2025-11 monthly performance summary focusing on business value and technical achievements across ggml-org/ggml and ggml-org/llama.cpp. Delivered cross-repo Vulkan LOG operation support for F32 and F16, including new shader pipelines, updates to core functions, and corresponding tests and documentation. Key bugs fixed include correcting LOG operation type handling and fixing the log_f16 shader to ensure correctness across backends. Expanded test coverage and regenerated ops documentation to reflect the new capability. The work increases Vulkan-backed math reliability, enables production workloads with LOG accuracy, and reduces onboarding friction for developers adopting Vulkan paths. Technologies demonstrated include Vulkan API usage, shader pipeline development, cross-repo collaboration, testing automation, and documentation practices, yielding measurable business value through improved feature completeness and reduced integration risk.