[macos-15] iOS build fails on CI due to incorrect SDK targeting

[ShawnYsp]

Description

Our iOS application fails to build on the CI/CD pipeline. The build log indicates that it is attempting to use the iOS 18.0 SDK, which is not available on the build runner.
The error log:

Running pod install... 4.9s
Running Xcode build...
Xcode archive done. 3.9s
Failed to build iOS app
Uncategorized (Xcode): Unable to find a destination matching the provided destination specifier:
{ generic:1, platform:iOS }

Ineligible destinations for the "Runner" scheme:
	{ platform:iOS, id:dvtdevice-DVTiPhonePlaceholder-iphoneos:placeholder, name:Any iOS Device, error:iOS 18.0 is not installed. To use with Xcode, first download and install the platform }

════════════════════════════════════════════════════════════════════════════════
iOS 18.0 is not installed. To download and install the platform, open
Xcode, select Xcode > Settings > Components, and click the GET button for the
required platform.

For more information, please visit:
https://developer.apple.com/documentation/xcode/installing-additional-simulator-runtimes
════════════════════════════════════════════════════════════════════════════════
Encountered error while archiving for device.

##[error]Bash exited with code '1'.
Finishing: build ios

Platforms affected

• Azure DevOps
• GitHub Actions - Standard Runners
• GitHub Actions - Larger Runners

Runner images affected

• Ubuntu 22.04
• Ubuntu 24.04
• macOS 13
• macOS 13 Arm64
• macOS 14
• macOS 14 Arm64
• macOS 15
• macOS 15 Arm64
• Windows Server 2019
• Windows Server 2022
• Windows Server 2025

Image version and build link

macos 15

Is it regression?

no

Expected behavior

The build was always successfully before 13.Aug

Actual behavior

Failed with error as above

Repro steps

Starting: build ios

Task : Command line
Description : Run a command line script using Bash on Linux and macOS and cmd.exe on Windows
Version : 2.250.1
Author : Microsoft Corporation
Help : https://docs.microsoft.com/azure/devops/pipelines/tasks/utility/command-line

Generating script.
Script contents:
/Users/runner/hostedtoolcache/Flutter/3.27.4/macos/flutter/bin/flutter build ipa

[ijunaidm1]

Hi @ShawnYsp - Thank you for bringing this issue to our attention. We will look into this issue and will update you .

[ecnepsnai]

Also failing for me: https://github.com/dns-inspector/dnskit/actions/runs/16954985258/job/48055105109

 2025-08-14 03:21:43.034 xcodebuild[6040:36052] Writing error result bundle to /var/folders/x7/ch5v91h56_zbvbd1y2f600dm0000gn/T/ResultBundle_2025-14-08_03-21-0043.xcresult
xcodebuild: error: Unable to find a destination matching the provided destination specifier:
		{ platform:iOS Simulator, OS:latest, name:iPhone 16 Pro }

	Available destinations for the "DNSKit" scheme:
		{ platform:macOS, arch:arm64e, id:0000FE00-C648B17BC1592925, name:My Mac }
		{ platform:macOS, arch:arm64, id:0000FE00-C648B17BC1592925, name:My Mac }
		{ platform:macOS, arch:x86_64, id:0000FE00-C648B17BC1592925, name:My Mac }
		{ platform:macOS, arch:arm64e, variant:Mac Catalyst, id:0000FE00-C648B17BC1592925, name:My Mac }
		{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:0000FE00-C648B17BC1592925, name:My Mac }
		{ platform:macOS, arch:x86_64, variant:Mac Catalyst, id:0000FE00-C648B17BC1592925, name:My Mac }
		{ platform:macOS, arch:arm64, variant:DriverKit, id:0000FE00-C648B17BC1592925, name:My Mac }
		{ platform:DriverKit, name:Any DriverKit Host }
		{ platform:macOS, name:Any Mac }
		{ platform:macOS, variant:Mac Catalyst, name:Any Mac }

	Ineligible destinations for the "DNSKit" scheme:
		{ platform:iOS, id:dvtdevice-DVTiPhonePlaceholder-iphoneos:placeholder, name:Any iOS Device, error:iOS 18.0 is not installed. To use with Xcode, first download and install the platform }
		{ platform:tvOS, id:dvtdevice-DVTiOSDevicePlaceholder-appletvos:placeholder, name:Any tvOS Device, error:tvOS 18.0 is not installed. To use with Xcode, first download and install the platform }
		{ platform:visionOS, id:dvtdevice-DVTiOSDevicePlaceholder-xros:placeholder, name:Any visionOS Device, error:visionOS 2.0 is not installed. To use with Xcode, first download and install the platform }
		{ platform:watchOS, id:dvtdevice-DVTiOSDevicePlaceholder-watchos:placeholder, name:Any watchOS Device, error:watchOS 11.0 is not installed. To use with Xcode, first download and install the platform }

[ian-wes]

Also failing for us here too!

