cg_context.set_allows_font_smoothing(false);
cg_context.set_should_smooth_fonts(false);
cg_context.set_allows_font_subpixel_quantization(false);
cg_context.set_should_subpixel_quantize_fonts(false);
cg_context.set_allows_font_subpixel_positioning(false);
cg_context.set_should_subpixel_position_fonts(false);
Change the value from true to false in font/src/darwin/mod.rs, then build Alacritty
The font is displaying much better on Mac OSX (at least for me)
If you have not tried Alacritty + Tmux + vim(Neovim), you should do it. Here is a good article to talk about this set ‘Alacritty integration with Tmux’