One of my gripes with the Power Chart is that all data in the time window updates every time the time changes, even slightly, so data points are interpolated each time and end up with different values leading to points jumping up and down each time the time window shifts. Obviously this is super dodgy to an operator trying to look at a trend... e.g.
Implementing this ourselves we could eliminate this by keeping the data there when time updates. The issue might be with how much we can keep