January 2025 monthly summary for intel-analytics/ipex-llm: Delivered the LLM quantization enhancement by adding a temporary woq_int4 type to support specific int4 GEMM operations. This involved updating quantization type mappings and conditional checks across modules, keeping existing types and models intact. Commit 9930351112e76aa4a8516169df83fb2a95359738. Impact: enables targeted performance and capability improvements for LLM workloads while maintaining backward compatibility; lays groundwork for broader int4 support and more efficient quantized inference. No major bugs fixed this month; focus was on feature delivery and clean integration. Technologies/skills demonstrated: quantization framework extension, cross-module coordination, codebase refactoring with minimal surface area, commit-driven development.