hexkyz has confirmed so here:
Sorry if this has been posted elsewhere. If that's the case, please block this thread.
I knew it was patched after testing on 6.0.0, but I was able to re-write the exploit chain using one of my stashed bugs.
— Mike Heskin (@hexkyz) October 17, 2018
However, at this point I wouldn't be surprised if the whole déjà-vu exploit chain ends up being patched before the Mariko units arrive. :/
Sorry if this has been posted elsewhere. If that's the case, please block this thread.