5.5 の Release Process 、ブログじゃなくて↓こんなところにあったんですね。これはやっぱ 6 は今年は来ないのかな・・・。 https://forums.swift.org/t/swift-5-5-release-process/45644

This post describes the release process, and estimated schedule for Swift 5.5. Snapshots of Swift 5.5 Downloadable snapshots of the Swift 5.5 release branch will be posted regularly as part of continuous integration testing. As support is available, snapshot downloads will be added for newly supported platforms. Once Swift 5.5 is released, the...