So, I wonder if it's conflicting with feather falling. I forgot to mention the boots are actually
Diamond Boots
Feather Falling 4
Frost Walker 2
Unbreaking 3
Here's a video of it happening:
Potentially a duplicate of MCPE-52788
But this issue was supposed to be fixed in 1.14.0.1
I'm on the latest available bedrock version and Frost Walker is not working at all. 😞 1.14.60.5
I found the issue.
I had server authoritative movement turned off. When I turned it back on, frost walker worked.
So if you disable server authoritative movement, frost walker breaks
This seems like a super low priority issue since this has an easy work-around.