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Dear Tangoers,

I am pleased to announce new Waltz release - v0.7.3

This version features (including v0.7.[0-2]):

  • New Dashboard with multiple profiles stored per user basis
  • TableWidget
  • PlotlyWidget
  • ListWidget
  • ManagerWidget 
  • Redesigned Tango device control panel
  • Redesigned Info panels
  • Bug fixes and optimizations e.g. using WebGL for plots

Full info about the release can be found here: GitHub release - v0.7.3

Waltz has been dockerized. It is now super easy to give it a try:

$> wget
$> docker-compose up
$> firefox http://localhost:8080/waltz

Open your browser and navigate to http://localhost:8080/waltz

Or try a live demo in Amazon cloud: link

Use tango-cs/tango to authorize

Please feel free to create issues including your wishes and ideas on GitHub




P.S. the project has been moved to a dedicated GitHub org: new link

Hi Tangoers,

Following the Tango Community Meeting in Hamburg, we have started work on Tongo Controls protocol formal specification (RFCs). The RFCs will be base for future development.

The current state is visible on the GitHub:

We are looking for contributors. You may contribute by:

  • writing parts of the specification
  •  reviewing and commenting on what is written (PR reviews)

If you would like to contribute, please:

We need you!

The new Sardana 2.8.0 (corresponding to the Jul19 milestone) has been released.

The source files and Windows installers can be downloaded from:

The documentation is available at:

For a detailed list of changes see CHANGELOG and issue tracker.


The cumbia-telegram bot is a small server employing the Telegram bot API to establish a communication between an authorized user  and a control system managed by the cumbia libraries. It can be used to:

  • get notifications about the control system status
  • read any source supported by the control system engines
  • employ formulas to get custom notifications:  alert  sr/diagnostics/dcct_s4 < 10

Special care has been taken in realizing a safe application that protects the control system from both overloading and unauthorized access. The interaction with the messaging application is made effortless by the history, bookmark and alias modules. They promote tapping rather than writing. Read more on the cumbia-telegram dedicated page.


cumbia formula plugin & la-cumparsita app: manipulate results through functions & give life to an application without writing code

cumbia-formula plugin: mixing the Qt javascript integration and the cumbia formula plugin, read results from Tango and Epics can be manipulated by functions. The results can be displayed into any cumbia-qtcontrols widget. Check out cumbia-libs and refer to the formula plugin section for details.

la-cumparsita: a new cumbia utility that inflates a qt designer ui file into a real application without writing code. Nonetheless, the most demanding users can inject javascript functions into the graphical components to process and combine values from the devices. la-cumparsita seamlessly integrates with real Qt/C++ applications sharing the same cumbia  model.

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34th Tango Collaboration meeting, 2020

Next 34th Tango Collaboration meeting will be held in Saint-Petersburg, Russia starting from June, 9th till June, 11th 2020.

As always we expect around 60 people from multiple sites across the Globe who ain't indifferent to Tango Controls and who will share their expertise in the fields:

  • latest developments in the kernel;
  • developments in Tango EcoSystem;
  • Tango related web applications;
  • industrial use of Tango;
  • etc

Stay tuned as more information will be available soon...

Read more

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Mailing list

The Tango mailing list was the only communication channel before the forum was set up (in 2015). The mailing list is still maintained for announcements and questions which are not related to one of the forums.

If you want to be informed about Tango or post any information about Tango, please, sign up and tick the button "subscribe to the mailing list"

The Messages sent to can be browsed and searched here.