Over a two-month period, this developer contributed to both JuliaPackaging/Yggdrasil and mastodon/mastodon, focusing on build system configuration and language accessibility. They created a CMake-based build recipe for the Libharu library in Yggdrasil, specifying platform support, installation layout, toolchain, and C standard to enable reproducible, cross-platform builds. Dependency management was addressed by declaring Zlib_jll and libpng_jll, ensuring binary compatibility for downstream packaging. In mastodon/mastodon, they added Taiwanese Hokkien (nan-TW) as an interface language, enhancing accessibility for Taiwanese users. Their work utilized Bash, Ruby, and CMake, demonstrating depth in backend development and cross-platform compilation.