Outlook will soon prompt organizers to send meeting updates only to added or removed attendees. Rollout for General Availability will begin in late August 2024 and complete by late October 2024. No admin action is required for this update associated with Roadmap ID 394687.
Applies to: Exchange Online · Microsoft 365 for the web · Microsoft 365 apps
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).