A similar problem is occurring in my Minecraft Bedrock for IOS.
I upgraded to v1.21.44 and the skin could not be loaded.
Character 3 is reloading forever.
The skin is created only from the parts provided by Minecraft.
At the same time, my world also crashed.
The crashed world was created in v1.20.
Like the skin, there was no problem until the version upgrade.
Thank you.
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A similar problem is occurring in my world.
The devices I tried are Windows and IOS.
My world was created with v1.20.
I have been upgraded to v1.21.44 and there is a problem from the first login.
I don't know about multiplayer friends, but there may not have been a bundle in my inventory.
In my case, sometimes it stands up and sometimes it crashes in the middle of loading.
When I am lucky enough to stand up, the air when I am in the water is displayed.
Inventory and chests do not open.
It will crash soon.
When I am lucky, the air display will disappear after a long time.
At that time, the inventory and chest will open.
But that doesn't solve the problem.
In the world that has been saved by replacing the contents of the inventory with a chest, the world where the mob has become a silhouette rises and crashes without moving.
I tried to move the world to the server of my multiplayer friends.
Then the contents of my inventory and ender chest were gone, and I was at the spawn point.
My tools were in my friend's inventory.
Another problem occurred at the same time.
The skin I mainly use can no longer be loaded.
Character 3 is reloading forever.
The skin is created only from the parts provided by Minecraft.
Like the world, there was no problem until the version upgrade.
Thank you.
https://www.dropbox.com/scl/fi/loejtbpz71sezni2khutw/2wevZubAAAA.zip?rlkey=8xphmt1u59qtrnykqcuifq6we&st=w3vk4osq&dl=0