on auth method use key passphrase instead of password to refer to the private key passphrase - using password will be deprecated in future releases and is now warned
add support for IPv6 via IO::Socket::IP (patch submitted by Baldur Kristinsson)
use binmode when transferring data from/to the local filesystem in SCP methods
add support for password-interact authentication
add fallback option to auth method
allow undef as the publickey path (patch submitted by Yuni Kim)
on channel write method, when blocking mode is set, call libssh2_channel_write repeatly until the buffer is empty
on channel read method, when non-blocking mode is set, don't call libssh2_channel_read repeatly until the buffer is filled
add Net::SSH2 known_hosts method and Net::SSH2::KnownHosts class
add keepalive_config and keepalive_send methods
add channel methods "window_write", "window_read" and "receive_window_adjust"