If you have the chance to play the classic 1.26 version, do not hesitate. It is the best way to experience Azeroth’s darkest hour.
If you want the game exactly as it was played in 2013–2016, without forced changes, 1.26 is your best bet. It’s not the newest, but it’s the most “pure” modern version of classic WC3. warcraft iii 1.26