Gennadiy Tuzov focused on stabilizing manifest management workflows in the canonical/checkbox repository, addressing a critical crash in ManifestBrowser’s interactive mode. He refactored the manifest saving logic to distinguish between interactive and non-interactive sessions, ensuring visible manifests are prioritized and reducing user-facing errors. Using JavaScript and Python, Gennadiy improved the structure and readability of unit tests, supporting safer deployments and faster bug detection. His work emphasized bug fixing, refactoring, and UI development, resulting in enhanced reliability for manifest workflows. Although the period involved no new features, the depth of his changes reduced regression risk and improved maintainability for future updates.