Worked on stabilizing cross-platform builds in the schneems/rust repository by addressing a build failure in Xous synchronization primitives. Focused on embedded systems and systems programming using Rust, the work involved removing the rustc_const_stable attribute from Condvar::new and Mutex::new to resolve issues triggered by changes in no_threads functionality. This adjustment brought Xous in line with other platforms, reducing divergence and improving the reliability of continuous integration pipelines. The fix enhanced release readiness by ensuring consistent build behavior across environments. The contribution centered on bug resolution rather than feature development, reflecting a targeted approach to maintaining system stability and compatibility.