Yad (yet another dialog) is a fork of Zenity with many improvements, such as custom buttons, additional dialogs, pop-up menu in notification icon and more.
I think this project is the stupidest thing ever. Looking at the homepage, the other states that he forked zenity because it doesn't look active anymore and to drop usage of deprecated libraries. These are nobles goals, but they would be best achieved by taking over zenity development. Getting gnome people to give you maintainership of a module is a relatively easy task (although it takes some time and perseverance to get write access to git) and I'm sure community at large would like to get a regain of activity on zenity.
Renaming this to yad-0.22.1.ebuild works: http://gpo.zugaina.org/gnome-extra/yad
Created attachment 363424 [details] yad-0.24.0.ebuild Ebuild for 0.24.0, based on yad-0.10.0 mentioned in comment #2 with a few modifications (support building with either gtk2 or gtk3 and optionally building the icon browser).
yad is actively maintained and much more powerful than zenity, yet easy to use. As far as zenity development is concerned, I wouldn't really call it 'active', even though it has received a few fixes the past months. But these have been long overdue, and one can't speak of enhancements or new features. yad is not so clean (example: printing column values in --list), but it makes up for that with features. With zenity, one often needs to annoy the user with multiple dialogs, whereas with yad one can do it with one. This fork was a very good decision and not stupid at all.
Created attachment 394240 [details] yad-0.27.0.ebuild Ebuild updated for yad-0.27.0.
Created attachment 394242 [details, diff] fix-setting-combo-field-values-in-form-dialog.patch Patch from upstream for combo box fields in --form dialogs, referenced in the 0.27.0 ebuild.
