Release 4.0.3

• Channel: stable
• Published: 2026-03-16T22:38:01Z
• Release tag: v4.0.3

[4.0.3] - 2026-03-16

Customer-Facing Changes

APIs And Integrations

• Added licensing endpoint URL resolution and validation.

Fixes

• Improved license state messages for clarity and detail.
• Updated the release metadata endpoint to production.

Deployment Notes

Use the updater from payment-gateway-deploy to install this release. Exact image references and digests are resolved from signed release metadata and deployment tooling instead of being duplicated in these notes.

Security Artifacts

This release was published before the current release security artifact contract was made customer-facing. Use Release Security Transparency for the current SBOM, vulnerability report, policy-result, checksum, and provenance evidence model.