January 2026: Implemented automated retrieval of the oldest available GKE cluster version from the RAPID channel to improve compatibility with legacy InfraBox deployments. This change reduces manual version checks and supports safer upgrade paths for customers with older clusters, aligning InfraBox with the roadmap to maintain legacy compatibility.

December 2025 monthly summary for SAP/InfraBox focusing on Docker Compose deployment upgrade and deployment reliability.

Month: 2025-11 — SAP/InfraBox focused on stability and security through targeted dependency upgrades. Key change: updated Eventlet from 0.31.0 to 0.29.1 and PyCryptodome from 3.6.6 to 3.19.0 in requirements.txt to improve compatibility and security; this change may influence runtime behavior and performance modestly. The work is captured in commit 2736a3d8f69514877def2a93b663483f18d174f0 (update eventlet version). No major bugs fixed this month; instead, the focus was on proactive hardening and compatibility improvements. Validation and monitoring plan has been established to track performance and runtime stability post-upgrade. Overall impact: enhanced security posture, better compatibility with the current ecosystem, and improved maintainability for InfraBox."

October 2025 (SAP/InfraBox) delivered stability and concurrency improvements by removing Eventlet dependency to fix CI issues and upgrading Eventlet to enhance concurrency. Key work included cleanup of test/CI surfaces and integration of Eventlet 0.33.3 into tests and server code. These changes reduced CI failures, improved library compatibility, and laid groundwork for scalable runtime performance.

September 2025 (SAP/InfraBox) focused on enabling IPv4/IPv6 dual-stack networking in GKE service configuration and strengthening build tooling. Delivered GKE dual-stack support with refined cluster creation behavior and network policy handling, backed by tests. Updated build tooling to improve reliability by moving to a newer Debian base image and installing Python wheel build dependencies. These changes reduced deployment issues in IPv6-enabled environments and improved build stability and reproducibility. Technologies involved include GKE, Kubernetes networking, Docker, Debian-based images, and Python wheels.