Peter Fleming

This is a duplicate of MCPE-51481

Can you provide some more details

Is this happening on all your worlds?

How many people are in the world?

Is it a LAN game (are all players connected to your internet/ in your house)?

Please reach out to support https://support.xbox.com/games/game-titles/minecraft-info

These IOS devices are not supported:

• iPhone*

• iPhone 3G*

• iPhone 3GS*

• iPhone 4*

• iPhone 4S**

• iPhone 5▵

• iPhone 5C▵

• iPhone 5S▵

• iPhone 6▵

• iPhone 6 Plus▵

iPod Touch:

• 1st Generation*

• 2nd Generation*

• 3rd Generation*

• 4th Generation*

• 5th Generation**

• 6th Generation▵

iPad:

• iPad*

• iPad 2**

• iPad 3rd Generation▵

• iPad 4th Generation▵

*Minecraft not supported due to IOS version

**World not supported due to not enough RAM

▵Minecraft is supported. The world may be supported (but unlikely) make sure all other apps are closed and your phone is in flight mode before opening the world.

Not a bug, it is only randomized on Java Edition when trading with a villager. It is randomized in shipwrecks on both Java and Bedrock.