Those of you who are into rooting and modding would smile condescendingly at this particular nugget of info, but Samsung is keeping on its promise to bring the latest Android 4.3 to the flagship Galaxy S4 by the end of October...
Source: http://www.phonearena.com/news/Samsung-Galaxy-S4-Android-4.3-update-starts-rolling-out-officially-just-as-promised_id48393
Source: http://www.phonearena.com/news/Samsung-Galaxy-S4-Android-4.3-update-starts-rolling-out-officially-just-as-promised_id48393