In April 2025, DeepEP focused on improving build stability for the deepseek-ai/DeepEP repository by addressing a critical issue in the NVSHMEM module. Using C programming and patching skills, DeepEP corrected the static assertion size for the nvshmemi_ibgda_device_qp_management_v1 structure, updating it from 104 to 112 bytes. This adjustment ensured that build-time checks accurately reflected the actual structure size, preventing potential build-time errors and CI failures. The work, delivered as a targeted patch, demonstrated careful attention to low-level details and contributed to the reliability of the build process, though it involved a single bug fix rather than new features.