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WorldCat Discovery release notes, September 2023


Release Date: September 20, 2023


The following release notes are for the SEPTEMBER 20, 2023 release of WorldCat Discovery.  

WorldCat Discovery September Release Highlights  

This release of WorldCat Discovery includes the following enhancement as well as bug fixes: 

  • View hyphens in 65X subject fields for compound headings. 

Many of these changes are a direct result of your feedback. 

Include Request ID with problem reports 

When reporting an issue with WorldCat Discovery, it is extremely helpful to include the Request ID. The Request ID is found at the bottom of the screen on which the issue occurred. Including this information allows us to directly trace what happened on the request we are troubleshooting. 

Screenshot depicts portion of the WorldCat Discovery footer where a Request ID can be located to submit with a problem report.

New features and enhancements

View hyphens in 65X subject fields for compound headings 

With this release, compound subject headings will display with a hyphen separating out their component parts. For example, if a record contained the following 650 field: 

650 #0 $a Agriculture $x History $v Periodicals 

The following would display in WorldCat Discovery: 

Agriculture – History – Periodicals  

Example on search results: 

Screenshot of search results depicting the hyphenated compound subject "Natural history - Periodicals". 

Example on item details: 

Screenshot of item details page with subjects outlined, including hyphenated compound subjects.

Bug fixes


Subject display will now de-duplicate within a given subject authority 

Prior to this release, if a subject from a single authority source existed within both the 650 field of an item bibliographic record and the 690 field of the Local Bibliographic Data for that record, both subjects were displayed. With this release, if there are multiple instances of the same subject within the same authority, the display will now be de-duplicated. 

Additional physical form entry title searches with parentheses now yield results 

Before this release, when selecting a hyperlinked title on the item details page under “Additional Physical Form Entry”, if that title contained parentheses, the search would return no results. With this release, those searches will now correctly return results. 

Known Issues

In our August WorldCat Discovery release, we reported that we had resolved the known issue related to clustering options in the new result view of the Search Alerts Beta experience.

We have since discovered that the fix that was implemented has caused some unexpected consequences for searching in WorldCat Discovery. To ensure search platform reliability, we are going to remove the clustering fix for the Search Alerts Beta experience which will re-introduce this known issue. This update will take place with this release.

We are investigating an alternate fix that will support clustering in the new result view for Search Alerts.  We will share updates on the planned solution and its timing as details are confirmed.

Known Issue:

New result view (Search Alerts Beta Experience): Clustering options should be available in this view, but is not currently functional. 

  • Expected outcome:  All new results will display in the “show all” flat view. Users should be able to cluster the result set as needed.  
  • Workaround: Do not select a different view, other than the “show all” flat view. 
Targeted Resolution: TBA

Important links

Product website

More product information can be found here.

Support website(s)

Support information for this product and related products can be found at:

If you have additional questions, please contact OCLC Customer Service by calling 1-800-848-5800 or 1-614-793-8682 Monday – Friday 7 a.m. – 9p.m. ET, or email For support enquiries in the UK and Ireland, please contact the Support Desk by calling +44-(0)114-281 60 42 or e-mailing Support is available between the hours of 09:00 and 17:30 (UK Time).