public static class FontExtension
{
    // Call it when the type of the string assigned to the global Text component is minimal.
    // XXX : If font is in AssetBundle, it may not work correctly.
    public static void RefreshDynamicTexture(this Font font)
    {
        if (font == null || font.dynamic == false)
            return;
        
        Resources.UnloadAsset(font);
    }
}