Post by vinced » Mon Oct 17, 2011 1:09 am

To be clear: an immediate upgrade is required by everybody.



This is not a change to the validation rules. It is a missing validation rule and that is why it has to be applied immediately.



If you don't upgrade an attacker can cause you to get on an invalid fork of the chain and can rewrite the past since the last checkpoint.



Once the patch is applied that kind of fork will be ignored.