Issues

• [Security/Hardening] Add defensive parameter validation to CNIOFreeBSD network wrappers

  apple/swift-nio#3753 · Filter by author denizguney opened on Sep 27, 2026

• Feature Request: Notifications about bytes leaving the Channel buffers

  apple/swift-nio#3748 · Filter by author weissi opened on Sep 25, 2026
  5

• MessageToByteHandler may drop writes and their promises on the floor

  apple/swift-nio#3728 · Filter by author weissi opened on Sep 3, 2026
  4

• Add CMakeList.txt

  apple/swift-nio#3724 · Filter by author thePianoKid opened on Aug 28, 2026

• NIOFileSystem: Unable to use file handle closures from non-sending contexts

  apple/swift-nio#3720 · Filter by author 0xTim opened on Aug 25, 2026
  2

• Windows data path treats WSAEWOULDBLOCK as fatal (recv/send/writev)

  apple/swift-nio#3702 · Filter by author mozharovsky opened on Aug 13, 2026
  1

• [Windows] WSASend error in bi-directional stream tests of Hummingbird

  apple/swift-nio#3697 · Filter by author adam-fowler opened on Aug 11, 2026
  4

• NIOFileSystem: Feature request: advisory file locking support

  apple/swift-nio#3691 · Filter by author weissi opened on Aug 4, 2026
  2

• NIOFileSystem: No API to get the on-disk size

  good first issuekind/enhancement
  apple/swift-nio#3650 · Filter by author weissi opened on Jul 9, 2026
  2

• NIOFS: To set file attributes I need to open a file, no direct API

  apple/swift-nio#3648 · Filter by author weissi opened on Jul 8, 2026

• Windows build fails on Swift 6.1+: ThreadWindows Sendable conformance + IPPROTO/BinaryFloatingPoint (incorrectly closed as dup of unrelated #2065)

  apple/swift-nio#3647 · Filter by author Gamnacken opened on Jul 8, 2026
  2

• NIOFileSystem: Offer special stdin/out/err handles

  apple/swift-nio#3615 · Filter by author weissi opened on Jun 4, 2026

• NIOFileHandle.withUnsafeDescriptor is missing an overload that takes an asynchronous closure

  apple/swift-nio#3614 · Filter by author jakepetroules opened on Jun 3, 2026
  4

• NIOFileSystem: Writing to /dev/stdout only works if it's a pipe but not in a terminal

  apple/swift-nio#3613 · Filter by author weissi opened on Jun 2, 2026

• NIO's HTTP parser silently changed the default header buffer size from 80 kB (old limit that was unfortunately lost) to 2MB (new limit) and restricts to 256 headers

  apple/swift-nio#3608 · Filter by author weissi opened on May 26, 2026
  5

• NIOTypedHTTPServerUpgraderStateMachine fatalError on upgrade race with channel close (2.99.0)

  apple/swift-nio#3596 · Filter by author mihai-chiorean opened on May 14, 2026
  3

• NIOFS: Optimise one-shot I/Os into single thread pool dispatch

  apple/swift-nio#3582 · Filter by author weissi opened on Apr 29, 2026
  1

• NIOFileSystem: listContents(recursive: true) should be capable of running in parallel

  kind/enhancement
  apple/swift-nio#3523 · Filter by author weissi opened on Feb 25, 2026
  3

• CI: run the tests in an Android emulator

  apple/swift-nio#3512 · Filter by author finagolfin opened on Feb 18, 2026
  2

• Assertion failure with vsock: assert(readResult == .some) in BaseSocketChannel.swift

  apple/swift-nio#3500 · Filter by author aduermael opened on Jan 30, 2026

• Received SIGPIPE interrupt on exiting NIOAsyncChannel.executeThenClose

  apple/swift-nio#3479 · Filter by author adam-fowler opened on Jan 14, 2026
  2

• NIOAsyncChannel read AsyncSequence cancellation can leave channel in a hung state (no close + pending reads never resume)

  apple/swift-nio#3472 · Filter by author Montana opened on Jan 6, 2026
  1

• Use swift-native "SocketAddress" facilities

  apple/swift-nio#3448 · Filter by author MahdiBM opened on Nov 17, 2025
  13

• ITMS-90714: Invalid binary - The app contains one or more corrupted binaries. Please rebuild the app and resubmit.

  apple/swift-nio#3432 · Filter by author Megatron1000 opened on Nov 2, 2025
  10

• NIOTestUtils.ByteToMessageDecoderVerifier fails too early

  apple/swift-nio#3414 · Filter by author MahdiBM opened on Oct 20, 2025
  1