1.14.0 Classic and Slim import skin changes glitch

Hey guys I'm letting u guys know that I'm glad u fix the skin thing but there's still a glitch. I switch my either classic and slim skins and yet my friend ending up look like me. So this skin thing is not 100 percent fixed. Its still need to fix the glitches and its going out of hand. This happens on windows 10, android and ios.