A thread from 2015: https://news.ycombinator.com/item?id=9315152
FWIW, I've used the original post title ("Parallel Programming: December 2019 Update") to focus on the updates (and partially driven by the fear of comments made right after reading just the book title, "Is Parallel Programming Hard, And, If So, What Can You Do About It?", and focusing solely on answering the question while completely ignoring the content... :-]).