The Microsoft Purview compliance portal will soon introduce a notification banner for hidden content matches. The rollout timeline has been updated, starting mid-January 2025 for Public Preview and early April 2025 for General Availability. No admin action is required before the rollout. Microsoft 365 Roadmap ID 417483.
Applies to: Microsoft Purview
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).