# ownCloud 8.2 Server Administration Manual

# What’s New for Admins in ownCloud 8.2

See the ownCloud 8.2 Features page on Github for a comprehensive list of new features and updates.

Some of the improvements of interest to ownCloud admins are:

- New ownCloud package repositories (admins must manually change to these, see How to Upgrade Your ownCloud Server)
- Configurable temporary directory
- Many new occ commands for logging, encryption, and apps
- Unavailable external storages are not rechecked every request; rather, their failed state is saved and they are tried again after 10 minutes
- External storages now support modular authentication mechanisms
- Transactional file locking prevents data corruption and race conditions on concurrent access
- Files app new sidebar shows details about files
- Admins can define custom mimetype mappings and aliases
- Mimetypes in the database can be updated when changed
- Downgrades are prevented because they are unsupported
- Admin page warning for EOL PHP version
- Show apps that will be updated on the DB update page

There are many security enhancements, including:

- $.get and $.post cannot be used to execute remote JavaScript
- Referers are not sent anymore to prevent leaking of potential sensitive information within the URL such as the filename
- Autoloader will only allow loading files from enabled apps
- Encrypt session data to ensure that sensitive data such as remote storage passwords or encryption keys are not written on disk
- If the shareAPI is disabled link shares no longer work