In January 2025, Guppy delivered cached volume support for the topolvm/topolvm repository, introducing a new volume type to enable caching-backed storage workflows. By refactoring thin-volume detection to rely on volume attributes rather than pool presence, Guppy improved the correctness of volume identification in cached scenarios. The implementation included new OpenTarget constants and comprehensive tests to validate cached logical volumes, ensuring regression safety and reliability. Working primarily in Go and leveraging skills in system programming, testing, and volume management, Guppy’s work addressed issue #1003 and established a foundation for faster, more reliable provisioning in environments requiring cached storage paths.