Launcher 2.1.122xx

2.1.12266 (macOS), 2.1.12269 (Windows), or 2.1.12273 (Linux) was an update to the launcher. This version added a section to sign up for the Minecraft Dungeons beta.

Additions

 * Section Minecraft Dungeons
 * Currently conatins sing-up button and few videos from Minecraft Dungeons.

Fixes
启动器2.1.122xx