Real-time Data Solar Dip in Power Meter

As I noted almost 2 years ago there is a bug in the real-time data monitor.
https://global.discourse-cdn.com/business6/uploads/sense/original/1X/19420a8e700ece3662a2c24a90aeac331b5a3ac8.jpeg

As it was told to me in the thread that it was an understood bug that would be fixed soon. Then the thread was closed but the bug remains, why?