Sony has released a firmware update for its a7R II full-frame mirrorless camera which improves camera stability while adding support for the company's new radio controlled lighting system.
The official list of improvements in version 3. 30 include:
Support for Radio Controlled Lighting System
Improved stability in picture shooting mode (by optimizing temperature control)
Allows for HDMI output while using Remote Camera Control software
Improves overall stability and operability of the camera
The firmware is now available and can be downloaded right here.. dpreview.com