This API is reliable and breaking changes are unlikely.
The Theme API is the external interface to Qlik Sense themes. It allows customization of visualizations, including extensions and widgets, outside of Qlik Sense.
Each method and property contain information around when it was introduced, updated, deprecated or removed. A list of all relevant API changes per version release can be found in API version history.
|Introduced||Qlik Sense February 2018|