In Draw mode, it would be great to access the Label placement information. The user could select a begin point for the upper left corner and an end point for the lower right corner. The font size can be calculated to fit the words in this box. Therefore when the measurements change, the Label and font change too.
Currently, the user must manually adjust the label position, size, and rotation each time the pattern is generated with new measurements. The Labels should be created using formulas, just as the patterns are created. The reason the Labels don't work so well is because they aren't created at the same time as the pattern.
The current method affects running Valentina from the command line because the user must open the Valentina GUI to adjust the labels. It is very time-consuming and laborious. This method also affects the Layout. When the measurements are changed, and after the labels are adjusted manually, sometimes the labels in the layout don't change.
The whole point of Valentina is to create a pattern once using formulas, then it can be generated for multiple measurement sets. If each time the labels must be manually fiddled with, then it breaks the promised workflow.