This breaks the Xamarin.iOS build when building with MONO_BUILD_FROM_SOURCE=1 set (which is only a developer option, but eventually we will have to deal with it ...

Dev note on how to manually download and install Xcode simulator runtimes. Includes official Apple links, simctl instructions, manual copy methods, and legacy cache seeding for older Xcode.

Apple has released a new Xcode 26 Beta 7 update for developers. This beta update includes SDKs for iOS 26, iPadOS 26, tvOS 26, watchOS 26, macOS Tahoe 26, and visionOS 26. The Xcode 26 Beta 7 release ...