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Contao 4.0.0 is available

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Contao version 4.0.0 is available. 271 tickets and pull requests have been completed during the 12 months of development and the following testing period.

Overview of the changes

The new features in Contao 4.0 have been described in the previous announcements of the beta and RC versions. If you have not followed the development process, it is recommended that you read them.

Installation

At the moment, you can only install Contao 4 via Composer on the command line:

php composer.phar create-project contao/standard-edition <target> 4.0.0

Once the Composer installation has been completed, you have to open the Contao install tool, which is now under /app.php/contao/install (formerly /contao/install.php).

In the future, it will also be possible to install Contao in the browser using the Composer package manager or a separate install tool. If you want to add Contao to an existing Symfony application, check out the installation instructions of the core bundle.

No update from Contao 3 yet!

Right now it is not possible to update from Contao 3 to Contao 4, because the database update in the install tool is missing. You should therefore only use Contao 4 for new projects at the moment.

Developer information is available in the UPGRADE.md and DEPRECATED.md files, as far as they are present in the Contao bundles.

Also see: GitHub tickets | GitHub compare view | Contao changelog

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