During January 2025, Harsh Chandel contributed to the espressif/llvm-project repository by aligning the RISC-V backend with the v0.5 specification. He updated the instruction set by renaming the muladdi instruction to muliadd, clarifying its immediate multiplication semantics. This required coordinated changes across C++ source files, LLVM IR definitions, and RST documentation, ensuring consistency throughout the codebase and related test suites. Harsh also incremented the Xqciac extension version from 0.2 to 0.3, updating all relevant documentation and tests. His work demonstrated depth in compiler development, embedded systems, and assembly language, focusing on maintainability and specification compliance.