On December 18, 2017, the White House released an updated version of the U.S. National Security Strategy. There was a specific mention of Taiwan, as follows:
We will maintain our strong ties with Taiwan in accordance with our “One China” policy, including our commitments under the Taiwan Relations Act to provide for Taiwan’s legitimate defense needs and deter coercion.
Source: National Security Strategy of the United States of America, December 18, 2017