James Holderness

neither the original nor the patched version work correctly in the KDE konsole terminal Sorry I should have mentioned that. There are a number of Sixel terminals on which this is not expected to work (at least not any better than it did before), because they simply don't support transparency. In the case of Konsole, they've got an open issue tracking that functionality here: https://bugs.kde.org/show_bug.cgi?id=479125

Transparent sixelgd option doesn't work