When setting heightAdjustMode="Fill", the tab size is set correctly on the initial load of the component. However, when the window is resized, the parent component resizes correctly but the height of the tab does not change. Bellow the red border is the parent div border.
RMRuksar Moosa Sait Syncfusion Team December 6, 2022 05:12 PM UTC
We have logged the reported problem “Tab height does not
change with parent size when heightAdjustMode=’Fill’” as a bug and the fix
for this defect will be included in the Volume 4 release. You can track the
status of the fix at the following link: