Fermin Zhang contributed to the TencentKona-8 repository by focusing on release management and test infrastructure improvements. He delivered a patch-level version bump to 8.0.20, reinforcing deployment reliability and traceability without introducing functional changes. In subsequent work, Fermin enhanced the hotspot_tier1 test suite by integrating elastic max heap and ahead-of-time tests, expanding architecture support to amd64 and aarch64, and improving environment compatibility for Linux x86_64. Using Java, Makefile, and Shell, he addressed cross-platform validation and reduced environment-related test failures. His work demonstrated depth in build systems and Java Virtual Machine testing, emphasizing maintainability and robust cross-environment support.