(message to: Soft.Pack.AIRY mailing-list, Soft.Pack.CAOS mailing-list) Dear CAOS Problem-Solving Environment users, We are happy to announce a new release of the CAOS Problem-Solving Environment (PSE), 7.1. Please see the documentation for more details and the complete list of changes. You can download the CAOS PSE 7.1 from https://www-n.oca.eu/caos/caos_pse7.1/ (Alternatively, you can also go to http://lagrange.oca.eu/caos and then click on the CAOS PSE last version download link.) To install this new version of the CAOS PSE, just follow the instructions found on the web-page (file CAOS-PSE_installation.txt). Best regards, Marcel Carbillet & Andrea La Camera.