For users that still experience long stop times after play solo, can you clarify:
How large is the place experiencing this issue? How many instances?
Does the behavior of the long stop time change based on which place is open, or does it appear to be the same regardless of the place?
Have you noticed anything that changes the behavior? eg changing a Studio setting.
If you experience the issue again, could you upload the logs from a recent session that had the issue? Reports from multiple users can be helpful, please add your report even if you see others uploading logs.
Happens on both empty places and the heavily populated ones. The freeze is always around 30 seconds. Also happens on the complete new places created by the File->New.
It appears to have random fluctuations in time, but it does not seem they are connected to the scale of the place.
Sometimes, it does not happen on the first run of the place after it is open. But always happens on the next runs in the same session.
Did not find anything that can change that behavior. Although, it seems to have some kind of connection to the plugins / core scripts. This is the output window after such lag on a completely empty new place:
