On January 1st 2022, the HTS will be updated with recommendations made by the United States International Trade Commission. These recommendations have been open for comment to federal agencies and the public for the last two years in order to ensure proper classification of goods. There are 351 total amendments being made to the HTS, including new subheadings for a large range of products including electronic vaporizers, hybrid truck engines, blanched peanuts, and cultural artifacts.
The full list of recommendations going into effect can be found here