Released
v1.2.5 
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Expands on the image display feature of v1.2.0 by adding proper transparency support (i.e., if you feed it an image with an alpha channel, it'll do the right thing with it)

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You can opt to disable this via a flag, because it comes with a bit of a performance penalty

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It also properly handles 4bpp framebuffers, for real this time. Turns out the JPEG issue in 1.2.0 was actually much more generalized, I just hadn't really noticed it, because, err, coding at night, no frontlight...

. Oops?.
(Text was mostly unaffected by the issue, because the fact that it's either black or white was hiding the underlying issue

).