Hi, In order to have an "authoritative" answer to this question I will be asked soon : can old CAS clients (like PhpCAS) used with an old version (unmaintened but still used webapps created when our CAS 3.5 appeared) work with the latest versions ? Is everything backward compatible as long as the setup is similar, and the same protocol versions are used ? After reading posts like this one : https://fawnoos.com/2017/06/23/cas-protocol-compatibility/ it seems some adjustments are needed here and there. So far, all our stuff is working fine with a CAS 3.5 instance, and I plan to deploy a 6.4 to replace it. Regards
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