Efraim Flashner writes: > On Wed, Jan 06, 2021 at 02:58:37PM -0500, Leo Famulari wrote: ... > I'd like to hear from someone with regards to avogadro, perhaps also > qucs. Good thing I happened to see this message! I packaged Avogadro, and it looks like Avogadro 2 uses QT 5 as its default GUI toolkit [0]. I can add packaging Avogadro 2 to my Guix to-do list to make the removal of the original avogadro package a non-issue. Thanks, Kei [0]: https://github.com/OpenChemistry/avogadrolibs/blob/master/CMakeLists.txt#L54