Kirill worked on the urbit/vere repository, focusing on stabilizing the build pipeline by updating the Tracy dependency hash within the build.zig.zon file. Using Zig and leveraging skills in build systems and dependency management, Kirill ensured that the build process consistently referenced the correct and latest Tracy library. This change addressed issues with mismatched tracing binaries, resulting in reproducible builds and improved reliability in continuous integration environments. The work included code modifications, validation against the latest Tracy version in CI, and thorough documentation to enhance traceability. Kirill’s efforts contributed to more stable tracing and accelerated adoption of upstream updates.