There is a white pixel seen in the peony texture sprite. This has been an issue since the peony and rose textures were tweaked.
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is duplicated by 2
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Comments 3

False alarm the icon sprite still shows a white pixel.

Attached a resource pack that fixes this bug.
Can confirm, not sure if this was intended though, the changelog for 0.15.0 build 2 on MC:PE update news says: "Tweaked rose and peony textures".