== First Call for New Problems 11th Confluence Competition (CoCo 2022) http://project-coco.uibk.ac.at/2022/ CoCo 2022 will run live during IWC 2022, the 11th International Workshop on Confluence, which is held as part of FLoC. CoCo 2022 will run a new category on context-sensitive confluence. Further details of CoCo 2022 can be found at http://project-coco.uibk.ac.at/2022/ We solicit new confluence problems. Problems submitted by June 17, 2022 will be considered for CoCo 2022. Problems can be submitted using the online COPS interface https://cops.uibk.ac.at/ or by contacting the CoCo Steering Committee (coco-sc@informatik.uibk.ac.at) * Raúl Gutiérrez Universidad Politécnica de Madrid * Aart Middeldorp University of Innsbruck (chair) * Naoki Nishida Nagoya University * Kiraku Shintani JAIST