Hi Scott,
Thanks for contacting Syncfusion Forums.
We have confirmed that the reported issue is an issue in Grid. We have logged a defect report for the same “Misalignement issue while hide / showing a column”.
Fix for the issue will be included in our next Bi-Weekly release which is expected to be rolled out on or before 12th February 2020.
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Please let us know if you have any concern.
Regards,
Padmavathy Kamalanathan