misc tweaks.

VERSIONS.TXT

@@ -1,4 +1,8 @@
 
+Experimental fix for Mojave vsync not working. Removed support for Window.SwapAsync as it breaks on macos.
+
+Experimental fix for Mojave not rendering until window moved.
+
 ***** Monkey2-v2018.08 *****
 
 Padded Time string conversion digits.

bin/env_macos.txt

@@ -1,6 +1,8 @@
 
 '***** MACOS DESKTOP TARGET *****
 
+MX2_THREADS=1
+
 'Hacks for dylibs in app
 
 'dylibs for in Contents/MacOS dir...
@@ -89,6 +91,8 @@ MX2_ANDROID_APP_STL=c++_static
 
 '***** IOS TARGET *****
 
+MX2_IOS_ARCHS=-arch arm64
+
 'Note: must appear BEFORE first use of MX2_IOS_SDK
 '
 MX2_IOS_USE_SIMULATOR=0