What's new in version 2.16

ArcGIS Web AppBuilder (Developer Edition) 2.16 update includes improvements to several widgets.

Widgets

The Data Aggregation widget is out of beta and has added support for multiple target layers and the capability to customize the home screen message.
The list of materials for the Emergency Response Guide widget has been increased from 679 to 3,127.
Infographic has a new configuration option to set the display range for applicable chart templates to show all results by default.
The Parcel Drafter widget now supports international foot as a measurement unit. The widget configuration includes a new option to set the default line type and shows field alias names when selecting fields to store parcel attributes.
With the Public Notification widget, you can allow users to add and remove selected parcels on a specific addressee layer.
When querying a feature in the Share widget, attribute values are now sorted in ascending order and users can type in a search box to select from a reduced list of relevant values.
When configuring attribute actions for the Smart Editor widget, you can choose to populate a field based on MGRS coordinates.

The new getFilterExp method gets the filter expressions that have been applied to a layer from all widgets unless excluded.