No developer mode with rgbw and yeelight app

Hello everybody,
i have a problem with my yeelights and even tho otjer people had similar problems i couldnt find a solution here or anywhere else :frowning:
I would like to enable developer mode but i doesnt exist in my yeelight app.
I added a screenshot.
Hope anyone can help me.
Thanks a lot!

It’s LAN Control

Yes, you are right. We have changed developer mode (Geek mode) to “LAN Control”.