Month: 2025-10 | DEFRA/epr-calculator-service: concise monthly delivery focused on feature delivery and code quality improvements. No major bugs reported this month.

In 2025-09, delivered frontend feature enhancements in DEFRA/epr-calculator-frontend to expand calculator run eligibility and support new run classifications, and completed documentation updates to README files. No major bugs fixed this month; effort focused on feature delivery and improving developer onboarding through documentation. Business value delivered includes broader eligible-run processing, improved classification handling, and clearer project descriptions to accelerate future work.

Month 2025-08 – DEFRA/epr-calculator-service: Reverted the incorrect subsidiary name fix impacting Main Producer Data to restore correct subsidiary/name handling. This rollback prevented erroneous subsidiary mappings from propagating into downstream calculations and data outputs. The change included removal of several test methods and a refactor of the logic used to retrieve organization and subsidiary names, improving code clarity and maintainability. Overall, this work reduced data integrity risk, preserved business reporting accuracy, and set the stage for safer, targeted improvements. Commit traceability is preserved via 2153f8b2980c0853fb905e4680c19a22a26ddd0b.

July 2025 delivered significant business value across the DEFRA epr-calculator suite by improving billing precision, expanding file generation capabilities, and tightening data lifecycle and integrity. The work enhances invoicing accuracy, speeds billing operations, and improves data health for downstream analytics and reporting. Key outcomes include precise monetary data exports, support for multiple billing files, reliable retrieval of the latest billing data, and safer handling of legacy runs and initial-run operations.

June 2025 performance summary for DEFRA epr-calculator API and service teams. Key features delivered span billing file generation governance, configuration cleanup, and enhanced JSON export capabilities, supporting scalability and regulatory readiness. Major outcomes include improved reliability, traceability, and maintenance efficiency across billing workflows and data exports.