Worked on enhancing WebAssembly.Exception API support in the nodejs/node repository, focusing on improving debugging and API usability for Node.js developers. The contribution involved adding a stack getter and updating constructor parameters in line with WebIDL specifications, using both C++ and JavaScript to ensure seamless integration. Upstream alignment was achieved by cherry-picking relevant changes from V8, keeping exception handling consistent with the latest WebAssembly specification. The work underwent thorough code review and collaboration with multiple maintainers, resulting in robust, maintainable code. These enhancements improved diagnostics and developer experience for WebAssembly workloads, reducing future maintenance costs and supporting new WASM features.