Java Edition 1.17.1 Release Candidate 1

1.17.1 Release Candidate 1 (known as 1.17.1-rc1 in the launcher) is the first release candidate for Java Edition 1.17.1, released on July 1, 2021, which fixes bugs and crashes.

General

 * Death messages
 * Two previously untranslated death messages for some underwater mobs have been added: