The Client Breaks when Mac is Running Slowly
On Mac computers, if the computer is running slowly, when I try to play Minecraft, the interface becomes severely distorted and eventually the screen goes black. Closing and reopening Minecraft does not help; I have to restart the computer in order to fix it. It happens in both Creative and Survival.
Environment
Any Mac computer
Created Issue:
The Client Breaks when Mac is Running Slowly
On Mac computers, if the computer is running slowly, when I try to play Minecraft, the interface becomes severely distorted and eventually the screen goes black. Closing and reopening Minecraft does not help; I have to restart the computer in order to fix it. It happens in both Creative and Survival.
Environment
Any Mac computer


And by that I mean that macs got bad graphics cards and stuff too.
Forgot to mention: There's 1 pro here in this bug! X-Ray without using mods
Please force a crash by pressing F3 + C for 10 seconds while in-game and attach the crash report (minecraft/crash-reports/crash-<DATE>-client.txt) here.
I have a few Macs (two slow old ones and one that has been purchased in the last few years and doesn't have "slowness" issues) and have *never* seen this issue on any of my devices.
I run on a mid-2009 Macbook Pro, and while 20fps does approach unplayable, I've never seen anything resembling this.