While Samsung and HTC have steered away from confirming their endorsement of the next iteration of Android, Sony has manned up and confirmed that 4.3 is coming to some of its devices...
Source: http://www.phonearena.com/news/Sony-the-first-to-announce-its-commitment-to-Android-4.3_id45716
Source: http://www.phonearena.com/news/Sony-the-first-to-announce-its-commitment-to-Android-4.3_id45716