Java Edition 1.16.3 Release Candidate 1

1.16.3 Release Candidate 1 (known as 1.16.3-rc1 in the launcher) is the first release candidate for Java Edition 1.16.3, released on September 7, 2020, which fixes bugs.

Trivia
In the bottom left, the text (Minecraft 1.16.3 Release Candidate 1/snapshot) overlaps with the ''Copyright Mojang AB. Do not distrubute!'' text.