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Contao Two Month Review July and August 2020

by Blair Winans – Community

In the past two months, we have been working hard to continue the success story of Contao.

This review was written just before lunch, so please forgive the following trip to the kitchen.

The ingredients for this review:

Please mix all ingredients well before we add a new version of Contao.

  • 1 x Contao 4.10
    Contao 4.10 was released on August 18, 2020 and comes with many new features. In addition to the News about the release, 12 new features have been introduced via video. The happy news about the new version was accompanied by the marketing team with a press release.

Many thanks to all involved for their tireless efforts. Enjoy the meal!

Past community events, Mumble calls and Contao TV

At the following community events and Mumble calls, we have discussed and exchanged experiences about Contao. Have a look, there is always something to discover and learn!

  • 2020-07-02 Contao Mumble-Call
  • 2020-07-16 Contao TV - Contao Show #2
  • 2020-07-23 Contao TV - Stage Time (Episode 1)
  • 2020-07-30 Contao Mumble-Call
  • 2020-08-20 Contao TV - Contao Show #3
  • 2020-08-20 Contao-Roundtable Dresden
  • 2020-08-27 Contao Mumble-Call
  • 2020-08-27 Contao-Roundtable Berlin

Upcoming Community Events, Mumble Calls and Contao TV

A list of future events can be found on the project website.

Your event is missing on this list? We will gladly mention your date in the next review.

Dates to book

  • The Contao conference in Leipzig was unfortunately cancelled.
  • Contao Agency Day in March 2021

Blog posts, YouTube channels and miscellaneous

  • Contao has a new short link service. Pages like can now be sent to your customers in any language and they are automatically redirected to the right page. If you find more links in the Contaoverse that you always need, just add them. Note that only links for official Contao sites are added to the list. Extensions and commercial products are not accepted. Another advantage: Links that are used e.g. in Contao Manager can now be managed centrally.
  • Christian from Contao Academy lists 33 good reasons why it is worth updating to Contao 4.9.
  • Yanick went live with Version 2.3.0 of the Composer Resolver Cloud on July 13, 2020. The main focus was put on autoscaling. The purpose of this is to adjust the number of workers according to the workload. This means that there are no longer 10 workers running all the time; if there is not much going on, the number is reduced to one worker, and as soon as it gets "up" again, additional workers and resources are added. This means that you might have to wait a little bit because there are no longer 10 workers running all the time, but maybe only one (or how many it needs). The big advantage is that we don't waste any money at night and theoretically we can have more than 10 workers running at the same time when they are needed. This way, peaks can be intercepted (e.g. for security updates) - in the best case without generating much higher costs.
    At the moment, however, a maximum of 10 workers are still running at the same time. Yanick wants to monitor costs first and only then increase the maximum number of workers working simultaneously. We also have some other things we can work on.
  • After the unexpected death of Thomas, Stefan, former assessor of the Contao Association and organizer of the Contao conference, has taken over the in agreement with the Kampmeier family. Support and further development of the themes are thus secured.
  • Christian shows you in the video the drag and drop function that has been part of the core since Contao 4.6.
  • Martin has made sure that the Extensions & Themes from RockSolid Themes are compatible with Contao 4.10.
  • Christian presents some useful extensions for Contao in his videos:
  • Ingolf asks all developers who use the [menatwork/contao-multicolumnwizard-bundle] to set the dependency in the composer.json to the new bundle "menatwork/contao-multicolumnwizard-bundle": "^3.4", otherwise the installation of a new package may be blocked by the old version of [menatwork/contao-multicolumnwizard].

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Contao news


  • Yanick has released version 4.1.0 of the extension mp_forms and added support for URL fragments. This allows you to implement e.g. automatic scrolling to the form when switching between steps.
  • Richard released a new version of the contao-backup-manager, an extension for the BackupManagerBundle from Symfony. Now the files are encrypted before they are stored (e.g. on external storage). Old backups are now automatically deleted (e.g. older than 14 days).
  • MetaModels: For MetaModels 2.2 (for Contao 4.9), all packages have now undergone a first run for MM 2.2. This included "basic changes" such as security relevant adjustments, PHP version etc. as well as all SQL queries with a table prefix to avoid the "reserved words" of MySQL. On this basis, further features from the Tickets are now available.
    • A lot has happened in frontend editing (FEE) in the last two months: The file upload is now implemented in the FEE and comes with a wide range of settings, such as a drop zone, dynamic file paths (for example for {2024 for the year), thumbnails of the uploaded image files and the possibility to remove files from the record or delete them immediately.
    • The frontend mask for data entry can now be linked to the Notification Center. This makes it possible, for example, to automatically send a notification when creating, modifying or deleting files - more about this in the manual.
    • For the attribute 'table text' an extension for the MultiColumnWizard was written, which exchanges the Mootools JavaScript for a "Vanilla JS" and makes the attribute fit for the FEE. The JavaScript is responsible for duplicating/deleting the lines and drag-and-drop. The table text is ideal for input fields with multiple columns and variable number of lines.
    • Richard and Sven studied the new caching and made MM fit for it. If a page is cached with MM output, the cache receives an info about the change when a data record is changed and the page is updated in the cache (simplified description)
    • You can find more information in the monthly MM-News.

Contao documentation

The Contao documentation continues to grow thanks to the help from the community:

The following contributions are new:

If you are still missing something, we would be happy about your contribution to the documentation - of course we would also appreciate minor spelling corrections and rewording.

Paid extensions or products

You have written a paid extension for Contao or a product that is related to Contao and want to include it here? Your contribution is welcome if you meet the following requirements:

Newly released Contao versions

So, I hope this whet your appetite for our various new Contao appetizers.

Download deadline for the next review is October 27, 2020.

Best regards


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