User Interface Location:

You can now add custom notes to stackups to provide additional information that is relevant to the stackup definition shown in the stackup report.

Custom notes can be added to the notes tab at the bottom of the stackup view, or by right-clicking the notes column of the desired stackup in the stackup summary view.

With this enhancement, notes can be added to stackups, making it easier to provide necessary stackup information for stackup reports.