Java Edition 1.17.1 Pre-release 2

1.17.1 Pre-release 2 (known as 1.17.1-pre2 in the launcher) is the second pre-release for Java Edition 1.17.1, released on June 29, 2021, which adds the feature for the logging of named mobs' deaths and fixes bugs.

Technical

 * Logging
 * Deaths of named mobs are now logged.