Patches

For the NPC in Icecrown, see "Patches".

Template:Patch mirrors

Summary info on World of Warcraft game patches.

Additional info:

Patch 4.0 Cataclysm System Patch

Patch notes	Release date (US)	Version	Interface .toc	Highlights & notes
Patch 4.0.1	12 October 2010	13164	40000	Talent tree changes Blizzard Launcher update Reforging Flexible Raid Lock System Justice Points and new Honor Points Lots of UI changes
Patch 4.0.1a	26 October 2010	13205	40000	Bug fixes
Patch 4.0.3	16 November 2010	13287	40000	additional preparations for the release of World of Warcraft: Cataclysm. bug fixes user interface changes background content download for the impending shattering of Azeroth
Patch 4.0.3a	22 November 2010	13329	40000	new zones, new quests, new combos
Patch 4.0.6	Februari 2011
Patch 4.0.6a	Februari 2011

Patch notes	Release date (US)	Version	Interface .toc	Highlights & notes
Patch 3.3.0	8 December 2009	10958	30300	Release of the Icecrown Citadel Kalu'ak Fishing Derby Cross-server LFG
Patch 3.3.0a	14 December 2009	11159	30300	Bug fixes
Patch 3.3.2	2 February 2010	11403	30300	Spell changes Dungeon balancing Arena Season 8
Patch 3.3.3	23 March 2010	11685	30300	Updated battleground system Class balancing
Patch 3.3.3a	26 March 2010	11723	30300	Bug fixes
Patch 3.3.5	22 June 2010	12213	30300	Release of Ruby Sanctum Cross-realm/faction/game chat
Patch 3.3.5a	29 June 2010	12340	30300	Bug fixes

Patch notes	Release date (US)	Version	Interface .toc	Highlights & notes
Patch 3.2.0	4 August 2009	10192	30200	Release of the Crusaders' Coliseum Release of the Isle of Conquest Arena season 7
Patch 3.2.0a	19 August 2009	10314	30200	Bug fixes
Patch 3.2.2	22 September 2009	10482	30200	Re-Release of Onyxia's Lair
Patch 3.2.2a	25 September 2009	10505	30200	Bug fixes

Patch notes	Release date (US)	Version	Interface .toc	Highlights & notes
Patch 3.1.0	14 April 2009	9767	30100	Ulduar Argent Tournament with Argent Tournament Grounds Dual Talent Specialization Many class changes
Patch 3.1.1	21 April 2009	9806	30100	Bug fixes
Patch 3.1.1a	28 April 2009	9835	30100	Bug fixes
Patch 3.1.2	19 May 2009	9901	30100	Bug fixes Equipment Manager implemented
Patch 3.1.3	2 June 2009	9947	30100	Bug fixes Current version (sans-Wrath) in mainland China

Patch notes	Release date (US)	Version	Interface .toc	Highlights & notes
Patch 3.0.2	14 October 2008	9056	30000	New class spells and talents Stormwind Harbor Barbershops in capital cities Zeppelin towers outside of Orgrimmar and Tirisfal Glades Two brand-new Arenas featuring challenging new layouts, terrain hazards, and moving obstacles Guild calendar Hunter pet skill revamp New profession: Inscription
Patch 3.0.3	4 November 2008	9183	30000	Minor bug fixes
Patch 3.0.5	10 December 2008	9294	30000	Not released in North America, Europe, South Korea, Taiwan, Hong Kong, or Macau (dealt only with Simplified Chinese localization). Details are same as Patch 3.0.3.
Patch 3.0.8	21 January 2009	9464	30000	Many bug fixes Class balancing
Patch 3.0.8a	28 January 2009	9506	30000	Bug fixes
Patch 3.0.9	10 February 2009	9551	30000	Bug fixes Class balancing