Impressive work!
Minor nit: why does the rendered in-window text use a really awful pixelated font? It looks like what happens when a font gets rendered onto a pixel grid without any hinting or snapping.
It uses exactly the same font in the desktop version, and is probably entirely intentional.
It uses GNU unifont, which is a bitmap font. There could be a bug causing the text to get stretched a little - we had that on Windows prior to this release.