Features

• Reject requests that don't set Content-Length or Transfer-Encoding: chunked (#1130)

Bugs Fixed

• Attempting to write to HEAD response hangs the request (#1202)
• NullReferenceException during server shutdown (#1188)
• MemoryPoolIterator.PeekLong() sometimes returns invalid values (#1183)
• Handle non "chunked" Transfer-Encoding request header values. (#1181)
• Don't log ECONNRESET's between requests and during shutdown (#1176)
• Kestrel considers Connection: keep-alive, upgrade as non-upgrade request (#1170)
• TCP Loopback Fast Path causes occasional connection hangs (#1147)
• HttpContext disposed before the error code is set. (#876)