OTP-8550  The function ssh:connect/4 was not exported.

    OTP-8644  Aligned error message with used version (SSH_FX_FAILURE
              vs SSH_FX_NOT_A_DIRECTORY, the latter introduced in version
              6).

    OTP-8645  Resolved race condition when another connection is started
              before a channel is opened in the first connection.

    OTP-8535  The configuration parameter ip_v6_disabled is now available,
              which makes it possible for the user to alter the IP version
              SSH shall use.

    OTP-8534  The ssh_connection:send operation now accepts infinity as
              timeout.

    OTP-8524  The connection handler now include stack traces when a channel
              message is not handled correctly.