@Pine722
I never had such terrible experience in years and didn’t notice my coworkers would suffer this way.
Are you using Unreal on HDD? Although 15 minutes too load your map is still too long. Could you describe your machine specs?
Also 10-20 crashes a day could come from some experimental feature? Or one faulty feature of editor or your own C++ code?
Whatever is the reason, you should provide callstack from Crash Reporter - otherwise nobody will be able to help you.
I’m curious if you ever tried to clean project’s cache - “Saved” folder or/and content of Unreal’s DDC folder?
Does it make difference in your case?