> What Qt 5.9 does is setting the freetype property cff:no-stem-darkening to 0, > where it normally defaults to 1. You can try adding "cff:no-stem-darkening=1" > to FREETYPE_PROPERTIES, but I am no sure the environment variable will win.
cff:no-stem-darkening=1 makes no difference in Qt programs. > if that does nothing, you could debug the issue for me by instead adding > "cff:no- > stem-darkening=0" to FREETYPE_PROPERTIES and see if that makes non-Qt > application exhibit the same rendering issue. No. No changes. GTK programs render all fonts just right with this setting set to 0. In summary, I notice no changes setting this variable neither to 0 or 1. Neither in GTK or Qt programs.

