yonaskolb / yonaskolb/XcodeGen

Change from Swift 6.0 to 6.1 disables upcoming features and concurrency checking

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Dominant language
Swift
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Description

Recently I bumped from Swift 6.0 to 6.1 and after generation all upcoming concurrency features were disabled as well as the concurrency checking was set to minimal. I needed to manually set the flags in the project.yml file which wasn't needed when Swift version was set to 6.0.

SWIFT_UPCOMING_FEATURE_6_0: YES
SWIFT_STRICT_CONCURRENCY_DEFAULT: complete

Version: 2.43.0

Is this intended or a bug?

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the project.yml settings that reproduce the report and compare generated build settings for Swift 6.0 and 6.1, focusing on SWIFT_UPCOMING_FEATURE_6_0 and SWIFT_STRICT_CONCURRENCY_DEFAULT. Confirm whether generation should preserve the reported feature and complete concurrency-checking settings, then verify the result with the relevant project-generation checks.

Written by the indexing model from the issue text.

Assessment

Tech stack
swift
Domain
build-system
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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