(message to: Soft.Pack.CAOS mailing-list) Dear Software Package CAOS users, We are happy to announce a new release of the Software Package CAOS, 7.0, which has to be used with the new release of the CAOS Problem-Solving Environment (version 7.0 as well, see previous mail). In addition to the fact that allmost all the existing modules were debugged and/or enhanced, this new version of the Software Package CAOS contains new modules for wide-filed AO systems end-to-end modelling, but also ideal wavefront sensing and state-space control. Please see the documentation for more details and the complete list of changes. You can download the Software Package CAOS from here: http://lagrange.oca.eu/caos/caos_sp7.0/ To install this new version of the Software Package CAOS just follow the instructions found on the web-page. We are going to present the Soft.Pack.CAOS v7.0 during the upcoming SPIE conference in Edinburgh (please visit our poster #9909-319 on June, 30th at 6:00-8:00 PM) Best regards, -Marcel Carbillet & Andrea La Camera.