05:02:28]: ▸ 2025-08-14 05:02:28.162 xcodebuild[33980:127561] Writing error result bundle to /var/folders/x7/ch5v91h56_zbvbd1y2f600dm0000gn/T/ResultBundle_2025-14-08_05-02-0028.xcresult
[05:02:29]: ▸ xcodebuild: error: Unable to find a destination matching the provided destination specifier:
[05:02:29]: ▸ 		{ generic:1, platform:iOS }

[!] Error building the application - see the log above
[05:02:29]: ▸ 	Ineligible destinations for the "xxx" scheme:
[05:02:29]: ▸ 		{ platform:iOS, id:dvtdevice-DVTiPhonePlaceholder-iphoneos:placeholder, name:Any iOS Device, error:iOS 18.0 is not installed. To use with Xcode, first download and install the platform }

----- xcbeautify -----
Version: 2.30.1
----------------------

2025-08-14 05:02:28.162 xcodebuild[33980:127561] Writing error result bundle to /var/folders/x7/ch5v91h56_zbvbd1y2f600dm0000gn/T/ResultBundle_2025-14-08_05-02-0028.xcresult
xcodebuild: error: Unable to find a destination matching the provided destination specifier:
		{ generic:1, platform:iOS }

	Ineligible destinations for the "xxx" scheme:
		{ platform:iOS, id:dvtdevice-DVTiPhonePlaceholder-iphoneos:placeholder, name:Any iOS Device, error:iOS 18.0 is not installed. To use with Xcode, first download and install the platform }
[05:02:29]: Exit status: 70
[05:02:29]: 
[05:02:29]: Maybe the error shown is caused by using the wrong version of Xcode
[05:02:29]: Found multiple versions of Xcode in '/Applications/'
[05:02:29]: Make sure you selected the right version for your project
[05:02:29]: This build process was executed using '/Applications/Xcode_16.app'
[05:02:29]: If you want to update your Xcode path, either
[05:02:29]: 
[05:02:29]: - Specify the Xcode version in your Fastfile
[05:02:29]: ▸ xcversion(version: "8.1") # Selects Xcode 8.1.0
[05:02:29]: 
[05:02:29]: - Specify an absolute path to your Xcode installation in your Fastfile
[05:02:29]: ▸ xcode_select "/Applications/Xcode8.app"
[05:02:29]: 
[05:02:29]: - Manually update the path using
[05:02:29]: ▸ sudo xcode-select -s /Applications/Xcode.app

[sahad-00]

Facing the same !

[05:14:36]: ▸ ----- xcbeautify -----
[05:14:36]: ▸ Version: 2.30.1
[05:14:36]: ▸ ----------------------
[05:14:39]: ▸ 2025-08-14 05:14:39.578 xcodebuild[12545:36578] Writing error result bundle to /var/folders/x7/ch5v91h56_zbvbd1y2f600dm0000gn/T/ResultBundle_2025-14-08_05-14-0039.xcresult
[05:14:40]: ▸ xcodebuild: error: Unable to find a destination matching the provided destination specifier:
[05:14:40]: ▸ 		{ generic:1, platform:iOS }
[05:14:40]: ▸ 	Ineligible destinations for the "cenomi" scheme:
[05:14:40]: ▸ 		{ platform:iOS, id:dvtdevice-DVTiPhonePlaceholder-iphoneos:placeholder, name:Any iOS Device, error:iOS 18.0 is not installed. To use with Xcode, first download and install the platform }
[05:14:40]: Exit status: 70
[05:14:40]: 
[05:14:40]: Maybe the error shown is caused by using the wrong version of Xcode
[05:14:40]: Found multiple versions of Xcode in '/Applications/'

[05:14:40]: Make sure you selected the right version for your project
[!] Error building the application - see the log above
[05:14:40]: This build process was executed using '/Applications/Xcode_16.app'
[05:14:40]: If you want to update your Xcode path, either
[05:14:40]: 
[05:14:40]: - Specify the Xcode version in your Fastfile
[05:14:40]: ▸ xcversion(version: "8.1") # Selects Xcode 8.1.0
[05:14:40]: 
[05:14:40]: - Specify an absolute path to your Xcode installation in your Fastfile
[05:14:40]: ▸ xcode_select "/Applications/Xcode8.app"
[05:14:40]: 
[05:14:40]: - Manually update the path using
[05:14:40]: ▸ sudo xcode-select -s /Applications/Xcode.app

Any Fixes up ?

[skostilainen]

Same issue here

[RUN_FASTLANE] ▸ xcodebuild: error: Unable to find a destination matching the provided destination specifier:
[RUN_FASTLANE] ▸ { generic:1, platform:iOS }
[RUN_FASTLANE] ▸ Ineligible destinations for the "Foo" scheme:
[RUN_FASTLANE] ▸ { platform:iOS, id:dvtdevice-DVTiPhonePlaceholder-iphoneos:placeholder, name:Any iOS Device, error:iOS 18.0 is not installed. To use with Xcode, first download and install the platform }
[RUN_FASTLANE] Exit status: 70

[cpl-s-matsuyama]

I encountered a similar issue, but was able to work around it by selecting an Xcode version that matches the existing simulator runtime via xcode-select.
sudo xcode-select --switch /Applications/Xcode_16.4.app

[guide-hoanglm]

The same issue on Mac 15, Xcode 16.2

Ineligible destinations for the "Development" scheme:
2025-08-14T04:46:46.6915810Z            		{ platform:iOS, id:dvtdevice-DVTiPhonePlaceholder-iphoneos:placeholder, name:Any iOS Device, error:iOS 18.2 is not installed. To use with Xcode, first download and install the platform }

[skostilainen]

I encountered a similar issue, but was able to work around it by selecting an Xcode version that matches the existing simulator runtime via xcode-select. sudo xcode-select --switch /Applications/Xcode_16.4.app

Great, fixed for me! Thanks!