Issues

• Unaligned 64-bit bitstream reads lose their highest bits

  swiftlang/swift-tools-support-core#581 · Filter by author 6639835 opened on Oct 8, 2026

• Bitstream VBR decoding rejects valid 64-bit values

  swiftlang/swift-tools-support-core#580 · Filter by author 6639835 opened on Oct 8, 2026

• Shell escaping drops empty arguments

  swiftlang/swift-tools-support-core#579 · Filter by author 6639835 opened on Oct 8, 2026

• Parsing a large batch of valid JSON messages can overflow the stack

  swiftlang/swift-tools-support-core#578 · Filter by author 6639835 opened on Oct 8, 2026

• Malformed JSON message framing traps instead of reporting a delegate error

  swiftlang/swift-tools-support-core#577 · Filter by author 6639835 opened on Oct 8, 2026

• Version orders large numeric prerelease identifiers lexicographically

  swiftlang/swift-tools-support-core#576 · Filter by author 6639835 opened on Oct 8, 2026

• Strict Version parsing accepts empty identifiers and leading zeroes

  swiftlang/swift-tools-support-core#575 · Filter by author 6639835 opened on Oct 8, 2026

• editDistance undercounts moved characters on the CollectionDifference path

  swiftlang/swift-tools-support-core#574 · Filter by author 6639835 opened on Oct 8, 2026

• Xcode performance issue with UNIXPath.init(normalizingAbsolutePath:)

  swiftlang/swift-tools-support-core#517 · Filter by author orj opened on Jul 16, 2025

• LazyCache is a value type (struct) with a lock inside, that's broken and doesn't work

  swiftlang/swift-tools-support-core#385 · Filter by author weissi opened on Jan 25, 2023

• pipe handling of Process::launch seems to be wrong

  swiftlang/swift-tools-support-core#344 · Filter by author MalteSchledjewski opened on Jul 15, 2022