



When Pageant is running and an SSH key is specified in the configuration, PuTTY will now only try Pageant authentication with that key.Support for sending terminal modes in SSH.Support for the Arcfour cipher in SSH-2.Various cryptographic improvements in SSH-2, including SDCTR cipher modes, a workaround for a weakness in CBC cipher modes, and Diffie-Hellman group exchange with SHA-256.Improved speed of SSH on Windows (particularly SSH-2 key exchange and public-key authentication).(Unix PuTTY has supported this since it was first released in 0.54.) Also, Plink has gained a \"-nc\" mode where the primary channel is replaced by an SSH tunnel, which makes it particularly useful as the local command to run. Windows PuTTY now supports \"local proxying\", where a network connection is replaced by a local command.PuTTY can now connect to local serial ports as well as making network connections.
