26.05 Bug Roundup

26.05 Bug Roundup

Koha partners will be upgraded to Koha v. 26.05.04 from October 20-22, 2026. Please visit the Upgrade Hub to read the release notes, register for webinars, catch up on Monday Minutes, read featured blog posts, and more! This page will be updated as more information becomes available.

Many thanks to our Early Adopters:
  1. Blue Hill Public Library
  2. Corona Public Library
  3. Galveston College Library
  4. Round Rock Public Library
  5. Santa Barbara Public Library
  6. Southern Utah University
  7. Uintah County Library
Alert
Libraries using the Content Cafe integration will need to make some system preference changes PRIOR to your upgrade to 26.05. (Bug 41479 removed the integration from Koha)
  1. In the OPAC on any record detail page, hover your mouse over the Content Cafe link.
  2. Write down the UserID and Password displayed in the URL at the bottom of the window:
  3. In the staff interface, go to the CustomCoverImagesURL system preference.
  4. Enter the following URL:
    1. https://contentcafe2.btol.com/ContentCafe/Jacket.aspx?UserID=YOURUSERID&Password=YOURPASSWORD&Options=Y&Return=T&Type=S&Value={normalized_isbn}
    2. Save your changes.
  5. Leave CustomCoverImages and OPACCustomCoverImages set to "Don't Show."
  6. On the morning after your upgrade, flip the CustomCoverImages and the OPACCustomCoverImages system preferences to "Show," and save your changes.

🪲 Bugs Identified in Koha 26.05.03:

Date reported
Description of behavior
Link to bug
Notes and workarounds
🚨
Aug 11
I filtered my report results using DataTables, and the batch operations tool wants to modify all of the report results instead of the ones I've filtered.
Passed QA

Be watchful if you're batch-modifying any filtered report results. This will likely be patched in time for upgrades in October.
Aug 7
The patron's Holds tab doesn't display the Title column
New
Present when DisplayAddHoldGroups is enabled.

Workaround: Click "Columns" and select Title. The Title column will appear.
Apr 28
The patron's Holds tab doesn't display the Priority column
New
Present when DisplayAddHoldGroups is enabled.

Workaround: Click "Configure" to go to the holds-table settings, deselect the box(es) in the Notes row, and save.
Jul 11
I'm getting the following error when creating a new purchase suggestion:

"Something went wrong when loading the table. 200: OK"
New



🔜 Bugs That Will be Patched in BWS 26.05.04:

⭐️ My OPAC News items are all out of order
Pushed to Stable (26.05.04)
If you're experiencing this bug, send us a ticket and we'll fix the order for you.
⭐️ - Newly added this week (09/14/2026)

🥳 Bugs Identified by Early Adopters and patched in 26.05.04. Thank you, Early Adopters!