it used to work just fine but starting with i would say 7.0 or so it only drops dust when you break this block now even though i have drop-on-delete: true

It seems to work just fine for bookshelves just not the redstone ore

I should also mention that it doesn't give you the field has been deleted message either but the field does disapear.

Odd, ill check it out.

Yep, had to do with the fact that redstone ore 73 turns into block 74 after its placed. So it would no longer be detected correctly, the only reason the field was not being left behind is that it was being autodeleted (in place as an auto-clean-up for ppl that change block ids in the config a lot). I wouldn't be surprised if your players complained to you about protection going down in their redstone fields out of nowhere.

Fixed on next version.

I was playing with a redstone PS last night. When I broke it, it would drop dust as well as the ore block (and possibly once just dust?). Just FYI. I guess we should steer clear of that block. Hopefully emerald/lapis don't work like that too.