July 2025 performance summary for ecmwf/anemoi-transform. Focused improvement on error handling in the Grouping Module to enhance reliability and developer experience. Corrected a typo in the error message so that a ValueError is raised with the proper parameter name when a required parameter is missing, preventing an AttributeError and improving diagnosability for downstream users. The patch reinforces the module’s error contract and contributes to more predictable data transformations in production.

May 2025 monthly summary for ecmwf/anemoi-registry: Focused on documentation improvements to improve onboarding and reduce setup friction. Key features delivered: Documentation Updates: dataset naming conventions reference added by replacing a TODO placeholder with a reference to the naming-conventions section; install instructions corrected to use single quotes around '.[dev]' in pip install to ensure proper dependency handling. Major bugs fixed: None; no code-level fixes this month. Overall impact: improved developer experience, faster onboarding, fewer installation issues, and better consistency with repository conventions. Technologies/skills: technical writing, documentation tooling, dependency management, and adherence to repository conventions.