i have updated rokbridge for seversl times, i just need to update the installer for 3.4, i have it working, just did not get round to packing it all again in a new package. that version works only with phpbb3.0.x versions and is no longer free. if you search the forum you'll find several posts stating exactly that info. rt decided a long time ago to drop the extension, I kept it updated afterwards.
Ever got the chance to complete the update of rockbridge for joomla 3.4?