The installation instructions are located in the documentation here: Installation

The upgrade instructions are located in the documentation here: Upgrade

• app/Resources/public/assets moved to public/assets
• main/inc/lib/javascript moved to public/js
• main/img/ moved to public/img
• Installation url changed from main/install/index.php to public/install.php
• main/template/default moved to src/Chamilo/CoreBundle/Resources/views
• Template twig file names are changed from *.tpl to *.html.twig to follow Symfony2 format
• bin/doctrine.php removed use bin/console doctrine:xyz options
• php files are now loaded using the public/index.php file
• In 1.x: main/admin/user_list.php
• In 2.x (dev mode) public/index.php/main/admin/user_list.php
• In 2.x: (prod mode) htaccess redirects main calls to /index.php/ main/admin/user_list.php
• Language list is now loaded using the iso code not the english name. Example: "es" instead of "spanish"
• PHPMailer replaced with Swift Mailer
• Plugin images, css and js libs are loaded inside the public/plugins folder (composer update copies the content inside plugin_name/public inside web/plugins/plugin_name
• Plugins templates use asset() function instead of using "_p.web_plugin"

• Template system to work with current Symfony2 structure
• Auth (CAS, Shibboleth, Oath2)
• URL course changes "cidReq" to "c", "session_id" to "s"
• Fix plugins that use api_get_setting directly in the code
• Fix plugins render using tpl or PHP files
• CAPTCHA

If you want to submit new features or patches to Chamilo, please follow the Github contribution guide https://guides.github.com/activities/contributing-to-open-source/ and our CONTRIBUTING.md file. In short, we ask you to send us Pull Requests based on a branch that you create with this purpose into your repository forked from the original Chamilo repository.

For more information on Chamilo, visit https://1.11.chamilo.org/documentation/index.html