Release Notes: A throbber widget (GtkSpinner) and a cell renderer (GtkCellRendererSpinner) were added. GtkFileSystemModel was reimplemented. The compose sequences were synchronized with the current X.org Compose file. GSEAL was enhanced. On Mac OS X, a crash was fixed, standard Mac keyboard sequences were implemented, and multi-monitor handling was improved. GtkInputDialog, GtkCurve, and GtkGammaCurve were deprecated. Many bugs were fixed.