Note: xACT v2.18 is the last version that works on Mac OS X 10.5. Xcode's Automatic Reference counting does not work with 32 bit macs.
Note: xACT v2.25 is the last version that works on 32 bit Macs. Note: xACT v2.47 is the last version that is pre macOS Catalina and will work with versions prior to 10.9. Requires Intel processor and Mac OS X 10.9 or higher
