- Patricia Bouyer, Srikanth Srinivasan 0001, editors, 43rd IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science, FSTTCS 2023, December 18-20, 2023, IIIT Hyderabad, Telangana, India. Volume 284 of LIPIcs, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2023.