The Euclid launch on Saturday, July 1st, was a full and resounding success. Euclid is alive, kicking, and on its way to Lagrange point 2. Once there, in about month, Euclid will follow Earth's rotation around the Sun to survey billions of galaxies in the sky for at least six years.
Find here a recent press release by the University of Bonn.
Follow the full continuing Euclid mission here.