GLKView has been deprecated since iOS13

[Yang-Xijie]

https://stackoverflow.com/questions/51239337/what-is-alternative-solution-for-glkview-class-deprecated-in-ios-12

Is it possible to convert GLKView to MTKView?

[Yang-Xijie]

Metal SDK is supported. Maybe upgrade this project using Metal is a good choice.

https://www.live2d.com/en/download/cubism-sdk/

[mzyy94]

Thank you nice suggestion! I'll try to use Metal in the next version 😃