Re: localisation issue of mo file
There were some issues with the stream reader class and 64 bit processors if I remember correctly.
That should be fixed in the next version of bbPress – maybe you can see if this function makes sense to you:
https://trac.bbpress.org/browser/branches/0.8/bb-includes/gettext.php#L98
Maybe you could test against the next release for us? Just grab the zip file from the bottom of this page: