Eaglercraft runs well, but you can optimize it further:
Eaglercraft 1.8.8 isn't just a visual clone; it is a fully playable environment. eaglercraft 18 8
A: No. Eaglercraft 18.8 has its own offline skin system. Some servers implement Discord authentication, but Microsoft/Mojang logins are not supported. Eaglercraft runs well, but you can optimize it