SemVer Minor
- Added second implementation of liburing as discussed in #1761. (#1804, patch credit to @hassila)
- WebSocket Frame Aggregator (#1823, patch credit to @dnadoba)
SemVer Patch
- Reduce selector wakeups. (#1820)
- Rewrite RecvByteBufferAllocator. (#1850)
- Tests should tolerate cpusets. (#1853)
Other Changes
- CI: print out version info (#1821)
- Stop measuring alloc counts on 5.0 (#1826)
- Bring back accidental commented benchmark (#1833)
- ByteBufferTests: some extra tests around withUnsafeMutableReadableBytes (#1835, #1837)
- Update version support (new floor: Ubuntu 18.04) (#1838)
- Fev/lldb-smoker: LLDB smoke test using NIO (#1840)
- Use Swift 5.4 release docker image (#1843, #1851)
- Alloc limit updater: allow other repos (#1844)
- Dev/scripts: add missing license headers (#1852)