Monthly summary for 2025-01 focusing on the PingCAP TiDB Operator work stream. Key features delivered: - Safe Rolling Update: Defer Scale-In Until Rolling Update Completes. Introduces a gating mechanism to defer scale-in until after a rolling update completes, enhancing stability and reliability of the TiDB Operator upgrade process. Commit 690c83eccad0cdc23db5f40d6f0fb2c1f828cca8 with message: feat(updater): defer scale in after rolling update is done (#6052). Major bugs fixed: - No major bugs fixed documented for this month’s scope. Overall impact and accomplishments: - Improved upgrade safety for TiDB Operator by ensuring scale-in does not interrupt an ongoing rolling update, reducing the risk of partial upgrades and outages during cluster updates. - Strengthened operational reliability of the upgrade path, contributing to smoother rollouts in production environments. - Demonstrated end-to-end capability in feature delivery and governance of upgrade workflows. Technologies/skills demonstrated: - Updater logic and rolling update orchestration - Feature flag gating and safe-operations patterns in Kubernetes operators - Code changes anchored to a clear commit and issue reference, supporting traceability and auditability Business value: - Higher upgrade confidence for customers using TiDB Operator, with fewer upgrade-induced outages and faster recovery from failed upgrades.