I’m also seeing the same problem today when comparing branches. Let’s give it a few more hours, and if it is still slogging along then I’ll get in contact with the GitHub folks. It looks like their server utilization is spiking right now. https://status.github.com/
GitHub compares seem to be working okay for me now.
Sure! This was something that many of the engineers at Epic were passionate about and contributed a lot of effort toward in the past year. I will pass along the word.