Hi Peter, to make a long story short, this fix for the polynomial minimum in the linear algorithm did not move into the baseline code, but I have been using it in my code baseline very successfully ever since it was developed. I also have been using Adaptive Focus Control (AFC) which minimizes need for autofocus runs (it only requires a temperature sensor). I have the code up-to-date as of the nightly 3.5.6 from a week ago.

The pain trade here is that because the code never became part of the Ekos baseline, you need to merge it for any update you want to pull. It's not horrible, but there's that to consider. For me, I probably wouldn't even have updated to 3.5.6 if it hadn't been the case that 3.5.4 Indi had a problem with the Celestron GPS driver (swapped axes senses which thwarted polar alignment). To get that bug fixed, I needed to update & merge. So, never say never, but unless something very important comes out in future releases, I probably will give up on Ekos upgrades from here forward. I can do all I want with the latest baseline. From what I've seen as I merged my code this last time, there's at least some question as to whether changes being made are necessary, or if there's just developer "tinkering" happening. Tinkering is normal for aging code, but eventually it makes code less stable IMO. Regardless, if you want the code as of 3.5.6, send me a PM with an email contact and I'll send you both the AFC code and the fix for linear focus completion. CS Doug

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