2.2.0

Changed

• Requires Swift 6.4+ / Xcode 27+ (was Swift 6.2+ / Xcode 26+) — the package
  manifest now declares swift-tools-version: 6.4. No source changes were
  needed: the package builds without warnings and passes all tests under
  Swift 6.4. Platform requirements are unchanged (iOS 26+ · macOS 26+ ·
  visionOS 26+ · Linux)

What's Changed

• Swift 6.4 / Xcode 27 に移行する by @temoki in #48

Full Changelog: 2.1.0...2.2.0