Java Edition 1.16 Release Candidate 1

1.16 Release Candidate 1 (known as 1.16-rc1 in the launcher) is the first release candidate for Java Edition 1.16, released on June 18, 2020,

Fixes

 * MC-150543 - Using a stonecutter can sometimes crash the game in certain circumstances
 * MC-174790 - Mob on turtle eggs causes the game to crash
 * MC-181833 - Crash on world startup after playing world in 20w18a