I don't know if anyone else has observed, but the 5° case has been revised since it first came out. I got one of the original pre-order cases, and it had 9 standoffs with screws. I got two later ones that each have the standard 6 standoffs, but they've added three "ledge" supports around the edge of the case.
Just got mine in black, together with the YD60BLE PCB and steel iso board that supports split spacebar. The 6 standoffs are actually really not enough, there's simply zero support in the bottom left of the case. To top it off, the PCB is pretty badly warped so insufficient standoffs pose an extra problem. But even with a straight board, I can't imagine typing on this, with the entire bottom left corner hanging in the air. I'm going to try to add some spacers under the board, other than that, the battery depression on the case has been moved to under where the connector is on the PCB, so the wiring can be shorter, I guess. Overall, I like the case, but am underwhelmed by this standoffs omission.
Oh, and by the way - it is stated on the product page, and indeed the YD60BLE sadly doesn't support split left shift (to accomodate full ISO layout). But this is due to an apparent design error - the mounting holes are there, the markings read "ISO \", but its rightmost mounting holes are offset for 0.125 to the left, making it unusable. The left variant (the one where the entire bottom row is shifted 1/4 to the left, to accomodate "/" + shift + arrows) actually looks usable, but I'm not interested in that one.