Sony released quite a few lens updates to improve AF and allow for 20fps functionality on the Sony a9, which is now shipping.
Lenses
Sony 70-200mm GM firmware
Sony 70-200mm G firmware
Sony 28-70mm G firmware
Sony 24-240mm G firmware
Sony 24-70mm GM firmware
Sony 24-70mm Zeiss firmware
Sony 16-35mm Zeiss firmware
Sony 85mm GM firmware
Sony 50mm f/1.8 firmware
Sony 50mm f/1.4 Zeiss firmware
Accessory
Sony LA-EA3 firmware
