Eaglercraft 112 2 Github Upd ^new^ -

I need to make sure that the content is engaging and informative, maybe using markdown formatting as requested. Also, check if there are any specific keywords the user wants included. Since the user mentioned "prepare a long feature," it should be detailed, perhaps around 800 words.

: Replaces achievements with the more flexible Advancements system and introduces functions for managing command collections. eaglercraft 112 2 github upd