View All Users and Other Permissions Disabled in Guest User Profiles (Security Alert, Enforced)
Where: This change applies to orgs with active communities in Enterprise, Essentials, Unlimited, Performance, and Developer editions.
When: The timelines for the rollout and enforcement of this setting will be published in the Securing Community Cloud group on the Trailblazer Community (Salesforce login required).
How: These changes are auto-enabled in your org. However, you have the ability to opt-out. In the Summer ’20 release, these changes are mandatory and you no longer have the option to opt out.