Subpixel hinting mode can be chosen by setting the right value in your environment, for example /etc/environment or ~/.pam_environment Available settings:

Subpixel hinting mode can be chosen by setting the right value in your environment, for example /etc/environment or ~/.pam_environment Available settings: FT2_SUBPIXEL_HINTING=0 # Classic mode (default in 2.6) FT2_SUBPIXEL_HINTING=1 # Infinality mode FT2_SUBPIXEL_HINTING=2 # Minimal mode (default in 2.7)