According to the IAEA: Iran is compliant.
The IAEA issued this statement by its Director General Yukiya Amano on 2018-05-09:
The IAEA is closely following developments related to the Joint
Comprehensive Plan of Action (JCPOA). As requested by the United
Nations Security Council and authorised by the IAEA Board of Governors
in 2015, the IAEA is ...
Obviously, Iran could be out of compliance and hiding it so well no one else knows. Here, however, is what the US Government has to say:
Secretary of State Mike Pompeo [and recent director of the
CIA – AL] had said in recent weeks that there was no evidence that
Iran breached the deal. “I’ve seen no evidence that they are not in
The Washington Post says that the United States has been given a copy of the archive and quotes a spokesman of the US National Security Council as saying:
[it] described “an Iranian effort from 1999-2003 to develop nuclear weapons” [and] “adds new and compelling details"
So the information is new details about the 1999-2003 program.