Modify All Data, View All Data, Edit, and Delete Permissions on Guest User Profiles in Orgs Created in Summer ’20
Orgs created in the Summer ’20 release don’t have Modify All Data,
View All Data, or delete permissions on any standard or custom objects for guest user profiles.
Guest users in orgs created in Summer ’20 still have edit permissions for custom objects and the
following three standards objects: Order, Contract, and Survey Response.
Where: This change applies to all orgs with guest user profiles for communities, Site.com sites, and Salesforce Sites.