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Changes in 7.50.2 - September 7 2016

• mbedtls: Added support for NTLM
• SSH: fixed SFTP/SCP transfer problems
• multi: make Curl_expire() work with 0 ms timeouts
• mk-ca-bundle.pl: -m keeps ca cert meta data in output
• TFTP: Fix upload problem with piped input
• CURLOPT_TCP_NODELAY: now enabled by default
• mbedtls: set verbose TLS debug when MBEDTLS_DEBUG is defined
• http2: always wait for readable socket
• cmake: Enable win32 large file support by default
• cmake: Enable win32 threaded resolver by default
• winbuild: Avoid setting redundant CFLAGS to compile commands
• curl.h: make CURL_NO_OLDIES define CURL_STRICTER
• docs: make more markdown files use .md extension
• docs: CONTRIBUTE and LICENSE-MIXING were converted to markdown
• winbuild: Allow changing C compiler via environment variable CC
• rtsp: accept any RTSP session id
• HTTP: retry failed HEAD requests on reused connections too
• configure: add zlib search with pkg-config
• openssl: accept subjectAltName iPAddress if no dNSName match
• MANUAL: Remove invalid link to LDAP documentation
• socks: improved connection procedure
• proxy: reject attempts to use unsupported proxy schemes
• proxy: bring back use of "Proxy-Connection:"
• curl: allow "pkcs11:" prefix for client certificates
• spnego_sspi: fix memory leak in case *outlen is zero
• SOCKS: improve verbose output of SOCKS5 connection sequence
• SOCKS: display the hostname returned by the SOCKS5 proxy server
• http/sasl: Query authentication mechanism supported by SSPI before using
• sasl: do not use GSSAPI authentication when domain name not specified
• win: Basic support for Universal Windows Platform apps
• nss: fix incorrect use of a previously loaded certificate from file
• nss: work around race condition in PK11_FindSlotByName()
• ftp: fix wrong poll on the secondary socket
• openssl: build warning-free with 1.1.0 (again)
• HTTP: stop parsing headers when switching to unknown protocols
• test219: Add http as a required feature
• TLS: random file/egd does not have to match for conn reuse
• schannel: Disable ALPN for Wine since it is causing problems
• http2: make sure stream errors do not needlessly close the connection
• http2: return CURLE_HTTP2_STREAM for unexpected stream close
• darwinssl: --cainfo is intended for backward compatibility only
• speed caps: not based on average speeds anymore
• configure: make the cpp -P detection not clobber CPPFLAGS
• http2: use named define instead of magic constant in read callback
• http2: skip the content-length parsing, detect unknown size
• http2: return EOF when done uploading without known size
• darwinssl: test for errSecSuccess in PKCS12 import rather than noErr
• openssl: fix CURLINFO_SSL_VERIFYRESULT

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