On Thursday, 2021 September 23, OCLC installed changes to WorldCat Validation, including the following new features and enhancements:



The following bug fixes were also included:



These enhancements and fixes are the result of announcements of new MARC elements and codes by the Library of Congress as well as feedback and requests from members of the OCLC cooperative.


See the WorldCat Validation Release Notes, September 2021 at oc.lc/validation-release-notes for more details of the changes installed on 2021 September 23.


Please forgive any duplication of this message.


Stay well.





Jay Weitz


OCLC · Senior Consulting Database Specialist, WorldCat Metadata Quality, Global Product Management

6565 Kilgour Place, Dublin, Ohio USA 43017

T +1-614-764-6156 · T +1-800-848-5878 x6156 · F +1-614-718-7195

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