The "Modern" version with advanced crafting and features like those found in the Eaglercraft Browser Edition The most popular choice for competitive PvP and server-based gameplay.
While there are 1.12.2 and 1.8.8 clients available, many "1.16" servers you see on Eaglercraft lists are actually 1.8.8 clients using custom proxy plugins. These plugins allow a 1.8.8 player to join a 1.16+ server by translating the new blocks and UI into versions the older client can understand. Key Features of the Eaglercraft Engine eagle craft 116 upd
However, based on the structure of the term, here are the most likely interpretations and related information: The "Modern" version with advanced crafting and features
Supports standard multiplayer via WebSockets, allowing players to join dedicated Eaglercraft servers like ArchMC or Clever Teaching. How to Play eagle craft 116 upd