Hi Duncan,
Thanks for contacting Syncfusion support.
We are unable to reproduce the issue at our end. Could you please share following details?
1) Grid code examples
2) Provide screenshot of Network tab in Developer’s tools.
3) Scenario for replication procedure.
4) Share issue or replication procedure video.
It would be helpful for us to find the issue and provide the appropriate solution as earliest.
Regards,
Venkatesh Ayothiraman.