Leather armor shows as dyed white as well as any armor that is dyed a different color on armor stands. The picture included shows all sixteen colors of armor as white on the stands. when removed the proper color is shown. There were no issues with this prior to the 1.12.0.1 update. This issue occurs when using any texture packs.
Thank you for your report!
We're actually already tracking this issue at MCPE-44669, so we will resolve and link this ticket as a duplicate.
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