Microsoft Defender for Office 365 is enhancing page load performance to address user feedback on latency issues. Phase 1 will roll out from late March 2025 to December 2025, focusing on optimizing Submission, Quarantine, Threat Explorer, Email Entity, and Policy Configuration pages. No disruptions or admin actions are required.
Applies to: Microsoft Defender XDR
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).