No ChangeLog since the diff from 2.12 to 3.22.1 would just be
too long. Excerpt from https://github.com/GNOME/glade/blob/master/NEWS
for 3.22.0:
============
Glade 3.22.0
============
- Fix bug 774994 "in treeview columns editor contextual menu does nothing"
- Simplified GladeBaseEditor
- Fix formatting / layout of project verification details (Daniel P. Berrange)
- Widge chooser: activate treeview with single click and enable Drag & Drop
- Fix Design view selected state
- Fixes bug 793036 "GtkCellRenderer Properties not loaded from glade file"
(peter Onion)
- Fix bug in action widgets response-id parsing on 32bits system
- Fix bug 772485 "File Name property of GtkImage is copied to
all other GtkImage"
- GladeProject: always treat resource properties as relative
- Fix bug 793652 "Crash when deleting a list"
- Fix bug 793757 "Gtk-CRITICAL **: _gtk_window_add_popover: assertion '_gtk_widget_get_parent (popover) == NULL' failed"
- Add GDK_SUPER_MASK accelerator handling (Sebastian Stang)
- Fix bug #778537 "ActionBar need placeholder"
- Fix bug #794141 - Gtk.IconView disappeared from glade (Albfan)
SECURITY
Fix potential XSS vulnerability in repository description. (#6306) (#6308)
BUGFIXES
Fix wrong release commit id (#6224) (#6300)
Fix panic on empty signed commits (#6292) (#6300)
Fix organization dropdown not being scrollable when using mouse wheel (#5988) (#6246)
Fix displaying dashboard even if required to change password (#6214) (#6215)