Testing Server Travel in-editor?

Is testing server travel still unavailable in-editor?
I just tried and it crashed.

And if yes, how can I test it, do I have to make a build for it? Seems too messed up, because making a new build every time I have an error or need to make a little change, will take ages.

at my current 5.3.1 i have no problems with travels, though my ingame traves are seamless, so i can’t say anything about non-seamless in case you using it.

What exactly the crash reason in your case? Does the crash also happen in “standalone game” pie mode?