I set up a simple provisioning package for a multi-app kiosk in Windows 10 Pro 1803. The package installs without any visible errors, but when I login with the specified user none of my changes took.
Here is the XML I used:
<?xml version="1.0" encoding="utf-8" ?>
<AssignedAccessConfiguration
xmlns="http://schemas.microsoft.com/AssignedAccess/2017/config"
xmlns:rs5="http://schemas.microsoft.com/AssignedAccess/201810/config"
>
<Profiles>
<Profile Id="{dd1bc1ea-43fa-4173-9422-ecb7e4e56eb3}">
<AllAppsList>
<AllowedApps/>
<App DesktopAppPath="%SystemDrive%\Users\Public\SEAGULL\J Walk Windows Client\4.1038.1.822\jw9c.exe" />
<App DesktopAppPath="%SystemDrive%\Program Files (x86)\Google\Chrome\Application\chrome.exe" rs5:AutoLaunch="true" />
<AllowedApps/>
</AllAppsList>
<StartLayout/>
<Taskbar ShowTaskbar="false"/>
</Profile>
</Profiles>
<Configs>
<Config>
<Account>domain\account</Account>
<DefaultProfile Id="{fb2bbe2e-07d1-494d-9431-0b86e7ea75fe}"/>
</Config>
</Configs>
</AssignedAccessConfiguration>