Log Message:
GTK+ 3.22.20

* Add input hints for Emoji, that let applications indicate whether
  entries would benefit from Emoji support or not

* Add support for cloud services in GtkPlacesSidebar. This adds a new,
  optional dependency on libcloudproviders

* Bugs fixed:
 468868 Popup of "appears-as-list" ComboBox does not change screen \ 
with its top...
 618160 Documentation for gtk_combo_box_get_active_iter is unclear
 705640 GtkWindow incorrectly requires a default screen
 729651 Crash in GtkFileChooserButton with appears-as-list
 759725 Setting Container:border-width on TextView breaks gesture positions
 766909 Tooltip of the eject button is a bit confusing - or just missing
 774134 GtkExpander: input window of title extends over child, if :expanded is ...
 775074 GtkScrolledWindow does not disconnect all GtkAdjustment signal handlers...
 776937 GtkExpander is incorrectly hiding content.
 780750 Shift + click in GtkEntry doesn't select
 783649 negative content width warning in GtkLevelbar
 785306 FileChooserNativeQuartz: two fixes
 785736 textview: fix bug on DnD displaced limits of selection
 786029 clicking on gtk-slider makes the parent disappear
 786123 GtkPlacesSidebar: Add support for libcloudproviders
 786209 X11: GtkPopover positioning doesn't "avoid" CSD window shadows
 786492 Incorrect scaling factor with Vulkan on Wayland
 786553 Wrong example number in Gtk Tutorial
 786771 Critical about mismatched GdkDisplays when opening Inspector combobox
 786841 Emoji categories are always in English
 786885 Add explanatory tooltip to emoji icon
 786932 Let the "type-func" override the object's "class" \ 
attribute when gettin...
 786938 Emoji picker wrongly opens when clicking on primary icon too
 786940 ::icon-pressed handler stays connected when setting :show-emoji-icon to...
 786960 Emoji chooser: don't show 'insert Emoji' item in emoji chooser context ...
 786964 Emoji Chooser: Can't scroll clicking on the scroll bar
 786966 Emoji chooser: unnecessary spacing b/w some rows in search result
 786986 text_window_to_widget_coords broken when Container:border-width > 0
 787103 gtk3-widget-factory crashes on exit after inserting an emote on page3
 787158 gtk_widget_get_preferred_width on GtkToolbar gives wrong minimum width
 787195 gtk_toolbar_set_show_arrow does not show an arrow
 786956 EmojiChooser: Fix theming on Adwaita:dark, HighContrast, etc