Hi Daniel,
Thanks for contacting Syncfusion support.
We can reproduce the mentioned issue in the attached JSPlayGround Sample. So, we have confirmed that the issue “Column gets truncated when we enable allowResizeToFit” is a defect and logged a defect report. The fix for this issue is included in our upcoming release 2018 Volume 3 which is expected to be rolled out in the month of September2018.
Regards,
Prasanna Kumar N.S.V