- COP '20: Proceedings of the 12th International Workshop on Context-Oriented Programming and Advanced Modularity, COP@ECOOP 2020, Virtual Event, 21 July 2020. ACM, 2020.
- Robert Hirschfeld, Tobias Pape, editors, 34th European Conference on Object-Oriented Programming, ECOOP 2020, November 15-17, 2020, Berlin, Germany (Virtual Conference). Volume 166 of LIPIcs, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2020.
- Wytse Oortwijn, editor, FTfJP 2020: Proceedings of the 22nd ACM SIGPLAN International Workshop on Formal Techniques for Java-Like Programs, Virtual Event, USA, July 23, 2020. ACM, 2020.