Max Nowack focused on improving build reliability for the getsentry/sentry-capacitor repository by addressing issues related to module format consistency. He enforced a strictly CommonJS approach in the build system, ensuring that only CommonJS modules were included and eliminating ESM leakage. This technical solution, implemented using JavaScript modules and build system expertise, enhanced cross-environment compatibility and reduced build failures in environments dependent on CommonJS tooling. By resolving a critical bug, Max delivered a more stable packaging process, improved CI reliability, and lowered integration risk. His work demonstrated a deep understanding of build systems and module interoperability within JavaScript ecosystems.