enabled and disabled. I cut these animations down to only the frames where the page was loading from start to end, …