A few days ago Sony has started Android 4.2.2 update for Xperia Z and ZL. It seems Sony is also preparing to update its Xperia Tablet Z. PTCRB web page indicates that a software version 10.3.A .0.407 was recently certified for the LTE version of the Xperia Tablet Z (SGP321). We already know that 10.3.AXXXX structure related to Android 4.2.2. That means that the Xperia Tablet Z in the next few weeks will also be updated.
