[MC-269226] The minecraft:generic.attack_knockback attribute remains unutilized for certain mobs capable of executing melee attacks.

Numerous mobs possess the capability for melee attacks, yet the

minecraft:generic.attack_knockback

attribute remains unutilized. This report diverges from ~~MC-180199~~, as it describes a distinct issue. ~~MC-180199~~ describes a scenario where entities lack this attribute entirely, resulting in error messages when attempting to modify it. In contrast, this bug report concerns entities that have the attribute but remain unused. Below is a list of such mobs where this attribute does not function:

Axolotl
Bee
Dolphin
Goat (MC-229507)
Iron Golem (~~MC-199161~~)
Magma cube
Polar bear
Pufferfish
Rabbit (Killer bunny)
Slime
Wolf

By default, the attribute for all these entities is set to 0.

The attribute works as expected for the following mobs:

Mob	Default value
Bogged	0
Cave spider	0
Drowned	0
Enderman	0
Endermite	0
Fox	0
Frog (see MC-269231)	0
Hoglin	1
Husk	0
Panda	0
Phantom	0
Piglin	0
Ravager	1.5
Silverfish	0
Skeleton	0
Spider	0
Stray	0
Vex	0
Vindicator	0
Warden	1.5
Wither Skeleton	0
Zoglin	1
Zombie	0
Zombie villager	0
Zombified piglin	0

This bug report is also related to ~~MC-250205~~. In addition this bug report could be related to ~~MC-213349~~.