Remember that SP and ZR were not included in that list too. Sony should at least write another "news" with more accurate description what with us. What's our future...
On their site we still have "Testing" phase under KitKat 4.4 and ZU, Z1, Z1c has 4.4 as current version. So they did some changes on their site leaving ours intact, forcing us to wait.
Sagem MY-X1, stolen > Nokia 3310, still alive! > Nokia 3510i, still alive! > SE k750i, joystick fell off but still alive! > SE p990i, still alive! > SE Xperia X8 > SE Xperia PLAY - given to my brother > Sony Xperia T + Xperia X8 again:
X8: MiniCM10-4.1.0-shakira + XPerience-04
XT: Stock 4.3 + DooMKernel