[MC-102954] Missing sound events, 1.10 (mainly mobs)

I apologize, I'm sure it is reported already for sure, but I can't find it when I search it.
If there is an open bugpost for it, please do link me the bugpost, thanks a lot and sorry for the very likely duplicate bugpost in advance! }=)

Steps to reproduce: Open the latest Minecraft snapshot/prerelease 1 for 1.10, look into the client log:

[10:20:04] [Client thread/WARN]: Missing sound for event: minecraft:block.enchantment_table.use
[10:20:04] [Client thread/WARN]: Missing sound for event: minecraft:entity.husk.ambient
[10:20:04] [Client thread/WARN]: Missing sound for event: minecraft:entity.husk.death
[10:20:04] [Client thread/WARN]: Missing sound for event: minecraft:entity.husk.hurt
[10:20:04] [Client thread/WARN]: Missing sound for event: minecraft:entity.husk.step
[10:20:04] [Client thread/WARN]: Missing sound for event: minecraft:entity.polar_bear.ambient
[10:20:04] [Client thread/WARN]: Missing sound for event: minecraft:entity.polar_bear.baby_ambient
[10:20:04] [Client thread/WARN]: Missing sound for event: minecraft:entity.polar_bear.death
[10:20:04] [Client thread/WARN]: Missing sound for event: minecraft:entity.polar_bear.hurt
[10:20:04] [Client thread/WARN]: Missing sound for event: minecraft:entity.polar_bear.step
[10:20:04] [Client thread/WARN]: Missing sound for event: minecraft:entity.polar_bear.warning
[10:20:04] [Client thread/WARN]: Missing sound for event: minecraft:entity.stray.ambient
[10:20:04] [Client thread/WARN]: Missing sound for event: minecraft:entity.stray.death
[10:20:04] [Client thread/WARN]: Missing sound for event: minecraft:entity.stray.hurt
[10:20:04] [Client thread/WARN]: Missing sound for event: minecraft:entity.stray.step
[10:20:04] [Client thread/WARN]: Missing sound for event: minecraft:entity.wither_skeleton.ambient
[10:20:04] [Client thread/WARN]: Missing sound for event: minecraft:entity.wither_skeleton.death
[10:20:04] [Client thread/WARN]: Missing sound for event: minecraft:entity.wither_skeleton.hurt
[10:20:04] [Client thread/WARN]: Missing sound for event: minecraft:entity.wither_skeleton.step