Hi Jacques,
Thank you for the update
We will fix the reported issue “Header/Footer not showing in SfListView” and include the issue fix in our upcoming Weekly nuget release which is planned to roll out on December 29, 2020. We appreciate your patience until then.
Also, we have generated the custom assemblies newly from a private build and you can download it from the below,
The assemblies should be replaced with the existing assemblies in the following location.
{Syncfusion Installed location}\Essential Studio\18.3.0.47\Xamarin\lib\pcl\Syncfusion.SfListView.XForms.dll
{Syncfusion Installed location}\Essential Studio\18.3.0.47\Xamarin\lib\android\Syncfusion.SfListView.XForms.dll
{Syncfusion Installed location}\Essential Studio\18.3.0.47\Xamarin\lib\android\Syncfusion.SfListView.XForms.Android.dll
{Syncfusion Installed location}\Essential Studio\18.3.0.47\Xamarin\lib\iOS\Syncfusion.SfListView.XForms.dll
{Syncfusion Installed location}\Essential Studio\18.3.0.47\Xamarin\lib\iOS\Syncfusion.SfListView.XForms.iOS.dll
{Syncfusion Installed location}\Essential Studio\18.3.0.47\Xamarin\lib\uwp\Syncfusion.SfListView.XForms.dll
{Syncfusion Installed location}\Essential Studio\18.3.0.47\Xamarin\lib\uwp\Syncfusion.SfListView.XForms.UWP.dll a
Disclaimer: Please note that we have created these assemblies for the version 18.3.0.47 specifically to resolve the query requested in this incident. Could you please check with the above assemblies which resolves the reported issue?
Lakshmi Natarajan