A: In v1.34, we fixed an issue to handle an inconsistency in the way PowerPoint inserts images into slides. As a consequence, there is now a discrepancy between v1.34 and older versions in terms of what IguanaTex considers the reference dimensions. Fortunately, this will only happen once per display, and it should hopefully not happen again when upgrading to later versions. We apologize for the inconvenience.
In v1.50, we fixed another issue to handle an inconsistency in the way IguanaTex dealt with displays on high-dpi screens, which resulted in wrong rescaling when editing displays on machines with various DPI settings. This will only happen once per display if your display was created on a machine with a DPI other than 96.