For decades, the Unites States has limited itself in it’s interactions with it’s ally Taiwan, in an attempt to appease the Communist Party which rules the People’s Republic of China (PRC).
The PRC on the other hand, has become increasingly confrontational towards the U.S. in recent years.
On Saturday, Secretary of State Mike Pompeo announced that the U.S. is finally abandoning it’s self-imposed restrictions when interacting with Taiwan.
https://www.state.gov/lifting-self-imposed-restrictions-on-the-u-s-taiwan-relationship/