GTK+ 3.17.7 comes with Alpha support in the foreground color in GtkCellRendererText, support for using a GListModel in GtkFlowBox, as well as support for using CSS padding from the theme and support for top margins in GtkTextView. The HighContrast theme has been improved, CSD (Client-side Decorations) resize have been added for all edges and corners for the OS X operating system, and support for touchpad gesture events has been added for both the next-generation Wayland display server and the GDK (GIMP Drawing Kit) library.