Upgrade to Nextcloud 16
Critical changes were collected on GitHub. See the original ticket for links to the pull requests and tickets.
The following libraries are considered as deprecated from Nextcloud 16 on. If you use one of those in your app, make sure to ship your own version that is properly bundled with your app.
Clipboard-> now exported as
ClipboardJSto resolve naming conflicts in Chrome.
PHP 7.0 support removed. PHP 7.1 or higher required.
PostgreSQL 9.5+ required.
Autoloading: In the past it was also possible to autoload PHP classes in apps by specify a list of classes and filenames in appinfo/classpath.php. This should not be used anymore and also isn’t used by any app that is publicly available.