Mar 2026 / 23GB Update?

A 23.32GB update has been released alongside Map Update 14 for Microsoft Flight Simulator. The update's version number is not explicitly stated, but the community is speculating whether it corresponds to the long-anticipated Sim Update 5 (SU5). This update applies specifically to Microsoft Flight Simulator, as indicated by the simultaneous release with the official map update.

The update's large size suggests significant changes or additions, although no official changelog or detailed patch notes have been provided yet. Community members are actively discussing the update's contents and potential impact on simulator performance and features. The timing alongside Map Update 14 implies coordinated improvements to both scenery data and core simulator functionality.