In Qlik Sense April 2018, new capabilities were added to the app development experience, which enable assistance when dragging dimensions and measures into an application.
See the official Online Help chapter
When a user drags a dimension or measure into a chart, Qlik Sene will make a judgment based on the type of dimension or measure about the appropriate visualization for this type of data:
While this is intended to be of assistance to app developers, some administrators may wish to turn this functionality off. Environment:
Qlik Sense April 2018
Qlik Sense June 2018
Qlik Sense September 2018
This capability cannot be switched off by default. Please contact your local Qlik support office for details on whether or not your version of Sense allows for this functionality to be disabled. Reference article ID 000050489 for details.