Permission Set Groups: Assign users a single permission set group instead of multiple permission sets.
Install Even More Custom Objects in Your Org: raised the total hard limit for custom objects in an org to 3,000 (up from 2,500 in the previous release) so that you can install more custom objects from packages.
Check a Field’s References and Find Reports Using It (Generally Available): With the click of a button, view the references to a custom field before you edit it, such as references in a formula, layout, or Apex class.
Secure Guest Users’ Sharing Settings: When you enable the Secure guest user record access setting, you set guest users’ org-wide defaults to Private for all objects. This setting also restricts the way you can share records with guest users and lets you create new guest user sharing rules.
Safeguard Your Data by Setting External Access Levels for More Standard Objects (Generally Available): You can now set external access levels for many more standard objects. Select more restrictive access for external users without changing the default access level for internal users.
Keep Sharing Records When Migrating to Enterprise Territory Management: If you’re migrating to Enterprise Territory Management, you can keep your original territory sharing records so that your sales team can continue working.
