Abstract - The last collisions at HERA were delivered sixteen years ago, but recent advancements in phenomenology and data science have warranted revisiting the well-preserved HERA data. Since the shutdown of HERA, jet physics has undergone a renaissance, driven in large part by the need for extreme theoretical and experimental precision at the LHC. Colliders with leptons in the initial state provide ideal playgrounds for studying the new tools and techniques of jet physics in a clean environment. In this talk, I will discuss a novel measurement of groomed event shapes, along with some recent highlights from H1."