From today you will be able to play the all new looking Summoner’s Rift map by playing the team builder. It’s still in beta but initial impressions are good. It’s been an update to bring the visual style of the map up to the modern visuals of many of the new champs. You could see inclings of the new changes with Azir’s passive turret building, astute gamers will notice the similarities between the hp bar and that of the new turrets.
Riot have also released two new summoner icons which you get by winning a match on each side of the game. One for blue side, and one for red side.
All the neutral minions and each team’s minions have great upgrades to their looks, and personally I really like the new summoning animation at the start of a game. It makes it feel more like you are dropping into an arena of battle.