GTK3 Porting Checklist

Does not work

• Folderview uses too bright colors for row backgrounds (alternating light gray and even lighter gray).

• Foldersel dialog doesn't show alternating colors in the folder list.

• Fancy doesn't block remote content

• Vcalendar week/month views do not work, sometimes even crashes the whole program.

• "gtk-can-change-accels" has been removed: 'GtkSettings:gtk-can-change-accels has been deprecated since version 3.10 and should not be used in newly-written code. This setting is ignored.'

It seems that the only way to re-enable this is to switch to GtkApplication, and write our own acclerator implementation. https://developer.gnome.org/gtk3/stable/GtkApplication.html#gtk-application-add-accelerator

Works, but is ugly

• GtkSpinButton is too wide with the -/+ buttons being large and next to each other, instead of small and one above another like in GTK2.

Deprecated API

• GtkBox -> GtkGrid (for GTK4)

• GtkUIManager is deprecated in GTK3, to be removed in GTK4