The Micro Four Thirds organization issued a notice that the YoloLiv 18mm f/1.4 lens manufactured by YoloLiv (Hangzhou Xingxi Technology Co., Ltd.) does not operate properly when used with certain Micro Four Thirds compatible devices other than the YoloCam S7 camera:
Regarding Compatibility Between the YoloLiv 18mm F1.4 Lens by YoloLiv (Hangzhou Xingxi Technology Co., Ltd.) and Micro Four Thirds Compatible Devices
The Four Thirds Office, together with participating member companies, is committed to maintaining compatibility among Micro Four Thirds standard products and providing appropriate information so that customers can use Micro Four Thirds products with confidence.
We have currently confirmed that the YoloLiv 18mm F1.4 lens manufactured by YoloLiv (Hangzhou Xingxi Technology Co., Ltd.) does not operate properly when used with certain Micro Four Thirds compatible devices other than the YoloCam S7.
YoloLiv is currently working on corrective measures toward compliance with the specification. Until such measures are completed, we kindly ask users to use this lens only with devices designated by YoloLiv.
Please also note that YoloLiv has established a dedicated customer support contact for this matter. For inquiries, please contact the following support channel directly. (source)
Additional information on the YoloLiv 18mm f/1.4 lens and YoloCam S7 camera:
The new YoloLiv YoloCam S7 Micro Four Thirds camera can live stream at 4K60