A new 23.4.A.1.236 firmware has been certified on PTCRB for both Xperia Z3 and Xperia Z2 series. At present both devices are running Android 5.1.1 23.4.A.1.232 firmware.
23.4.A.1.236 firmware has been confirmed (certified) for Xperia Z3 D6603 and Xperia Z2 D6503 on PTCRB. It will be a minor bugs fixing update.
Xperia Z3 23.4.A.1.236 firmware certified
Check out the 23.4.A.1.236 firmware certification details of Xperia Z3 on PTCRB.
Xperia Z2 23.4.A.1.236 firmware certified
Check out the 23.4.A.1.236 firmware certification details of Xperia Z2 on PTCRB.
We will keep you updated once 23.4.A.1.236 firmware starts rolling.
Drop your comments below if you have any doubts.
Thanks for the tip, Raul!
There is one certified for Z3 Compact