If they were talking about admitting divorced and remarried believers, I bet this unification would be nipped in its bud.
So the attitude of the official church is what changed; we did not. We were not the ones who asked for an agreement; the pope is the one who wants to recognize us.
I suspect the Holy Father was having a Matthew 5:23 moment. The person who is sought out in reconciliation is, according the Gospel, the one who has committed the wrong.