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apple/swift-nio-http2 1.22.0
HTTP/2 support for SwiftNIO
⭐️ 388
🕓 2 weeks ago
.package(url: "https://github.com/apple/swift-nio-http2.git", from: "1.22.0")


This project contains HTTP/2 support for Swift projects using SwiftNIO. To get started, check the API docs.


swift-nio-http2 is a SwiftPM project and can be built and tested very simply:

$ swift build
$ swift test


Just like the rest of the SwiftNIO family, swift-nio-http2 follows SemVer 2.0.0 with a separate document declaring SwiftNIO's Public API.

swift-nio-http2 1.x

swift-nio-http2 versions 1.x are a pure-Swift implementation of the HTTP/2 protocol for SwiftNIO. It's part of the SwiftNIO 2 family of repositories and does not have any dependencies besides swift-nio and Swift 5. As the latest version, it lives on the main branch.

To depend on swift-nio-http2, put the following in the dependencies of your Package.swift:

.package(url: "https://github.com/apple/swift-nio-http2.git", from: "1.19.2"),

SwiftNIO HTTP2 1.21.x and later support Swift 5.4 and above. 1.20.x and earlier also support Swift 5.2 and 5.3. 1.17.x and earlier also support Swift 5.0 and 5.1.

swift-nio-http2 0.x

The legacy swift-nio-http 0.x is part of the SwiftNIO 1 family of repositories and works on Swift 4.1 and newer but requires nghttp2 to be installed on your system. The source code can be found on the nghttp2-support-branch.

Developing SwiftNIO HTTP/2

For the most part, SwiftNIO development is as straightforward as any other SwiftPM project. With that said, we do have a few processes that are worth understanding before you contribute. For details, please see CONTRIBUTING.md in this repository.


Stars: 388
Last commit: 2 weeks ago
jonrohan Something's broken? Yell at me @ptrpavlik. Praise and feedback (and money) is also welcome.


Release Notes

SwiftNIO HTTP/2 1.22.0
2 weeks ago

SemVer Minor

  • Adopt Sendable in relevant types (#343)
  • Make HPACKHeaders hashable. (#344)

SemVer Patch

  • Improve HTTPHeader normalisation performance for large inputs (#347)

Other Changes

  • Add script to list transitive dependencies (#340)
  • Remove build_podspec.sh (#341)
  • HPACKHeaders performance test for HTTPHeader normalisation (#346)

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