The opened/closed state of the left and right panels of the file browser is now remembered when restarting RT (no issue).

rtgui/filecatalog.h

@@ -247,6 +247,8 @@ class FileCatalog : public Gtk::VBox,
 
                 bool CheckSidePanelsVisibility();
                 void toggleSidePanels();
+                void toggleLeftPanel();
+                void toggleRightPanel();
 
 #ifndef _WIN32
                 void on_dir_changed (const Glib::RefPtr<Gio::File>& file, const Glib::RefPtr<Gio::File>& other_file, Gio::FileMonitorEvent event_type, bool internal);