Mob targets lost their active target after world reload.
For example: Angered wardens sometimes don't roar right after world reload, this allows players to use this bug to sneak away from its pursuit. shortcut
Video:
https://www.youtube.com/watch?v=xzX-pnp1dIQ
Expected results:
Mobs retain their active target after work reload, including checking to see if they are still around.
Linked issues
is duplicated by 2
relates to 14
MC-256289
AngryAt tag is not used by certain neutral mobs, causing them to forget their target upon reloading game
Resolved
MC-91636
Ender dragon spawn sequence freezes when you reload the world
Resolved
MC-279076
Certain mobs will always retarget the player upon reloading the chunks, regardless of distance or gamemode
Resolved
MC-249434
The warden indefinitely roars when attacked by multiple entities
Resolved
MC-307839
Wolves stop attacking their target after entering a portal when leashed
Open
9 more links
I can confirm this behavior.