During October 2024, Olivf worked on the nodejs/node repository, focusing on stabilizing debugging workflows and improving function-call performance by addressing a critical issue in On-Stack Replacement (OSR) loop interrupt handling. By applying an upstream V8 cherry-pick using C++ and JavaScript, Olivf ensured that loop interrupts are no longer skipped during OSR, which enhances debugging accuracy and aligns Node.js with V8’s latest behavior. This technical approach not only fixed a longstanding bug but also reduced future maintenance overhead by minimizing divergence from upstream. The work demonstrated depth in C++ development and Node.js internals, contributing to overall runtime stability.