January 2026 monthly summary for ecmwf/downstream-ci: delivered two major features around Earthkit-transforms dependency/environment overhaul, plus CI/configuration cleanup and a bug fix. The work improved build reproducibility, test reliability, and maintainability, accelerating onboarding and reducing CI complexity.

Monthly summary for 2025-08: Focused on data lifecycle and metadata accuracy for the ecmwf-projects/cads-messages repository. Key action: deprecation of WOUDC ozone total column and profiles dataset by removing the 'live: true' flag and setting the dataset status to 'live: false' in the metadata, reflecting that the dataset is no longer live or actively available. This change was implemented via a single, well-documented commit to ensure traceability and prevent downstream usage of deprecated data.

March 2025 Monthly Summary for ecmwf-projects/cads-messages. Delivered a targeted user-facing warning for ERA5 experimental timeseries data within the cad-messages module, supported by two commits that refine the messaging and data-entry date handling. The changes improve user awareness of experimental status, potential instability, lack of operational support, and that data formats may change, while aligning with evolving ERA5 data policies. No production incidents tied to this feature were observed.

February 2025 monthly summary for ecmwf-projects/cads-messages: delivered enhancements to daily statistics warnings and addressed potential undersampling through date correction, improving data reliability and observability.