The Bug
When riding a horse with slow falling, both you and the horse will still take damage upon landing, even if both of you have the slow falling potion effect. Note that the horse still falls slowly regardless of if the player is riding it or not, it just doesn't prevent the damage.
Steps to Reproduce
Summon a horse and give it the slow falling effect.
/summon minecraft:horse ~ ~ ~ {Tame:1b,SaddleItem:{id:"minecraft:saddle",Count:1b}} /effect give @e[type=minecraft:horse,limit=1,sort=nearest] minecraft:slow_falling 999 0
Relog, to avoid MC-121788
Switch into survival mode, mount the horse, and ride it off a high cliff.
Wait for the horse to slowly fall to the ground. It still takes damage.
Linked issues
is duplicated by
MC-182415
Horses with slow falling Take Fall Damage when falling
MC-183532
horses with slow falling take fall damage
MC-198760
When using slow falling and riding a horse, donkey, mule, strider or pig, they die from fall damage and so do I.
MC-204666
If the player is riding a horse and both have slowfall it does not work
MC-245592
Horses can still take fall damage when affected with slow falling if they are ridden.
MC-251926
Mounted horses and the player mounting the horse are not immune to fall damage even if the horse has slow falling
relates to
Attachments
Comments
migrated
migrated
can confirm for 20w20b
Avoma
Can confirm in 21w06a.
Avoma
Can confirm in 1.16.5 and 21w08b.
Avoma
Can confirm in 21w10a. Video attached.
migrated
Pigs, donkeys, and mules, too! But not llamas.
ampolive
Can confirm in 1.17.1.
tryashtar
@unknown, I'm hiding your comment and video because this report is not about slow falling not working (that's MC-121788), it's about the horse taking damage even when slow falling is working properly (after a relog).
Avoma
@unknown, my apologies, I misinterpreted this report; thanks for letting me know. Anyway, I can confirm this behavior in 1.19.
[media]
migrated
Can confirm for 22w44a.
Camels experience the same issue.
migrated
Can confirm in 1.19.3 & 1.19.4
migrated
Can confirm in 23w12a
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Can confirm in 23w13a
migrated
Can confirm in 23w16a
migrated
Can confirm in 23w17a
migrated
Can confirm in 23w18a
Timur Nazarov
This is NOT A DUPLICATE of MC-121788. That issue is entirely separate.
MC-121788 Is a bug in which effects don't apply until relog
MC-152258 Is a bug in which effects DO apply but regardless of relog, slow falling does not prevent fall damage on a ridden horse