Horrible GTK3 / GNOME UI design is leaking into Ubuntu Mate applications in 20.04

[lah7]

Well welcome aboard @gordon! I'm sure you'll have a pleasant stay, as there's a bunch of us who really dig the look & feel of GTK2 widgets, buttons, icons and menus.

May be of interest - we collated a list of GTK3 "regressions" from this retrospective:

GTK3 regressions from a GTK2 perspective

This is just a mini list of "regressions" to track GTK2 behaviours that are still missing/broken in GTK3. Most notably, these are differences since the last GTK2 release of Ubuntu MATE - which was 16.04. Themes: Cannot change colour GTK3's theming engine had completely changed and no longer supports this option. You can technically modify any theme by changing its colour values in a text editor. If you use the Ambiant-MATE family or Yaru-MATE of themes, ubuntu-mate…

Have you considered where you'll be putting the source code for STLWRT? GitHub would be a good outlet - even if it's still not release ready - I can watch for releases and give it a star.