As Appian provides a Web-based environment for building composite applications, we rely on a default configurations of supported Web browsers for testing. Because it's possible that your organization may enable or disable certain configurations that would impair your ability to use Appian features or access the Appian application, we recommend the following:
Additional configuration considerations are described below.
The Appian Process Modeler is supported for Edge, Firefox Chrome, and Safari.
This web browser API is used by modern web applications (such as Google Maps) to enable XML-based requests and responses from a web server/application server. It sends and receives XML and plain text data that is used to update the current web page without the need to load a new web page on the client.
Web Browser Configuration