We are now releasing a third Pre-Release for Minecraft 1.21.4 to fix a crash and a few bugs. Watch your step before jumping!

Fixed bugs in 1.21.4 Pre-Release 3

• MC-277977 Teleporting large distances whilst gliding prevents the world from loading and player model glitchiness
• MC-278444 Waterlogged resin clumps do not drop when their supporting block is broken/moved
• MC-278518 Player takes damage from jumping down from one block