Minecraft skins have white marks for opaque pixels

When I import a Minecraft skin that has opaque pixels in-game, it instead shows them as white pixels, which is clearly a bug.

I did not find this issue on Java Edition; this only happens on Bedrock. 

 

Please fix, thank you.

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In the attached images, the soldier has opaque pixels on his headphones and hands. In Minecraft Bedrock however, they are rendered as solid white.