fe.settings:getUserBoardSettings - non array given[os] - Endchan Magrathea
 >>/1357/

You can also set up proxying to 127.0.0.1:9050 in Hexchat.  This works when connecting to the .onion addresses.

Settings->Preferences->Network-> Network Setup

Fill in the socks5 proxy information.  Then Add the new server in the connection tab using the .onion address and port number.  Works.