During March 2025, S. Presso focused on improving installer reliability for the Syncovery macOS ARM package in the lizongying/homebrew-cask repository. By updating the SHA256 checksum for version 10.16.15, S. Presso ensured that users download and verify the correct installer, addressing a critical integrity issue. This work involved careful validation of cryptographic checksums and an understanding of macOS packaging within the Homebrew Cask ecosystem. Leveraging skills in Ruby, package management, and software distribution, S. Presso’s contribution enhanced security and reduced installation risks. The work demonstrated attention to release engineering details, though it was limited to a single targeted bug fix.