21.2 Release includes performance enhancements and a couple of new options for existing features.
Announcement: Community release cadence change
Features Enhancements to Search Subscription No...
Updated 6 months ago
Version 2.0
Blog Post
elbranscomb Contact support to have it enabled, it's a flag they have to enable on their end for some reason vs. Admin setting - I never even knew this feature existed until I saw the release notes!