@@ -478,6 +478,14 @@ Error Main::setup(const char *execpath, int argc, char *argv[], bool p_second_ph
I = args.front();
while (I) {
+#ifdef OSX_ENABLED
+ // Ignore the process serial number argument passed by macOS Gatekeeper.
+ // Otherwise, Godot would try to open a non-existent project on the first start and abort.
+ if (I->get().begins_with("-psn_")) {
+ I = I->next();
+ continue;
+ }
+#endif
List<String>::Element *N = I->next();