bjb, are you sure about that? Or were you looking at the solution for August? What's the link?
I, too, came here after (nearly) finishing it, and since I can't send it in I don't care if they declare it null and void and (I hope) supply another one!
I have the two 4-letter ones in top L and bottom R corners left to do. All themes found including the 'roundabout' - quite entertaining, I thought.
Across
10 Formerly hearing old solvers' piercing "Ogre!", intermittently (4) OY--
29 Some Republicans settled an area bordering the Pacific (4) --EU
Down
2 OECD's minimum interest rate for commerce in the cloud's reduced by 33.33% (4) CI--
29 "Prepare to be shot", a writer''s said (4) --SE
Hints welcome.
syzygy, I wrote it out again in case anyone had forgotten how to do it, or not seen the discussion last month. I just tried it again using letters, and they appeared in order in the grid! So presumably one could fill in the entire grid that way. You still couldn't send it in, though...