Upgrading from UE5(.0) to UE5.1 ... default scene?

I’ve mostly been working on the C+±edness of my project … with largely test objects in my scene… so this isn’t too tragic a notion, but I’m just wondering if the upgrade between versions has preserved my scene somewhere? After upgrade, there are some differences in the scene (some of which I had already needed to add to my scene … like the post-process volume) … but it was just the two chunks of floor, two chairs, a table and the little statue.

So… can I get my scene back, or do I start from scratch?