Trillium (R1 2026)

Trillium (R1 2026)

Duration: 29 Sprints (mid Sprint 212 - mid Sprint 241) = 28.5 development sprint + 0.5 for modules releases

Release status

Track

Status

Comments

 

 

Track

Status

Comments

 

 

Features development

Green

 

 

 

OST (Official supported technologies)

Green

 

 

 

Integration testing

Green

 

 

 

Roadmap

image-20251218-153832.png

 

EPICS

Release preparation

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Modules and Applications release

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Trillium Bugfest Dashboard

 

Timeline

Sprint

Dates

Name

Description

Sprint

Dates

Name

Description

Sprint 236

Feb 13, 2026

Notify community regarding sharing information of new modules

Include module to FOLIO Module/JIRA project-Team-PO-Dev Lead responsibility matrix

Sprint 237

Feb 27, 2026

Deadline for requests to add new modules to the reference environments

Create Jira ticket at FOLIO Jira project ex. FOLIO-3255: Add mod-inn-reach to testing/snapshot hosted environmentsClosed

Sprint 238

Mar 13, 2026

Umbrellaleaf release scope composition deadline

Lead PO prepared list of features for Umbrellaleaf release and input from SIGs

Sprint 239

Mar 23, 2026

API freeze for platform (Eureka/Stripes/RMB/Vert.x/Spring) readiness review

RC review released platform components and facilitate meeting with unreleased components owners to discuss available impediments/issues/problems to understand when component could be released

Mar 27, 2026

API freeze for platform (Eureka/Stripes/RMB/Vert.x/Spring)

Okapi/Stripes/RMB/SpringWay freeze and deadline for initial releases of platform components. 

No breaking changes to the platform after this date.

Feature development freeze for R1 2026 release period. No new feature can not be added after this date. DoD for features has been met. Only defects are expected tie to R1 2026 period. Separate release branch has to be created after feature freeze date. All R1 2026 bug fixed have to be applied to both release and Master branches. Next release period feature development is expected on Master branch.

Features test cases preparation deadline

To start test case automation for Trillium features test cases need to be prepared.

Deadline for acceptance of new modules by Technical Council at Trillium (R1 2026)

New Module Technical Evaluations - Technical Council - FOLIO Wiki

Deadline for new Eureka-application introduction

 

Sprint 240

Mar 30, 2026 - Apr 10, 2026

Teams upgrade to the platform components

Teams upgrade to the platform components versions that were released.

Mar 30, 2026

Bugfest environment preparation kick-off

Conduct meeting for review Bugfest preparation plan

Create appropriate jira tickets in Kitfox backlog

Review list of new modules

Review data cleanup

Review new data

Apr 2, 2026- Apr 3, 2026

Umbrellaleaf release scope decomposition and estimation

 

Apr 6, 2026

Umbrellaleaf release scope refinement deadline

POs prepare list of UXPROD features aligned with Umbrellaleaf team capacity. PO present prepared scope at next PO Weekly meeting at <TBD>

Apr 10, 2026

Major interface version provided to be updated

 

Review upgrade to platform components status.

RC review upgraded components and facilitate meeting with non-upgraded components owners to discuss available impediments/issues/problems to understand when component could be upgraded

Modules feature development freeze R1 2026

Feature development freeze for R1 2026 release period. No new feature can not be added after this date. DoD for features has been met. Only defects are expected tie to R1 2026 period. Separate release branch has to be created after feature freeze date. All R1 2026 bug fixed have to be applied to both release and Master branches. Next release period feature development is expected on Master branch.

Trillium R1 2026 features acceptance deadline

 

Update modules configuration details

https://folio-org.atlassian.net/wiki/spaces/REL/pages/1034125338/Trillium+R2+2025+-+Bugfest+env+preparation+-+Modules+configuration+details

Sprint 241

Apr 13, 2026 - Apr 16, 2026

Schema upgrade testing

Major modules versions should be released. Schema upgrade have to be released and tested locally by each team.

Apr 13, 2026 - Apr 17, 2026

Teams modules & applications releases

 

Apr 16, 2026

Modules release readiness review

RC review released modules and facilitate meeting with unreleased modules owners to discuss available impediments/issues/problems to understand when module could be released). Major interface version provided to be updated

Apr 13, 2026

New blank Trillium bugfest environment is prepared 

 

Apr 14, 2026

 

Eureka-application app-platform-minimal release deadline

https://github.com/folio-org/app-platform-minimal must have R1 2026 compatible release/branch by this date

Apr 15, 2026

Scripts are ready for new modules deployment

 

Eureka-application app-platform-complete release deadline

https://github.com/folio-org/app-platform-complete must have R1 2026 compatible release/branch by this date

Apr 16, 2026

Schema upgrade testing review

RC review upgraded modules and facilitate meeting with non-upgraded  modules owners to discuss available impediments/issues/problems to understand when schema could be upgraded.

Apr 17, 2026

Final Review modules release readiness

RC review released modules and facilitate meeting with unreleased modules owners to discuss available impediments/issues/problems to understand when module could be released

Module release deadline

All modules must have R2 2025 compatible releases by this date

Finalize release notes for Trillium features/applications/modules

Release notes have to be updated

Eureka-applications release deadline

All applications must have R1 2026 compatible releases by this date

Eureka-application platform-lsp release branch creation

https://github.com/folio-org/platform-lsp must have R1 2026 compatible release branch

Contact with EBSCO FSE devops

Review release information. Up to date versions should be set

Apr 18, 2026 - Apr 24, 2026

Release integration week

Bugfest environment preparation, testing of schema and data migration by EBSCO FSE team

Apr 22, 2026

Deployment to Trillium bugfest env is completed.

Data set is ready

 

Apr 23, 2026 - Apr 24, 2026

Sanity testing at Trillium bugfest env

 

Sprint 242-243

Apr 27, 2026

Umbrellaleaf RFC Consideration

tech-council/NEW_MODULE_TECH_EVAL.MD at master · folio-org/tech-council · GitHub

Apr 27, 2026 - May 22, 2026

Trillium R1 2026 Release testing and hardening period

 

 

Apr 27, 2026 - May 15, 2026

Functional testing (Bug Fest)

Execute all TestRail test cases

 

Apr 13, 2026 - May 15, 2026

Performance testing

 

 

May 18, 2026 - May 22, 2026

Ongoing triage and bug fixing of bugs begins immediately

 

May 21, 2026

Bugfix releases readiness

RC review bugfix dashboard and facilitate meeting with unresolved modules owners to discuss available impediments/issues/problems to understand when module could be released

Create R1-2026 platform-lsp release branch

 

May 22, 2026

Bugfix releases deadline

 

Sprint 244

May 26, 2026 - May 28, 2026

Final Smoke testing

 

May 29, 2026

Release is public

 

Interface dependency matrixes 

 

Modules planned for release

 

Release notes