Not sure why 2.26 will and 2.27 won't, since the change between them is irrelevant, unless I upgraded the compiler and forgot about it.
Tested with 6770 Cat13.8. Seen a couple subs here with this version, so I know it does work for others as well.
What driver are you running, and which OS?
Sure, still waiting for your files. Send them by PM with a download link.