Hi James,
Thank you for using Syncfusion products.
We are able to reproduce the reported issue at our side and suspect this could be a defect.
So we request you to open a new direct-trac incident with a simple issue reproducing sample for further follow up on this issue.
Direct-Trac Link:
https://www.syncfusion.com/account/login?ReturnUrl=%2fsupport%2fdirecttrac%2fincidentsPlease, let us know if you require any further clarifications.
Regards,
Manojkumar.