Starting June 3, 2024, Microsoft Viva Engage will no longer support the app on iOS devices with iOS 15 or earlier. Users must have iOS 16 or later to receive new updates, although the app will still function on older versions without new updates. No admin action is required before the rollout.
Applies to: Microsoft 365 apps · Microsoft Viva
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).