Spawning a "complicated" object causes the person spawning the object to freeze for a long duration. Comparing hitch time with another user, this may be related to the number of object syncs within the object.
sample world:
wrld_a03077de-aad0-4006-958d-a6546d9210fa
There is only one interact which is the lever. Clicking it will spawn a "complicated" object. On live, there is a small hitch, but on open beta it will freeze for 15 seconds.
Stats for the spawned object:
604 total objects
122 Triggers
337 Trigger events
5 Object syncs
This object spawned from a reference in the scene and not a prefab.
Related canny