Sony's Xperia 1 is now receiving a new software update. It's not a big one, but it might be important because it promises to improve picture quality and zoom framing for the camera, as well as deliver a more optimized camera interface and a more stable shooting experience overall. All of this has been a long time coming and there was definitely a need for more stability and reliability in the camera's performance. Additionally, Bluetooth connections to headsets should be more stable, and there are some power management enhancements too - so maybe you'll get a teeny tiny bit more...
Source: https://www.gsmarena.com/sony_xperia_1_update_brings_much_needed_camera_stability_improvements-news-39153.php