Worked on updating the Sapling formula in the chenrui333/homebrew-core repository, focusing on delivering the latest release to Homebrew users. The process involved implementing a version bump and updating the SHA256 checksum to ensure the formula referenced the most recent and secure Sapling version. Used Ruby and package management skills to pin and validate the new checksum, verifying build integrity and compatibility for reliable installations. This update provided users with improved performance and security by ensuring the latest release was available with verified integrity. The work demonstrated attention to detail in packaging, formula maintenance, and open-source contribution practices.