In [Responsive GUI](https://orange3.readthedocs.io/projects/orange-development/en/latest/tutorial-responsive-gui.html) section mention ConcurrentMixin. Think about how to bring in https://orange3.readthedocs.io/projects/orange-development/en/latest/concurrent.html. Either delete the section or integrate it into the docs.
In Responsive GUI section mention ConcurrentMixin.
Think about how to bring in https://orange3.readthedocs.io/projects/orange-development/en/latest/concurrent.html. Either delete the section or integrate it into the docs.