If FastCraft does show up for 1.8.9 please test it a bit more before adding it to everything. I remove it from every modpack with astounding results. Take the latest Infinity Evolved. FC on 30fps. FC on OptiFine HD_C1 on 80fps. FC off OptiFine HD_C1 on 95 fps. Both off 90fps. All on the same config, all with the same exact view. I just reduced my graphics settings a touch with both off and got 120fps.