From Publishers Weekly:
The New York Times has eliminated a number of bestsellers lists, although the exact number could not be confirmed Thursday morning. Cutting the various lists is part of an overall plan by the paper to revamp its coverage of publishing.
A note sent on Wednesday to subscribers to the advance bestsellers lists said, “Beginning with the Advance BSL edition that will be delivered today for Feb. 5, 2017, there will be revisions to multiple categories in the publication. These changes will span weekly and monthly lists.”
. . . .
“Beginning February 5, the New York Times will eliminate a number of print but mostly online-only bestseller lists.
In recent years, we introduced a number of new lists as an experiment, many of which are being discontinued. We will continue to cover all of these genres of books in our news coverage (in print and online). The change allows us to devote more space and resources to our coverage beyond the bestseller lists.
Our major lists will remain, including: Top 15 Hardcover Fiction, Top 15 Hardcover Nonfiction, Top 15 Combined Print and E Fiction, Top 15 Combined Print and E Nonfiction, Top 10 Children’s Hardcover Picture Books, Top 10 Children’s Middle Grade Hardcover Chapter Books, Top 10 Children’s Young Adult Hardcover Chapter Books, and Top 10 Children’s Series. Several more including Paperback Trade Fiction, Paperback Nonfiction, Business, Sports, Science, and Advice Miscellaneous will remain online. Readers will be notified that individual lists will no longer be compiled and updated by the New York Times on the relevant article pages.”
Among the lists that appear to have disappeared are the graphic novel/manga and the mass market paperback lists as well as the middle grade e-book and young adult e-book lists.
Link to the rest at Publishers Weekly and thanks to Cassandra for the tip.