--- a/libpurple/media/backend-iface.h Tue Oct 24 00:58:10 2023 -0500 +++ b/libpurple/media/backend-iface.h Tue Oct 24 01:04:19 2023 -0500 @@ -29,6 +29,7 @@ #include "codec.h" #include "enum-types.h" #include "media.h" +#include "purpleversion.h" #include <glib-object.h> @@ -293,6 +294,7 @@ * * Since: 2.11.0 */ +PURPLE_AVAILABLE_IN_2_11 gboolean purple_media_backend_set_send_rtcp_mux(PurpleMediaBackend *self, const gchar *sess_id, const gchar *participant, gboolean send_rtcp_mux);