Yeah, so first letter of a few recent Q posts:

Q, 8/19

DFDTDADTTDADADADFDT

Q, 9/12

HWDFDTDADTTDADADADFDT

Not a SIGINT expert but this looks like some kind of message header / footer. Highly suspect many of Q's recent posts may contain multiple forms of encoded data…. raises interesting questions. Will continue to observe.