A new firmware update is now rolling for the Sony Xperia Z5/Z3+ series of handsets which moves the build number from 32.2.A.0.224 to version 32.2.A.0.253. The update includes a number of bug fixes as well as improved handling of Bluetooth devices. We will include FTF firmware links below in due course, but if you have installed the new updated let us know your impressions below.
Thanks 3_nity, Dan and shnam!