the following exceptions occur when upgrading to Xamarin.Forms v 4.0:
System.NotSupportedException: Unable to activate instance of type Telerik.XamarinForms.DataControlsRenderer.Android.ListView.TemplateCellContainer
System.NullReferenceException: Object reference not set to an instance of an object
A GridView control will be a great addition to the suite. It should offer: - Multiple columns - Sorting - Filtering - Grouping - Conditional Formatting - User interactions Available in the R3 2017 release. More information you can find here: http://docs.telerik.com/devtools/xamarin/controls/datagrid/getting-started/getting-started
Add support for doughnut charts Available in R3 2018 release. For more info on the donut series refer to: https://docs.telerik.com/devtools/xamarin/controls/chart/series/pie/donut-series
TreeView control similar to the UI for WPF suite. Available in R2 2018 release. More information can be found here: https://docs.telerik.com/devtools/xamarin/controls/treeview/treeview-overview
Customizable busy indicators that allow the end-user to understand that an operation is taking place at the moment will be a great addition to the suite. More information on the BusyIndicator control you can find here: http://docs.telerik.com/devtools/xamarin/controls/busyindicator/busyindicator-overview
When there are only two items in the ItemsSource and users reorder them, the underlying collection is not reordered Edit: Avalable in R3 2017 SP release.
If the source data has only zero values initially, when the values are changed, the chart does not update its axis range. Available in minor release 2017.3.927. It will also be available in the R3 2017 SP release.
This can be reproduced using an image with binding for its source.
When the SelectionMode of the RadCalendar is Range and you have set a MaxDate - you should not be able to select dates after the MaxDate. However, swipe-selecting cells which are disabled is working. Available in the R3 2018 SP release.
Make GroupDescriptors, SortDescriptors and FilterDescriptors collections bindable for easier usage directly in the viewmodel. Currently, they are plain collections that needs to passed manually to the viewmodel.