These sites typically use a JavaScript wrapper (like Eaglercraft) to run the game directly in a browser without needing the official Minecraft Launcher .

: He didn’t build on the surface. That was too risky. He dug straight down into the side of a dirt cliff, sealing the entrance behind him with a single block of cobblestone. The Close Call

Replaced the old "Achievements" system with a more modular and customizable Advancements system (accessed with the 'L' key).