March 2026 monthly summary for the mariadb-columnstore-engine: Delivered SQLDROP COLUMN IF EXISTS support with robust handling, aligning behavior with MariaDB server semantics and improving schema-change reliability in ColumnStore. Refined the DDL parser to gracefully handle non-existent columns and updated tests to cover both present and missing-column scenarios. Removed redundant error checks in ha_mcs_ddl.cpp, simplifying error paths and increasing maintainability. Overall, the change reduces operator friction during DDL, improves robustness, and enhances test coverage without impacting runtime performance.

January 2026 monthly summary for fmtlib/fmt: No new user-facing features were delivered this month; the focus was on reliability and correctness improvements in the formatting library. Major work centered on fixing dynamic named argument validation in compiled format strings, improving safety, error reporting, and developer confidence in usage.