CURLSSH_AUTH_PASSWORD 7.16.1
CURLSSH_AUTH_PUBLICKEY 7.16.1
CURLSSLBACKEND_AXTLS 7.38.0
+CURLSSLBACKEND_BORINGSSL 7.49.0
CURLSSLBACKEND_CYASSL 7.34.0
CURLSSLBACKEND_DARWINSSL 7.34.0
CURLSSLBACKEND_GNUTLS 7.34.0
CURLSSLBACKEND_GSKIT 7.34.0
+CURLSSLBACKEND_LIBRESSL 7.49.0
CURLSSLBACKEND_MBEDTLS 7.46.0
CURLSSLBACKEND_NONE 7.34.0
CURLSSLBACKEND_NSS 7.34.0
CURLSSLBACKEND_POLARSSL 7.34.0
CURLSSLBACKEND_QSOSSL 7.34.0 - 7.38.1
CURLSSLBACKEND_SCHANNEL 7.34.0
+CURLSSLBACKEND_WOLFSSL 7.49.0
CURLSSLOPT_ALLOW_BEAST 7.25.0
CURLSSLOPT_NO_REVOKE 7.44.0
CURLUSESSL_ALL 7.17.0