In this Forbes article, Stuart Anderson provides a good summary of the USCIS and USDOL rules that will change the H-1B visa program by substantially increasing the prevailing wages for H-1B occupations and redefine “specialty occupation.”

https://www.forbes.com/sites/stuartanderson/2020/10/07/trump-administration-issues-two-new-rules-to-restrict-h-1b-visas/#6c2d38695120