Jack-0.74.0 has been released. It is available at
More portable/forgiving #defines in headers.
Documentation updates (reference and man page).
New --dither=none option for scripting help.
Transport is initialized to "Stopped, frame zero" when jack is started.
Removed error.h and put its function in jack.h.
Jack no longer sends event messages to clients not yet running a
dedicated JACK thread.