Unable to Download Runtimes
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- Dominant language
- Swift
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Description
I'm unable to download Xcode runtime with version 26.0 and 26.1 using CLI.
Command:
xcodes runtimes install "iOS 26.1" --aria2 "$(which aria2c)"
I have also tried without aria2 and ends up with this error.
Downloading Runtime iOS 26.1: 0%
Error: ProcessExecutionError()
It worked if I used iOS 18.x.
Xcodes Version: 1.6.2
Xcode: 26.0.1
➜ xcode-select -p
/Applications/Xcode-26.0.1.app/Contents/Developer
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the runtime installation command for iOS 26.0 or 26.1, both with and without aria2, using the reported Xcodes and Xcode versions. Trace the CLI path that reports ProcessExecutionError and compare it with a working iOS 18.x download. Done means the affected runtimes download successfully through the CLI.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- swift
- Domain
- cli
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 52/100