Registry Release Notes - v4.0.0

Version	4.0.0
Helm Chart Version	4.0.0
Release Date	17-Apr-2026
Description	First release of Registry Gen 2 - the domain agnostic registry platform 4.0.0 manifests the Farmer Registry (with the farmer domain models defined in the extensions repository)
Previous Version	—

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Summary

OpenG2P Registry v4.0.0 implements domain agnosticism as the core architectural principle. The platform ships with a Farmer Registry as the first domain manifestation, built entirely using the extension framework without modifying core platform code. This release also includes performance optimizations, expanded authentication capabilities, enhanced data validation, and refined user management workflows.

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Key features

Feature	Description	Details
Domain Agnosticism & Extensibility	Core registry is domain-neutral; domain-specific registries are implemented as extensions	Metadata-Driven Extensibility, Building a Registry
Farmer Registry Manifestation	Reference domain implementation demonstrating extension architecture	Use Case Implementation
Functional ID Generation	Decoupled ID generation via OpenG2P ID Generator; configurable per Register	Functional ID Generation, ID Generator
Multi-Provider Authentication	OIDC/OAuth integration via OpenG2P IAM Service; ships with Keycloak support	RBAC Roles & Permissions, IAM
Change Request Infrastructure	All write operations flow through centralized change requests with verification and approval	Change Management, Design
Version History	Every register change is logged as a version snapshot linked to its originating change request	Audit-ability & Trace-ability
Async Task Processing	Celery Workers and Beat for background ingestion, outgestion, deduplication, and computation	Ingestion Pipeline, Organization of Codebase
Encryption at Rest	Envelope encryption (AES + KMS) for sensitive fields	Data Integrity, Security & Encryption, Design
Audit & Verification Logging	Comprehensive verification logging with audit trails and user action attribution	Audit Trail Design

For the complete feature list, see Features.

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Components & versions

Refer to Helm Chart for details on components, dependent services and compability.

Component architecture

For detailed component architecture and repository descriptions, see Organization of Codebase.

Breaking changes

This is the first release of the Gen 2 Registry platform. This is complete new architecture and is NOT COMPATIBLE with Gen1 Registry (3.x and before).

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Non Functional Requirements

Refer to Security and Performance Testing - Design & Approach Document

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Interoperability Standards

The Farmer Registry implements the Farmer DCI Standards in the Ingestion and Outgestion pipelines.

Known issues

Refer to issue Jiras.

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Testing

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Deployment

For deployment of Registry, see Deployment.

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Roadmap

For features planned for upcoming releases, see Versions.