Worked on the raexera/nixpkgs repository to deliver an updated Vivaldi Browser package, advancing it to version 7.0.3495.6. This involved updating both the version number and download hashes for aarch64-linux and x86_64-linux architectures, ensuring users received the latest stable release with verified integrity. The work demonstrated careful package management and system administration practices, emphasizing reproducible builds and cross-architecture support. Using the Nix language, the developer maintained clear change traceability and packaging notes, enabling reliable delivery of browser updates. No major bugs were addressed during this period, with the focus remaining on end-to-end packaging improvements and process discipline.