tons of rejects mining with the new wallet. easily 80% or more. Is this the new 51% attack protection?
Yes, part of this is related to the 51% attack defense. However there are still some questions that need to be answered regarding the pools and the blockchain.
The DevTeam is in the process of completing their investigation into this issue and will be making some recommendations in a few hours which will include confirmation of the official chain height and whether a maintenance patch will be needed/released.