During July 2025, this developer focused on improving the installation process for the simplex-chat/simplex-chat repository by addressing a critical compatibility issue with Ubuntu 22.04. Using shell scripting and Linux platform detection, they updated the installer script to correctly identify and support the newer Ubuntu release, replacing outdated platform identifiers to prevent installation failures. Their work involved careful cross-version compatibility testing and Git-based change management to ensure a smooth rollout. While no new features were added, the fix enhanced onboarding for Linux users and reduced support overhead, demonstrating a practical application of shell scripting and release engineering skills.