Bedrock Edition 1.12.1

1.12.1 is a minor update to Bedrock Edition released on September 2–3, 2019, which fixes bugs.

Fixes

 * Fixed several crashes that could occur during gameplay.
 * Fixed players getting stuck on "Generating World" when loading into a world while located in the End.
 * Fixed an issue that caused many players on Nintendo Switch not being able to sign in to their Microsoft Account.
 * Multiple ender dragons can no longer spawn at once in the End.