I've created a new sandbox and wanted to know which objects get their records copied over automatically by Salesforce whenever I create a sandbox?
Basically all of the settings and custom settings. So any object which contains records related to settings or custom settings get copied over by default when creating a sandbox.
The only thing I saw that didn't really follow this was the PriceBookEntry, PriceBook2, and Product2 objects which also get their records copied over by default. Here's a list of some of the objects I know for sure which get copied over: