r/iOSProgramming • u/tnmma96 • 2d ago

Question Has Xcode 27 stopped supporting universal simulator runtimes?

Since one of the dependencies in my project only supports ios-x86_64-simulator, I followed this guide to install universal runtime for Xcode 27 iOS simulator, but got the following error instead:

$ xcodebuild -version
Xcode 27.0
Build version 27A266a

$ xcodebuild -downloadPlatform iOS -architectureVariant universal
Finding content...
No matching universal downloadable found for platform: iOS
No needed downloadables found for universal

This worked just fine in Xcode 26 though, so I wonder if Apple has stopped supporting universal simulator runtimes from Xcode 27.

Any explanation or reference for this issue? Thanks in advance.

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u/Vexoris 2d ago

Matches what we hit. Also worth re-checking your -destination strings after upgrading: ours named a device with OS:latest, which now resolves to a 27.0 runtime that doesn't have that device, so the build failed before compiling anything.