Error: UAT: ld.lld: error: undefined symbol: __aarch64_swp8_acq_rel UE5.1

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Great, I had the same error and the new NDK works, thanks!

  • Android Studio: Install the NDK 25.1.8937393

To switch from UE5.0 to UE5.1 I had to do more changes. Maybe it helps somebody:

  • Android Studio: SDK Platform to 29 (Quest 2 is Android 10)
  • Android Studio: Android SDK Tools to 30.0.3
  • Android Studio: Command-line to 8.0 latest
  • Android Studio: CMake to 3.10.2.4988404
  • SetupAndroid.bat to Update SDK
  • UE5.1: Settings, Platforms, Android SDK change the NDK path
  • UE5.1: Settings, Platforms, Android change Target SDK Version to 29 (Android 10)
  • UE5.1: Platforms (Launch), Android, Quest 2 do Update Device and restart UE to get SDK Managment “Installed: r25b”

Now it works again.

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