A lot of the codebase has changed, including pretty much all the important functions, so even if your device is not new with this update, please do re-test and report issues should there be any.
Contrary to what some claim in the forums, all SGS4 models do store a flash counter (it's just no longer visible from Download mode) and kernel binary status.
Seems I forgot all about the T-Mobile model... so here it is.
Fixes issues with SELinux and SGS4 ... should work fine now :)
Not much more to say :)
Finally cracked the secret to making this possible, thanks some hacking, and with assistance from supercurio, djembey, and avicohh.
All CF-Auto-Root's have been updated to include SuperSU v1.30 now.
The above-mentioned CF-Auto-Root includes the new version of SuperSU that has been adjusted to work on the new Samsung SGS4 firmwares.
A minor update, its main feature is fixing compatiblity of the su binary with new Samsung I9500 and I9505 firmwares.