iPad Pro 12.9” Gen 1 on iPadOS 13.5.1 with Minecraft 1.16.0.
/locatebiome wasn’t added in the 1.16.0 update. This is a parity issue as it is a command added in 1.16.0 Java.
As of May 4th parity issues were permitted to be reported as of this publication. https://feedback.minecraft.net/hc/en-us/articles/360015877192-Parity-Requests-and-You-A-Guide
Linked issues
Comments 3
Thank you for your report!
We're tracking this issue in MCPE-70208, so this ticket is being resolved and linked as a duplicate.
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This is not feature or suggestion. As described it is a parity issue and as stared officially by Mojang all parity issues are permitted on the tracker as of May 4th.