Between the morning of 31 December 2018 and 1 January 2019, the New Horizons spacecraft has made 33 different observations of 2014 MU69 with the LORRI imaging camera. In the week after the flyby, only three of these have already been sent back to Earth.
NASA/Jet Propulsion Laboratory/Daniel Bamberger
NASA's Eyes on the Solar System, Eyes on MU69 plugin