Anyway... Friends Forever #3 thoughts below:
It truly is awesome.
However, for me, it was more vindication than explanatory. I've been telling people for years that this is what Celestia has been doing.
It seemed clear from as early as the first season. Which is why it hurts my soul when people interpret it as her being trollish.
I'm not sure it tops CMC/Discord by a huge margin, but it is one of the best comics of any of the four series. Right now, I'm calling it my all time favorite.