Patch 7.3 Hotfix 1 Edit
Patch 7.3 hotfix1 build 24931 was released to the PTR on August 30, 2017 and later in the day to Live.
Recently in Patch 7.3, Blizzard has acknowledged issues with windowed fullscreen on Mac OS X retina displays where there doesn't seem to be a good scenario that will make in-WoW and non-WoW display/performance good at the same time. They also acknowledged a problem with loading screens on Intel GPU on Mac OS X.
- ^ Rommax 2017-08-29. #38 Patch 7.3 Render Scale Broken (windowed fs). Official Mac Technical Support forum (US).
- ^ Rommax 2017-03-29. #39 Load screens seem graphically glitches now :(. Official Mac Technical Support forum (US).
Glitchy looking loading screens on Intel GPUs is a known issue. We're working on a fix. For the time being, it should be a benign issue. It only affects the appearance loading screens.