When releasing a new version a CaliOpen, some public communications have to be done. Follows up a non-exhaustive list:
This is visible in release tab on github. It should list the functionalities that have been added, fixed or removed. It is a technical content, in english.
Post an article on https://www.caliopen.org/blog-fr/ in multiple languages. It defines what is the purpose of the release and informations understandable to regular people. It can content a link to github's release page.
Twitter is a special case due to its constraint and its instantanity. Publish a simple short description of the release with a link to the blog post in main available languages. The tweet can be reposted 2 or 3 times dependending on language and timezone.
Mailing list and social networks
For now it is a simple description of the release with a link to the blog post in main available languages. Presently it's not necessary to publish on Facebook, Linked In, viadeo, tumblr, VKontakte, renren ...