- update to 2.3:
* Font and Color Style Manager: reload new themes without FVWM restart
* Qt6 integration support
* Optional Picom X Compositor internal support
* Thunderbird 102+ CSS theme integration support
* Firefox up to 113+ CSS theme integration support
* Font and Color Style Manager reshape, add integrations as separate dialog
* (De)Iconify X11 freeze glitch fvwm workaround
* Front Panel initial placement fix instead of workaround
* Fix GWM FvwmScript segfault on exit
* More missing icons in XDG icon theme
* Handle gsettings org.gnome.desktop.interface color-scheme
* Xscreensaver 6.X support
* Add detailed X resources for xcalc and some old Athena based apps
* Tuning X resources for more old apps
* Font and Color Style Manager: remember widget integration options
* GTK3 theme fixes: treat nasty header bar as toolbar
* Initial setup: add detailed integration questions, Qt6 support
* Front Panel clock: triangle hour and minute hands to match original
* GWMPager as popup on workspace change in no-page mode
* Fixed some easy-to-make keyboard shortcuts accidental calls
* Firefox and Thunderbird user.js additions for nice initial look & feel
* Thunderbird HTML compose window toolbar fix
* Docs update, many portability fixes, misc fixes, some typo fixes
* Portability and test phase fixes
- attach url to the source tarball
- use pkgconfig for devel packages
- fixed docs, so we can package it. (seperate package)