Release 4.2.6

• Channel: stable
• Deployment target: production
• Published: 2026-04-12T13:02:24Z
• Release tag: v4.2.6

[4.2.6] - 2026-04-12

Changed Components

• admin-backend v4.1.8
• admin-frontend v4.1.7
• main-backend v4.1.6
• main-frontend v4.1.5

Added

• admin-backend: Enhanced heartbeat response metadata.
• admin-frontend: Added detailed tax calculation guidance and hints for required billing fields in SiteCheckoutSettings.
• admin-frontend: Added comprehensive tests for the SystemLicensing component and SiteCheckoutSettings behavior.
• main-backend: Implemented email deduplication and provider reference fallback in notification scheduling.
• main-frontend: Added billing and payment localization updates for multiple languages.

Changed

• admin-backend: Enhanced billing field modes configuration and validation in checkout settings.
• admin-backend: Updated dependencies to the latest versions.
• admin-backend: Updated licensing authority error handling.
• admin-frontend: Refactored TaxEvidenceTooltip component for improved UI and functionality.
• admin-frontend: Enhanced SiteCheckoutSettings with billing field modes normalization.
• main-backend: Updated Swagger documentation and improved checkout settings.
• main-backend: Refactored invoice generation encryption and linking logic.
• main-frontend: Upgraded multiple dependencies.

Fixed

• admin-frontend: Enhanced error handling within the SystemLicensing component.

Managed Image Baseline