March 2025 monthly summary for ollionorg/DataflowTemplates-fork focusing on DLQ path improvement. Implemented per-job DLQ organization to prevent overwrites and improve traceability, addressing a critical data integrity issue (DLQ path default).

January 2025 (Month: 2025-01) – Shopify/discovery-apache-beam. Key feature delivered: Spanner Change Stream IO Connector with Soft Deadline Handling, enabling graceful resumption when a deadline approaches and ensuring already processed data is committed rather than lost under a hard deadline. This was implemented via a new RestrictionInterrupter class and integrated into action handlers (commit 43b2bf7cb205f04d9fd776b662c3d86a3b25475f; [feat 32473] Added soft deadline logic to Spanner Change Stream IO connector. (#32474)). Major bugs fixed: none reported for this repository this month. Overall impact: improved reliability and data integrity of streaming workloads, reduced risk of data loss under deadline pressure, and clearer guarantees around commit of processed data. Technologies/skills demonstrated: Java design for resiliency (RestrictionInterrupter), integration of resilience patterns into IO connectors, streaming data processing, and maintainable code architecture.