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Xcode Simulator suddenly responding very very slowly

I have been working on core Animation App (swift), until yesterday Simulator was responding perfectly. All of a sudden every animation in Simulator started showing extremely Slow. It made me very difficult to test my changes on simulator.
- Xcode 10.1
- Simulator iPhone 8 Plus 12.1

Please help to solve this problem

Solution

  • It is because you have activated Slow-Motion—This shortcut should do it: 

    Command ⌘ + T

    Or:

    img