Timeline: Jupyter at NERSC. Boxes above the timeline (yellow background) highlight milestones in the evolution of the deployment of Jupyter at NERSC. Boxes below the timeline (green) mark milestones in the development of the broader Jupyter ecosystem. Orange circles on the timeline pinpoint JupyterCon events. NERSC system deployments appear as arrows above the timeline. [MISSING: Services, Slurm labextension, and our workshop...]