Microsoft Fabric's OneLake introduces storage tiers (hot, cool, cold) and updates operation reporting by including tier names, consolidating proxy/redirect operations, and grouping by workspace in the Capacity Metrics app. Billing rates remain unchanged. Changes start April 1, 2026; item-level details move to OneLake diagnostics.
Applies to: Power BI
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).