During February 2026, Colltrix focused on maintaining the vllm-project/llm-compressor repository by updating its test suite to reflect upstream API changes, specifically the removal of CompressedLinear. Using Python and testing frameworks, Colltrix systematically removed outdated imports and references, deleted obsolete test classes, and revised test_run_compressed.py to match the current codebase. This work reduced test noise and prevented false failures, directly improving CI reliability and code quality. By ensuring the tests accurately tracked upstream compressed-tensors changes, Colltrix helped minimize potential regressions. The depth of this maintenance work demonstrates careful attention to evolving dependencies and robust software engineering practices.