SwiftNIO 2.59.0

SemVer Minor

• Added ByteBuffer.hexDump(format:) (#2475, patch credit to @natikgadzhi)
• Make the initializers of NIOThreadPoolError public (#2503, patch credit to @omochi)
• Make ByteBuffer Codable (#2509, patch credit to @natikgadzhi)
• EventLoopFuture/Promise: only Sendable if Value is Sendable (#2496)
• HTTP1: Support users opting-out of us setting framing headers. (#2508)
• Support for custom protocols in DatagramBootstrap (#2516)

SemVer Patch

• HTTP1: Simplify header separator and crlf (#2513, patch credit to @alex-taffe)
• Update CNIOLLHTTP to latest nodejs/llhttp (#2512)

Other Changes

• Docs: explain the basic safe usage of ByteBuffer (#2499, patch credit to @natikgadzhi)
• Match casing of reference links to the casing of the actual referenced declaration/module (#2500, patch credit to @tayloraswift)
• Update nightly allocation limits (#2502)

SwiftNIO 2.58.0

SemVer Minor

• Add support for using EventLoops as custom actor executor (#2388)
• Add new EventLoop singletons (#2471)
• Add bootstrap APIs for VSOCK sockets (#2479)

SemVer Patch

• Fix huge compile time of setUUIDBytes (#2482, patch credit to @sidepelican)
• Get Android building again after #2479 (#2490, patch credit to @finagolfin)
• Make System.coreCount aware of cgroup2 (#2394)
• Don't lose or delay writes before channelActive (#2486)

SPI(AsyncChannel) changes

• Rename the waitForFinalResult() methods and provide an ELF convenience (#2483)
• Add testing interfaces for the stream and writer of the NIOAsyncChannel (#2488)
• Provide throwing finish method on test stream (#2493)
• Fix leaked promise in NIOTypedApplicationProtocolNegotiationHandler (#2489)
• Add async TCP echo example (#2463)
• Avoid using deinit to fulfil the protocol negotiation promise (#2497)

Other Changes

• Correct malformed codelink (#2484, patch credit to @tayloraswift)
• Update contributor email address (#2481)
• Fix 5.9 and nightly allocation limits (#2485) (#2487)

SwiftNIO 2.57.0

SPI(AsyncChannel) changes

• 🚨Breaking change: Reduce the amount of bootstrap async methods (#2474)
• Make NIOAsyncChannel.Configuration conform to Sendable (#2466)

SemVer Patch

• Skip TCP_NODELAY on sockets that NIO doesn't explicitly support (#2476)
• Throw SocketAddressError (cf. fatalError) in SocketAddress.convert for unknown address family (#2477)

SwiftNIO 2.56.0

SPI(AsyncChannel) changes

• 🚨Breaking change: Add configuration for NIOAsyncChannel (#2464)
• Async support for NIOPipeBootstrap (#2458)
• Async support for NIORawSocketBootstrap (#2460)

Other Changes

• Remove XCTAsyncTest usage (#2461)
• Restructure Package.swift (#2462)

SwiftNIO 2.55.0

SemVer Minor

• Make NIO[Throwing]AsyncSequenceProducer.Source Sendable (#2459)

SemVer Patch

• Add support for Musl libc (#2449)
• Close Channel when input & output are closed (#2450)
• Correct a few Musl additions from #2449 for Android, plus error if libc not found (#2451, patch credit to @finagolfin)
• Use #if canImport(Darwin) where possible (#2446)

Other Changes

• Update RediStack URL in README.md (#2445)
• Allow opt-out of PII in CONTRIBUTORS.txt (#2453, patch credit to @therealbnut)
• Update mailmap to unify Gwynne's email addresses (#2454, patch credit to @gwynne)
• Fix several minor typos in comments found in various files (#2455, patch credit to @gwynne)
• Fix last remaining test on Android (#2457, patch credit to @finagolfin)
• Adopt the Swift CoC (#2440)
• Updated allocation counters in 5.9 (#2456)

SPI(AsyncChannel) changes

• Add NIOAsyncChannel based connect methods to ClientBootstrap (#2437)
• Add NIOAsyncChannel based connect and bind methods to DatagramBootstrap (#2439)
• 🚨Breaking change: Align ServerBootstrap bind methods with the initializer style (#2443)

SwiftNIO 2.54.0

SemVer Minor

• EmbeddedChannel: getOption(ChannelOptions.allowRemoteHalfClosure) should not fatalError (#2429)

SemVer Patch

• Pooled control message storage. (#2422, patch credit to @ser-0xff)
• NIOPOSIX happy eyeballs now hops to the connection event loop when using a custom resolver to avoid data races (#2436)

Other Changes

• Add tests for WebSocketMaskingKey.random() (#2433, patch credit to @gwynne)
• Add narrative documentation for NIO's concurrency bridges (#2423)
• Include relevant versions (kernel & Swift) in test output (#2425)
• Update update-alloc-limits-... script (#2430)
• Fix flaky test in NIOAsyncWriter (#2431)

SwiftNIO 2.53.0

SemVer Minor

• addition of assertSuccess() and assertFailure() on EventLoopFuture (#2417, patch credit to @dkz2)

SemVer Patch

• Tolerate sending data after close(mode: .output) (#2421)

SwiftNIO 2.52.0

SemVer Minor

• Add CustomDebugStringConvertible conformance to ByteBuffer (#2418, patch credit to @gwynne)
• Add unprocessedBytes property on NIOSingleStepByteToMessageProcessor (#2419)

SwiftNIO 2.51.1

SemVer Patch

• Handle close(output) in the pipeline handler. (#2414)
• NIOThrowingAsyncSequenceProducer throws when cancelled (#2415)

Other Changes

• Add AsyncChannel based ServerBootstrap.bind() methods (#2403)
• Extend the integration test harness to track FDs (#2411)
• AsyncChannelBootstrapTests bind to 0 instead (#2412, #2413)

SwiftNIO 2.51.0

SemVer Minor

• Drop Swift 5.5 (#2406)

SemVer Patch

• Handle reentrant reads in ALPNHandler (#2402)
• Close accepted FDs if we fail to create Socket (#2407)
• Don't have channels stop reading on errors they tolerate. (#2408)

Other Changes

• Add docker-compose file for Swift 5.9 (#2404)
• Fix broken docs. (#2405)
• Avoid double-closing on fcntl failures (#2409)