1 is not the default, and makes the fonts overly sharp, whereas 3 is the default, as per boohomil, and looks subjectively better. Reproducible: Always
Created attachment 418092 [details] Fixes the issue.
Changing this variable shouldn't make any difference with this ebuild version (actually I should drop this part altogether, it was for 9999 ebuild). What's the issue exactly? Can you attach content of /usr/share/eselect-lcdfilter/env.d/ultimate after emerging unpatched ebuild?