Worked on enhancing the Cranelift backend within the bytecodealliance/wasmtime repository, focusing on improving portability and build reliability for Rust-based backend development. Addressed the need for broader deployment by restoring no_std support, enabling the backend to operate in embedded and standard library-free environments. Streamlined dependency management by making hashbrown non-optional, which simplified the build process for std configurations. Additionally, resolved a missing configuration feature exposure to ensure that build features accurately reflect std and no_std capabilities. This work demonstrated a methodical approach to system programming, emphasizing maintainability and flexibility across diverse build environments without introducing new bugs.