[DCRM-L] WorldCat Validation installation planned, 15 October 2026

[James,Kate]

Please excuse cross-postings. This message was sent to multiple email lists.


On 15 October 2026, OCLC expects to install changes to WorldCat Validation, including the following new features and enhancements:

This validation installation includes the following new features and enhancements:

  *   OCLC-MARC Validations of New MARC Codes Announced 22 July-17 September 2026
     *   Genre/Form Code and Term Source Codes
     *   Classification Scheme Source Codes
     *   Name and Title Authority Source Codes
     *   Standard Identifier Source Codes
     *   Subject Heading and Term Source Codes
  *   New code added to OCLC-MARC bibliographic field 029, subfield $t


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 community.

See the WorldCat Validation Release Notes, October 2026<https://help.oclc.org/Metadata_Services/WorldShare_Record_Manager/WorldCat_Validation_release_notes_and_known_issues/2026_WorldCat_Validation_release_notes/090WorldCat_Validation_release_notes_October_2026> at oc.lc/validation-release-notes for more details on the changes that we plan to install on 15 October 2026.


Kate


Kate James  (she/her/hers)
OCLC * Program Coordinator- Metadata Engagement, Global Product Management
6565 Kilgour Place, Dublin, Ohio, 43017  United States
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