The Google Play Edition of the HTC One and the Samsung Galaxy S4 have each received the Android 4.3 update; this is exactly the reason why certain smartphone users are willing to pay full price for these handsets when subsidized versions are available. Since these phones are unlocked, carrier testing of the Android 4.3 update (and future updates as well), do not need to be made...
Source: http://www.phonearena.com/news/Google-Play-Edition-handsets-get-Android-4.3-update-OTA_id46025
Source: http://www.phonearena.com/news/Google-Play-Edition-handsets-get-Android-4.3-update-OTA_id46025