Minecraft 1.20-pre1
The first 1.20 pre-release is out, adding universal dyeing and fixing an ancient bug.
These writeups assume you have read the Official Changelog before continuing.
Table of Contents
Recipes
The old recipe for dyeing 8 carpets was replaced with the new recipe for dyeing a single carpet at a time.

Death Messages
Two new death messages were added for dying outside the world border:
<player>left the confines of this world
<player>left the confines of this world whilst fighting<attacker>
The death message for /kill is now:
<player>was killed
Misc
Flying mobs are now affected by the properties of the block 0.5 blocks below them, rather than the block 1 block below.
When a player’s game mode switches to spectator, their y velocity is stopped, fixing MC-146582 .
May 11 2023
- Added
/killdeath message