2022 WorldCat Discovery release notes Laatst bijgewerkt Opslaan als pdf Review the most recent release notes for WorldCat Discovery. Release note year: 2022WorldCat Discovery Release Notes, June 2022WorldCat Discovery Release Notes, May 2022WorldCat Discovery Release Notes, April 2022WorldCat Discovery release notes, March 2022WorldCat Discovery release notes, February 2022WorldCat Discovery release notes, January 2022