Sony announced that Android 4.4 KitKat updates are out for its Xperia Z Ultra, Z1, and Z1 Compact smartphones. Also, KitKat will grace owners of the Xperia Z, ZL, Tablet Z, and ZR in mid-May, while those owning the older Xperia T2 Ultra, E1, and M2 are promised chocolatey goodness as well.
The current Android 4.4 updates offer a serving of KitKat's performance and UI tweaks along with Sony's own works on the platform. For example, the Status Bar and Quick Settings menus have been reworked to become clearer and more intuitive. Also, the new launch animation and live wallpaper have been borrowed from the Sony PlayStation 4 and will up the game for the home and lock-screens.
Furthermore, Sony's native Android apps, such as Messaging, MyXperia, Smart Connect, Small apps, TrackID, TrackID TV, Sony Select, Smart Social Camera have received updates as well, while the Media apps (Walkman, Album, and Movies) are now integrated with Sony Entertainment Network and PlayMemories. The update should bring a better UI and faster download speeds.
Finally, Sony's Xperia Themes with downloadable UI packs from Sony Select will let you customize up to 280 items from the Xperia Android interface in a variety of styles.
If you have received the update, feel free to share your experience with it.