%0 journal article %@ 1569-3953 %A Arndt, D.,Bangerth, W.,Blais, B.,Fehling, M.,Gassmöller, R.,Heister, T.,Heltai, L.,Kronbichler, M.,Köcher, U.,Maier, M.,Munch, P.,Pelteret, J.,Proell, S.,Simon, K.,Turcksin, B.,Wells, D.,Zhang, J. %D 2021 %J Journal of Numerical Mathematics %N 3 %P 171-186 %R doi:10.1515/jnma-2021-0081 %T The deal.II library, Version 9.3 %U https://doi.org/10.1515/jnma-2021-0081 3 %X This paper provides an overview of the new features of the finite element library deal.II, version 9.3.