May 2025 monthly summary focused on delivering cross-dialect vector support and enhancing data modeling capabilities for analytics work. Highlights include adding PostgreSQL vector indexing (ScaNN) support and expanding SpannerSchema to recognize PostgreSQL vector embeddings and array types. These workstreams improve data platform versatility, enable advanced ML/AI workloads, and ensure consistent SQL generation across PostgreSQL and Spanner dialects.

February 2025 monthly summary focusing on extending PostgreSQL dataflow capabilities with VIRTUAL columns and accompanying test coverage. Implemented a feature in the DataflowTemplates-fork repo to support VIRTUAL columns for PostgreSQL dataflow and updated the validation tests to ensure correct schema generation and DDL parsing.

Month: 2024-11 — Ollion Dataflow Templates fork delivered a feature enhancement to Spanner Schema Conversion by enabling the HIDDEN column property for all data types, with corresponding updates to Avro↔DDL converters and tests. No major bug fixes were reported for this period. Overall impact includes stronger data governance, reduced schema drift, and more reliable automated validation for hidden columns across all types.