The latest version of Minecraft Forge is 1.16.5. The latest recommended version of Minecraft Forge is 1.15.2; Minecraft Forge (Modding API) is heavily installed at versions 1.15.2,1.12.2. Some mods require a specific version of Minecraft Forge. New version of Minecraft Forge 1.16.5 has less testing, and many mods do not support it.