Swift 5.6 includes a raft ([1], [2], [3], [4]) of improvements to Swift Package Manager, which combine to add the beginnings of plugin support using external build tools.
At this point earlier adopters are reporting that the functionality isn’t quite far along enough to support more complex use cases, but it does at least seem to support SwiftGen and there are further examples demonstrating possibilities for DocC and swift-format.
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Other changes in Swift 5.6…
- Introduce existential any
- Type placeholders
- Allow coding of non String/Int keyed Dictionary into a KeyedContainer
- Unavailability condition
- More concurrency changes
Download all Swift 5.6 changes as a playground Link to Swift 5.6 changes
