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Xcode 27 ships SDKs for iOS/tvOS/watchOS/macOS 27 and requires iOS 17+, tvOS 17+, and watchOS 10+ for on-device debugging and Instruments, leaving the previous iOS 13 / macOS 10.15 / tvOS 13 / watchOS 6 floor increasingly out of step with what the toolchain actually supports. Bump the minimums one release family forward to iOS 15 / macOS 12 / tvOS 15 / watchOS 8. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
RTsta
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September 21, 2026 16:58
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Summary
AGENTS.md(root),Sources/AGENTS.md, andTests/AGENTS.md— agent-facing documentation describing the package from the outside: theModuleRegistrationcomposition root, scope rules, resolution, runtime arguments, testing app code, and the runtime traps to avoid.CONTRIBUTING.mdwith the contributor workflow, build/test commands, public API compatibility expectations, and the container invariants that are easy to break.AsyncContaineroverContainerfor new code (especially under Swift 6 language mode), sinceContaineris@unchecked Sendableover unlocked dictionaries and the concurrency checker can't verify it; documents the trade-off (noautoregister, no property wrappers on the async side).ModuleRegistration/AsyncModuleRegistrationas the composition-root pattern — previously public API with no docs outside DocC comments.README.mdcontent: non-compiling resolution examples (removedargument:/argument1:/argument2:labels), incorrect default-scope claim, stale Swift 5.3/Xcode 11 requirements, an installation snippet that excluded every 2.x release, and a broken source link.CHANGELOG.mdwith an[Unreleased]section covering the above.Why
AGENTS.md/CONTRIBUTING.mdgive coding agents (and new contributors) accurate, package-specific context instead of relying on stale README content or guesswork — reducing incorrect assumptions about scope defaults, thread-safety, and supported Swift/Xcode versions.Inspiration / prior art referenced while writing these docs:
Note
This branch stacks on #28 (raise minimum deployment targets), so the diff includes those changes until #28 merges.
Test plan
AGENTS.md,Sources/AGENTS.md,Tests/AGENTS.md,CONTRIBUTING.mdfor accuracyCHANGELOG.md[Unreleased]entry matches the actual changes