First of all I am glad we have a new mob that is ride able second they are fun third i expected some bugs and bug i found mainly just one when they walk towards a lava stream either just lava flowing down from the ceiling or lava going down a hill they go up fine but down is a problem and also i don't know if them not being able to jump is the cause or another bug to cause the floating bug but i hope the Minecraft team fixes it soon. : )
Thank you for your report!
We're actually already tracking this issue in MC-176032, so I resolved and linked this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
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