You can now reference user picklist fields, groups, and queues in your policies’ user criteria filters, making it easier to automate your users’ assignments to package licenses, permission sets, and other access mechanisms. An improved user interface also makes creating and managing policies faster and easier. This feature continues to be available in beta in Spring ’24.
Where: This change applies to Lightning Experience and Salesforce Classic in Enterprise and Unlimited editions.
How: To enable user access policies, from Setup, in the Quick Find box, enter User Management Settings, and then select User Management Settings. Enable User Access Policies (Beta). The improved user interface is enabled by default, but you can disable the Enhanced Interface for User Access Policies (Beta) setting.
To create or manage your user access policies, from Setup, in the Quick Find box, enter User Access Policies, and then select User Access Policies.
Reference Picklists, Groups, and Queues in User Access Policies (Beta) (salesforce.com)