Skins rendering have a bugged/missing pixels in "Minecraft accounts" window

[grif-on]

Operating System

Windows

Description of bug

It seems that the MultiMC "Minecraft accounts" window is incorrectly rendering white (#FFFFFF) pixels .
On the "main" skin body they become black(?) .
And on the "outer" layer they become completely transparent .

Of course , inside the game (or on namemc) there is no such problem .

How it renders in the "Minecraft accounts" window

Also head icon on the main window

Skin file itself

P.S. The "double/big" head in skin is intentional . I made this skin back in 2014 using Paint , and i feel nostalgic about that big head .

Steps to reproduce

• Start the latest version of MultiMC (at the time of writing it is 0.7.0-4230)
• Download my skin from here or namemc .
• Set it as the current skin (or just preview it) .
• You should observe a bugged rendering .

Suspected cause

Since my skin was been made in "old" Paint , it doesn't have transparent pixels at all . This may explain why white pixels become transparent/black .

This issue is unique

• I have searched the issue tracker and did not find an issue describing my bug.

[Flexico]

I think I have the same problem. My skin has some data stored in the transparency pixels (for use by the Ears mod)