Now when you set or change field-level security for a field on permission sets, you can view by permission sets with object permissions, or by all permission sets. The view is enhanced so the permission set API name and description displays and columns are sortable.
Where: This change applies to Lightning Experience and Salesforce Classic in all editions.
How: Enable Field-Level Security for Permission Sets During Field Creation (beta) in User Management Settings.
Choose the Permission Sets Display When Setting Field-Level Security (Beta) (salesforce.com)