- Bug 732328 "New: add python3 support" (Bohuslav "Slavek" Kabrda)
- Added new symbolic variant of the app icon (747024 - Jakub Steiner)
- Bug #741165 "Previewer crashes when taking PNG screenshot"
- Added GtkSidebarWidget support (Matthias Clasen)
- Added GtkStack and GtkStackSwitcher support (738480 - Matthias Clasen)
- Added GtkHeaderBar support (bug 700914 - Matthias Clasen)
- Improved undo/redo command list handling.
- Added GtkBox center-widget support (bug 738473 - Matthias Clasen)
- Added GtkSearchBar support (bug 738493 - Matthias Clasen)
- Support CSD windows (Bug 700914 - Matthias Clasen)
- Use current gtk-mac-integration API (bug 738339 - Philip Chimento)
- Fixed bug 732575 "Changed the type hint on the "Edit Separately" window to 'utility'" (Tristan)
- Fixed bug "Missing plural form for UI string: emited %d time(s)"
- Avoid reading freed data in glade_project_read_requires (David Shea)
- Added class chooser popover to workspace. (Bug 708146 "Catalog search entry")
- Added GThemedIcon support.
- GladePreviewer: show handler information in infobar when a signal is emited.
- Migrated UI from stock icons to icon names.
- Seal needed deprecated API and replaced deprecared API.
- GladeWindow: only show found recent files.
- Added GtkLockButton support.