The official Eaglercraft project (by lax1dude) stopped at version 1.5.2 and 1.8.8. However, "Eaglercraft 188" is often a rebranded, modified client that includes , custom assets, and sometimes even X-ray or fly hacks—which is where reliability issues begin.
Click .
The 1.8.8 version brought significant upgrades over the original 1.5.2 port: Eaglercraft eaglercraft 188 client work