Guix-HPC is a collaborative effort to bring reproducible software deployment to scientific workflows and high-performance computing (HPC). Guix-HPC builds upon the GNU Guix software deployment tool and aims to make it a better tool for HPC practitioners and scientists concerned with reproducible research.This report highlights key achievements of Guix-HPC between our previous report a year ago and today, February 2020. This year was marked by a major milestone: the release in May 2019 of GNU Guix 1.0, seven years and more than 40,000 commits after its inception