o Minor bugfixes
    - Avoid a double mark-for-free warning when failing to attach a
      transparent proxy connection.  Fixes bug 2279.  Bugfix on
      Tor 0.1.2.1 alpha.

  o Minor features
    - Detect attempts at the client side to open connections to private
      IP addresses (like 127.0.0.1, 10.0.0.1, and so on) with a randomly
      chosen exit node.  Attempts to do so are always ill-defined, generally
      prevented by exit policies, and usually in error.  This will also
      help to detect loops in transparent proxy configurations.  You can
      disable this feature by setting "ClientRejectInternalAddresses 0"
      in your torrc.