Steps to reproduce
Rename group and then immediately resize the window. Header will reset its name to the previous one.
Expected result
Save new group header, not older one.
Rename group and then immediately resize the window. Header will reset its name to the previous one.
Save new group header, not older one.
After renaming a group label, it seems you need to press Enter
or click outside of the label name for the rename to register and save. Then you can resize.