• detail::is_socket_alive() is not work for https connection #1481
• avoid memory leaks if linked with static openssl libs (#1857)
• Allow hex for ipv6 literal addr in redirect (#1859)
• Fix build on Windows with no WINAPI_PARTITION_APP support (#1865)
• test: fix GetRangeWithMaxLongLength on 32 bit machines (#1867)
• Fix build when targeting Windows 7 as platform. (#1869)
• Require a minimum of TLS 1.2 (#1889)