Also tested that FT addon can be used with the 1.0 version of the avatar
You have to open the "Fia Facetracking" scene and use the Fia_FT_Patcher tool from the top toolbar (Tools->Threevee->!FIA_Done->!FIA_Done_Patcher) for the FT version to appear otherwise it shows as a broken/missing prefab in the hierarchy