2.37.7 (unstable): Gio: * Menu: Add insert/append/prepend_section() with no label parameter. (Murray Cumming) Bug #702456 (Aurimas Černius) gmmproc: * Pass NULL to C function calls for optional empty strings. (José Alburquerque) Bug #686909. Bug #702456 * Add parameter return_value in _WRAP_VFUNC. (Marcin Kolny) Bug #705699. Build: * Update Visual Studio Projects (Chun-wei Fan)