Same problem (xCode from AppStore)

Same problem with our game. Loading is very slow! 2020-09-24 17:03:40.041014+0200 King of the Beach iOS[29368:2866029] [Metal Compiler Warning] Warning: Compilation succeeded with:  programsource:95:26: warning: unused function 'reduceop'     static inline float4 reduceop(float4 d0, float4 d1)                          ^ programsource:581:26: warning: unused variable 'scnshadowsamplerordz' static constexpr sampler scnshadowsamplerordz = sampler(coord::normalized, filter::linear, mipfilter::none, address::clamptoedge, comparefunc::greaterequal);                          ^ 2020-09-24 17:03:40.212448+0200 King of the Beach iOS[29368:2866029] [Metal Compiler Warning] Warning: Compilation succeeded with:  programsource:95:26: warning: unused function 'reduceop'     static inline float4 reduceop(float4 d0, float4 d1)                          ^ programsource:581:26: warning: unused variable 'scnshadowsamplerordz' static constexpr sampler scnshadowsamplerordz = sampler(coord::normalized, filter::linear, mipfilter::none, address::clamptoedge, comparefunc::greaterequal);

Same here! iMac 2019 is slow, terrible!!! Like an old Windows PC. I think "fusion drive" can be the problem. (with MacPro 2019 the system runs ok) Perform clean install. Same problems! I hope that the "silicon migration" can't be a nightmare for Apple users!!! Please Apple, fix the problems!