During April 2026, Tomov focused on hardening the Vulkan backend for the ggml-org/llama.cpp repository, addressing stability and debugging challenges under Linux. He improved error handling by ensuring that fork failures in the Vulkan build path now output descriptive errno strings, making error visibility clearer for developers. By enhancing debugging outputs and log clarity, Tomov reduced triage time and helped stabilize continuous integration builds. His work, primarily in C++ and leveraging strong debugging and error handling skills, targeted a critical bug rather than new features, demonstrating depth in diagnosing and resolving complex build issues within a specialized technical environment.