Currently as of studio version 0.735.0.7351131, if you go to end a playtest studio will indefinitely hang (and crash in some cases). This is caused by an error that was introduced with the explorer widget:
Expected behavior
It is expected that ending a playtest will not hang or crash studio.
Hey There!
Thanks for bringing this to our attention.
A ticket was filed, but we need more information about it.
Please provide a Crash Dump File and a Log File so we can investigate it right away!
If you need assistance or info on how to get these files, please refer to the How to post a Bug Report - Bug Reports - Developer Forum | Roblox
Thanks for understanding!
Have A Nice Day!
Hi there, this person hasn’t replied to another thread in a while after sending this thread to reply to one of the issues I’ve been experiencing! There’s a lot more than just the hanging it seems like!
Hi, sorry for the late response! I’ll have the log file for you tomorrow 
