LSO API SDK Releases

Download convenient packages of entire SDK releases.

Releases

New versions of the LSO API SDKs are released approximately every 6 months. There is one SDK per LSO Interface Reference Point (IRP), e.g., LSO Sonata SDK, LSO Cantata SDK, etc.

Since December 2020, each release has been named alphabetically:

Fergie: June 2023
Ella: January 2023
Dolly: June 2022
Celine: January 2022
Billie: June 2021
Aretha: December 2020

Compatibility

Also see the LSO API Compatibility Chart below.

The SDK release of an IRP contains all artifacts applicable, including:

API specifications.
API developer guides (available to MEF members only).
Release notes.
Business requirements and use cases.
Product or service specifications and documentation.
All relevant additional documentation.
Pre-blended API schemas (where applicable).

Packages

MEF SDK repositories and contents of SDK releases are available for everyone on MEF GitHub.

No GitHub account is required to access the public SDKs.

Roadmaps

Also on this page:

Roadmap for LSO Business APIs
Roadmap for LSO Operational APIs
Roadmap for LSO Product Payloads
Roadmap for LSO Service Payloads

LSO API Compatibility

Key

A – F Release: see list below

No Change

Minor Change: see release notes

Major Change: see release notes

LSO Releases

A LSO Aretha: December 2020

B LSO Billie: June 2021

C LSO Celine: January 2022

D LSO Dolly: June 2022

E LSO Ella: January 2023

F LSO Fergie: June 2023

For LSO Business APIs:
LSO Sonata & LSO Cantata

Releases

Roadmaps

Key

E-H Release: see list below

No Change

Minor Change: see release notes

Major Change: see release notes

LSO Releases

E LSO Ella: January 2023

F LSO Fergie: June 2023

G LSO Grace: December 2023

H LSO Haley: June 2024

The detailed LSO Sonata SDK Roadmap, LSO Cantata SDK Roadmap, and LSO Legato SDK Roadmap are publicly available on the MEF Wiki.

Releases

Compatibility

Contents

Packages

Roadmaps

LSO API Compatibility

Key

LSO Releases

For LSO Business APIs:
LSO Sonata & LSO Cantata

Releases

ELLA
January 2023

DOLLY
June 2022

CELINE
January 2022

BILLIE
June 2021

ARETHA
December 2020

Roadmaps

Key

LSO Releases

Roadmap for LSO Business APIs:
LSO Sonata & LSO Cantata

Roadmap for LSO Operational APIs:
LSO Allegro, LSO Interlude, LSO Legato

Roadmap for LSO Product Payloads

Roadmap for LSO Service Payloads

About MEF Forum

Contact MEF

Join MEF

Policies

Releases

Compatibility

Contents

Packages

Roadmaps

LSO API Compatibility

Key

LSO Releases

For LSO Business APIs: LSO Sonata & LSO Cantata

Releases

ELLA January 2023

DOLLY June 2022

CELINE January 2022

BILLIE June 2021

ARETHA December 2020

Roadmaps

Key

LSO Releases

Roadmap for LSO Business APIs: LSO Sonata & LSO Cantata

Roadmap for LSO Operational APIs: LSO Allegro, LSO Interlude, LSO Legato

Roadmap for LSO Product Payloads

Roadmap for LSO Service Payloads

About MEF Forum

Contact MEF

Join MEF

Policies

For LSO Business APIs:
LSO Sonata & LSO Cantata

ELLA
January 2023

DOLLY
June 2022

CELINE
January 2022

BILLIE
June 2021

ARETHA
December 2020

Roadmap for LSO Business APIs:
LSO Sonata & LSO Cantata

Roadmap for LSO Operational APIs:
LSO Allegro, LSO Interlude, LSO Legato