  The Vera C. Rubin Legacy Survey of Space and Time holds the potential to
revolutionize time domain astrophysics, reaching completely unexplored areas of
the Universe and mapping variability time scales from minutes to a decade. To
prepare to maximize the potential of the Rubin LSST data for the exploration of
the transient and variable Universe, one of the four pillars of Rubin LSST
science, the Transient and Variable Stars Science Collaboration, one of the
eight Rubin LSST Science Collaborations, has identified research areas of
interest and requirements, and paths to enable them. While our roadmap is
ever-evolving, this document represents a snapshot of our plans and preparatory
work in the final years and months leading up to the survey's first light.
