1.16 ((new)): Eaglercraft
As of this writing, the original creator of Eaglercraft (lax1dude) stopped active development before completing a full 1.16 port due to technical limitations and performance concerns. However, the open-source nature of the project means that and community-driven builds have attempted to bridge the gap.
Eaglercraft is not an official Mojang/Microsoft product . It is a third-party reimplementation. eaglercraft 1.16
: Versions 1.13 and higher have significantly more dependencies and use newer libraries that are extremely difficult to port to JavaScript. As of this writing, the original creator of