A new firmware update has been certified for the Xperia Z1 series with build number 14.6.A.1.216. The update has been certified for all variants of the Xperia Z1 (C6902, C6903, C6943, C6906), Xperia Z Ultra (C6802, C6833 , C6843 , C6806) and Xperia Z1 Compact (D5503). The new update compares to current build version 14.6.A.0.368 i.e. a move from 14.6.A.0.XXX to 14.6.A.1.XXX. We’ll let you know once the update starts to roll.
Thanks bartek010, DetmL, Mirhawk and sebaa!