Date Patch New Champion Other
October 29
2015
(Notes)
V5.21 Harrowing 2015 with Slayer and Zombie Skins. New lore for Shadow Isles champions. Various balance changes and bugfixes.
October 14
2015
(Notes)
V5.20 BrandSquare Spirit Fire Brand [S|L], KassadinSquare Cosmic Reaver Kassadin [S|L], ViSquare Demon Vi [S|L] and a 5 skin splash art remade. Jungle patience bar slightly changed. One for All game mode. Various balance changes.
September 30
2015
(Notes)
V5.19 Marauder and Warden Skins. Jungle patience bar added. Some runes' prices down. Sated Devourer item Sated Devourer nerf on ranged champion. Various balance changes.
September 16
2015
(Notes)
V5.18 KalistaSquare Championship Kalista [S|L] Skin. Jungle and LCS Teams Icons. MordekaiserSquare Mordekaiser solo lane is back. Devourer item Devourer's stacks damage reduced. Various balance changes.
September 2
2015
(Notes)
V5.17 PROJECT Skins. SkarnerSquare Skarner small nerf. Various balance changes.
August 20
2015
(Notes)
V5.16 Arcade and Academy Skins. 4 Fighters Gameplay update into the sub-category of Juggernaut. Armor and Magic Resist rebalance. Sterak's Gage item Sterak's Gage and Titanic Hydra item Titanic Hydra added. Various balance changes.
August 5
2015
(Notes)
V5.15 GangplankSquare Gangplank returned from death. FioraSquare Fiora Visual & Gameplay Update. HUD update. Various balance changes.
July 22
2015
(Notes)
V5.14 Pirate skins. GravesSquare Graves, Twisted FateSquare Twisted Fate, and GangplankSquare Gangplank icons. Murder Bridge added (ARAM), along with Black Market Brawlers & Items. GangplankSquare Gangplank and Miss FortuneSquare Miss Fortune Gameplay & Visual Update.Zeke's Harbinger item Zeke's Harbinger added. Various balance changes.
July 8
2015
(Notes)
V5.13 GnarSquare Gentleman Gnar [S|L] & Chroma Packs. Various VFX update for champions. Sated Devourer item Sated Devourer added. AP itemization overhaul. Various balance changes.
June 24
2015
(Notes)
V5.12 Pool Party Skins & Chroma Packs. Defense Mastery Tree Update. Magus item Runeglaive added. Various balance changes.
June 10
2015
(Notes)
V5.11 Jurassic Skins. Visual & Gameplay Updates of Twisted Treeline. JayceSquare Jayce Gameplay Update. Various balance changes.
May 28
2015
(Notes)
V5.10 KarmaSquare Karma Gameplay Update. Utility Mastery Tree update. Various balance changes.
May 14
2015
(Notes)
V5.9 Playing Cards, Samsung White and LuxSquare Star Guardian Lux [S|L] skins. AsheSquare Ashe Gameplay Update. Improved client match history, combat text cleanup, backend coding cleanup, and widespread small balance changes.
April 28
2015
(Notes)
V5.8 RyzeSquare Ryze and Howling Abyss Visual and Gameplay Update. Recurve Bow item Recurve Bow and The Black Cleaver item The Black Cleaver Rework. Chromas Pack added. Various balance changes.
April 8
2015
(Notes)
V5.7 Guardian of the Sand and TeemoSquare Omega Squad Teemo [S|L] Legendary skins. MorganaSquare Morgana VFX update.
March 25
2015
(Notes)
V5.6 April Fools 2015 patch - the return of Ultra Rapid Fire and a batch of various comedic skins. First trial of death effects.
March 12
2015
(Notes)
V5.5 KassadinSquare Kassadin Visual Update. New Bami's Cinder item Bami's Cinder, Juggernaut item Cinderhulk and Luden's Echo item Luden's Echo items and jungle tweaks.
February 25
2015
(Notes)
V5.4 SonaSquare DJ Sona [S|L] Ultimate skin, ZileanSquare Zilean, VeigarSquare Veigar and MordekaiserSquare Mordekaiser reworks.
February 11
2015
(Notes)
V5.3 Nemesis Draft Featured Game Mode. Valentine's Day for 2015 and new skins and summoner icons. Various balance changes.
January 28
2015
(Notes)
V5.2 TristanaSquare Tristana Visual and Gameplay Update. Arrival of Lunar Revel 2015, and multiple celebratory skins, icons and a ward to accompany it. Widespread changes to multiple Slayer icon assassins, notably AhriSquare Ahri and FizzSquare Fizz. Deathfire Grasp item Deathfire Grasp removed.
January 15
2015
(Notes)
V5.1 AlistarSquare Alistar Visual Update and the start of Season Five. Tier 1 & 2 runes made cheaper, Rune Combiner removed. Trinkets and boot enchantments can now be exchanged directly. Smite Smite now uses charges. Zz'Rot Portal item Zz'Rot Portal added.

Date Patch New Champion Other
December 10
2014
(Notes)
V4.21 Snowdown Showdown 2014; multiple new skins, the Legend of the Poro King game mode and hordes of Poro Poro-themed memorabilia. Minor CassiopeiaSquare Cassiopeia and SejuaniSquare Sejuani changes. A brand new soundtrack for Summoner's Rift.
November 20
2014
(Notes)
V4.20 Preseason 5 patch. Rework to existing jungle camps, new jungle camp in the river, new jungle items that alter Smite Smite. Changes to level up stat growth and regeneration items. Many new and reworked items including Elixirs and a retool of the HUD.