Java Edition 1.17 Release Candidate 2

1.17 Release Candidate 2 (known as 1.17-rc2 in the launcher) is the second and final release candidate for Java Edition 1.17, released on June 7, 2021, which fixes bugs and crashes.

Changes

 * Authlib was updated from 2.2.30 to 2.3.31.
 * Legacy skin handling now has improved skin validation.
 * The spawn egg dispenser behavior now catches any exceptions that could be thrown when spawning the entity.

Fixes

 * Other
 * 2 private issues were fixed

Video
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Trivia

 * This is the first time a major release has two release candidates since 1.0.0. Mainly because release candidates weren't used at all for 1.1 thru 1.15, finally making a return in 1.16.