Björn Lindeijer contributed to build stability and automation in two open source projects over a two-month period. In the aseprite/aseprite repository, he resolved a build system issue by correcting the zlib include path when used as a submodule, ensuring proper zconf.h generation and more reliable plugin builds. Later, in the slint-ui/slint repository, he established automated CI/CD pipelines using GitLab CI and YAML, integrating build, linting, and formatting checks for a Rust codebase. His work included refactoring metadata checks to idiomatic Rust, which improved code maintainability and reduced manual QA, resulting in faster, more reliable development cycles.