-
Bug
-
Resolution: Fixed
-
P2: Important
-
6.8.0
-
None
-
91d93a739 (dev), 2c3ba45be (6.10)
The documentation of QTextFormat::FontSizeAdjustment says:

This does not explain what values it actually takes (int only), and how they are applied to the font size. It sounds a bit like it could be a float that gets multiplied with the base size.