Xcode 12.3 Release Simulators Dock Yellow / buggy

Developer Tools & Services Xcode Xcode Simulator

Created Dec ’20

Replies 39

Boosts 0

Views 7.0k

Participants 37

Has anyone noticed the 14.3 Simulators have like a yellow tint dock and really weird colors on the app library etc. Something seems off. Im on latest Catalina

Boost

salvatop OP

Dec ’20

File → GPU Selection → Prefer Integrated GPU as suggest by Darrarski it's a valid workaround

dfrobison OP

Dec ’20

Same problem and File → GPU Selection → Prefer Integrated GPU didn't work for me.

PacoLabs OP

Dec ’20

Same problem.
File → GPU Selection → Prefer Integrated GPU (and simulator restart) does not work for me.
I'm on Catalina, iMac 2017.

muellnes OP

Dec ’20

Before switching to the integrated GPU you might need to check if your system even has one, for all mac pro's and most iMacs this is not a valid workaround as these machines just come with discrete GPUs.
So if you run Xcode 12.3 on these machines you are required to use the iOS 14.2 Simulators, which work as expected.

Ticket filed: FB8942599

Anatoly_dev OP

Dec ’20

The same issues for me, iMac 2017 4k, Big Sur 11.1, Xcode 12.3

nmanzini_iomedia OP

Dec ’20

some Dev at Apple must have left a debug flag to true and all those nav bar, tab bar and other are yellow now also in the storyboard...

sbcecon04 OP

Dec ’20

same problem

jkwuc89 OP

Dec ’20

Ditto. I suspect Xcode 12.3.1 will fix this. In the meantime,

Change the simulator settings to use the integrated GPU (not ideal because simulator performance will suffer)
Install and use the iOS 14.2 simulator

priore OP

Dec ’20

Same for me, these who make xcode have become very careless in these two years.

hatfinch OP

Dec ’20

Same bug here.

attilio OP

Dec ’20

same here

Lukaspkrr OP

Dec ’20

Same here

FedeBell94 OP

Dec ’20

Same here. Big sur 11.1, simulator iPhone11 iOS 14.3

nicoelayda OP

Dec ’20

Same issue here on macOS 11.1 and Xcode 12.3. Certain parts of the screen appear yellow in Interface Builder and the simulator.

I was able to work around it by setting File > GPU Selection > Prefer Integrated GPU in the Simulator, then restarting Xcode.

tikhop OP

Dec ’20

Same here!