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So, that announcement is also supposed to say clearly in big letters:
BUT THE NEW YORK RAID WILL REMAIN LOCKED UNTIL FINAL TESTING IS COMPLETE.
I have no idea why that is not a part of the communication, because that is the case.
We found some nasty bugs in the raid (one half of the raid not being able to receive loot, for example) which we will fix and test and hopefully have gone very soon.