It seems like ancient history, but the original and replacement Travel Orders were meant to be temporary, to provide time for a security review.
Those Orders were demagogued as “Muslim bans” when they clearly were not. They applied to the seven highest risk countries for terrorist visa infiltration as identified by the Obama Department of Homeland Security. What ensued were outrageous lower and appeals court decisions against the Travel Orders that read frequently like political manifestos.
The Supreme Court put an end to most of the lower court shenanigans, and freed up the Trump administration to conduct its review. (There was more court action after that, which the Supreme Court again had to slap down.)
Now the security reviews have been completed, and new guidelines were issued tonight, with the wordy title, Presidential Proclamation Enhancing Vetting Capabilities and Processes for Detecting Attempted Entry Into the United States by Terrorists or Other Public-Safety Threats:
Read more at LegalInsurrection
In Executive Order 13780 of March 6, 2017 (Protecting the Nation from Foreign Terrorist Entry into the United States), on the recommendations of the Secretary of Homeland Security and the Attorney General, I ordered a worldwide review of whether, and if so what, additional information would be needed from each foreign country to assess adequately whether their nationals seeking to enter the United States pose a security or safety threat.