Trillium release now available
FOLIO’s Trillium Release
Building an Ever Better FOLIO
byJennifer Eustis
July 13, 2026
The FOLIO Open Source Community has issued its latest named release, Trillium, which includes new features, enhancements, and bug fixes for the FOLIO Library Services Platform (LSP), supporting both single-tenant environments and the consortial model (ECS).
Below are highlights from the Trillium release. Full details can be found in our Notes on Functionality, prepared by our amazing FOLIO Product Owners.
Agreements and Licenses:
New support for acquisitions units (the same mechanism used by Orders, Organizations, Invoices, and Finance) for fine-grained control over who can view, edit, and delete agreements, agreement lines, licenses, and amendments
New integration for remote GOKB title search allows users to search for titles directly in GOKB without those titles needing to be present in the local KB
New feature to delete the content (titles) of a package from the local knowledge bases while retaining the package header information
New Entitlement log enhancement that displays information from the Agreements Local KB only on what resources have been added to, updated within or removed from a library’s collection of eResources based on their current agreements
Bulk Edit:
New support for creating and managing Bulk Edit profiles by users for repeatable Bulk Edit jobs.
Setting Instance Records for Deletion in Bulk
New Support for querying repeatable fields in the Bulk Edit Query Builder, with a number of support for new fields from the purchase order line, instance, holdings, and item record, such as call numbers, language, or fund distribution
Bulk Edit now has a “Reset all” button
Circulation: FOLIO supports the circulation of items for use at a location.
Data Export:
Ability to lock and delete Data Export profiles
Ability to export Linked data in JSON format
Ability to save the UUIDs from an Authority search to use in Data Export
Enhanced support to export Authority records using CQL
Data Import:
ECS: Ability to restrict Data Import actions in member tenant to local instances
Enhancement to the stop processing job where the job is stopped
Removal of the match criterion options in the Data Import match field mapping profile
29 bug fixes come with Trillium to enhance and stabilize Data Import
eHoldings and eUsage (ERM):
In eHoldings, the user can now select columns to display on the Package detail record’s list
In eUsage, new support for COUNTER5.1 and enhancements to the calculations
Fulfillment: (ECS) New support to prevent inactive patrons from submitting requests
Inventory Import App: Inventory Import provides a way to bring bibliographic information into FOLIO. Any XML-based format, including MARCXML, can be used, and transformation pipelines can be defined for different import channels. Imported records, once transformed, are added to the FOLIO inventory. Inventory import is format-agnostic and scalable. It can be used for the import of very large jobs, e.g., during data migration, or used for upsert jobs with near-real-time updates of FOLIO inventory. More details.
Inventory:
Title and Contributor added to Classification Browse
Re-order items records
Search for a barcode in the Item Keyword search option
Electronic Access URI relationship in the query and All search
Normalized ISSN
Instance HRID to results list
(ECS): Held by facet will default to the current tenant
(ECS): Tenant can set default columns to display in the Inventory search
NEW: Inventory Import provides a way to bring bibliographic information into FOLIO, designed for the German Library’s Networks CBS2FOLIO workflow.
List App: Extended functionality to query authority records
MARC Authority:
Contextual drop-down support for the MARC field 008
(ECS): Authority control reports identifying if a record is shared or local
OAI-PMH: Improved visibility to settings with notification and status more clearly designated
Orders:
Support to allow a library to set an alternate exchange rate source
New integration with EBSCO’s Mosaic
CHANGE to EXISTING BEHAVIOR: When an order with “receipt not required” is created, the ordering and receiving quantities are now automatically set to independent
Receiving: New support to assign an editable numeric sequence in Receiving
Staff Slips:
To support the Circulation new For use at location functionality, there is a new staff slip token and edit options using basic HTML
Pick slips can be sorted before printing
User Preferences: Users can set their language preference in their profile
Users:
Custom field display accordion configuration
Patron photo capture
New custom fields to display at checkout
Enhancements to the UI to make the display clearer
Number Generators:
Number generators can be used for User barcodes, Item barcodes using Fast Add, and additional Call numbers in Inventory (Holdings and Item records)
The next release will be the Umbrellaleaf Release (release schedule to be determined).
About FOLIO
FOLIO is a collaborative effort among libraries, vendors, developers and consortia that leverages open-source technology and a community-based effort to redefine library services and innovate based on library futures. By building on what libraries need and by leveraging library expertise as well as vendor capacity and velocity, FOLIO is designed to move libraries forward, build on the services they provide and redefine the role libraries play within their institution. FOLIO also levels the playing field and makes open source technology available to all institutions regardless of size or staffing. FOLIO brings vendors together to innovate and host services for customers and introduces open source as a service to libraries. To sign up to participate or receive more information go to http://www.folio.org .