tl;dr: HD4400 has been giving me bizarre artifacts and hangs on the screenshot editing pop-over in Catalina. No changes despite using different SSDs, more RAM, the problem appears in Mojave as well.
I’ve recently completed two additional builds on the ProDesks, with my first being based on an i3 4330—it’s been a stable workhorse for my wife and has performed to expectation.
As my ProDesk source still had a lot of free rigs, I bought two, along with two i3 Haswells from a separate source: a 4150 and a 4160. I’ve never had any experience with HD4400s, but the continued development and ease of WhateverGreen has convinced me to pull he trigger.
Using WEG patching, I got it work on Catalina with full QE/CI—the Launchpad animations are smooth, as are the Dock animations (and the Dock is translucent). But trouble began when I took a screenshot of About This Mac and wanted to edit it straight from the screenshot overlay in the lower right corner. The animation of pulling it into a full window stutters and hangs, artifacts appear where the window should be, and the picture never even appears in the overlay.
I have no idea what the reason could be—the effect is the same on 8GB and 16GB of RAM, on two separate SSDs, and I even went back and installed Mojave on the rig, but the bizarre effect is the same there. I went through the BIOS settings and compared them to the well-functioning i3 4330 rig, and every setting is the same.
I’d ascribe it to the 4150/4160 being too weak to handle the new graphics APIs in Catalina, but the rest of the animations are performing fine—furthermore, I have a i3 3225-based Catalina rig at home and it’s been handling these same animations without breaking a sweat, and I find it hard to believe that a Ivy Bridge GPU would perform better than a Haswell one.
Anyone have any idea what could be causing this? /r/
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