On Wed, 29 Apr 2020 14:41:47 GMT, mark wrote:
[…]
or progressing much. If I get the time I'll redo this app in wxPython I guess.

Might it be worth trying Python and GTK+ to see if the problem is with GTK+?

I had assumed wxPython was stuck in Python 2, or did Phoenix work and get relabelled wxPython for Python 3?