Patches/4.x

Patch Mirrors
Contents
Adding mirrors Incremental update Playable client Public Test Realm Old patches General mirrors Installation tips Torrent info
Related
Patches Patches category

For the NPC in Icecrown, see "Patches".

Summary of World of Warcraft game patches. Additional info: Public client builds - no feature info, but client builds tend to be in sync with patches. Coming soon - general info on upcoming patches. Patch mirrors - mirrors on all the latest patches. Known issues - known bugs and issues information. Hotfixes - information on hotfixes. Patch FAQ - official Blizzard patch type descriptions. Patches category - articles related to patches.

Patch 4.3 Hour of Twilight

Patch notes	Release date (US)	Version	Interface .toc	Highlights & notes
Patch 4.3.0	29 November 2011	15005	40300	Three new 5-man Caverns of Time dungeons (End Time, Well of Eternity, and Hour of Twilight) New Caverns of Time Dragon Soul raid Raid Finder Transmogrification Void Storage Darkmoon Faire island Tier 13
Patch 4.3.0a	2 December 2011	15050	40300	Hot fixes
Patch 4.3.2	31 Jan 2012	15211	40300	Cross-realm Raids 64-bit client Bug fixes
Patch 4.3.3	28 Feb 2012	15354	40300	Bug fixes Scroll of Resurrection system changes

Patch 4.2 Rage of the Firelands

Patch notes	Release date (US)	Version	Interface .toc	Highlights & notes
Patch 4.2.0	28 June 2011	14333	40200	New Firelands raid New Molten Front daily quest zone New Avengers of Hyjal faction Dungeon Journal
Patch 4.2.0a	8 August 2011	14480	40200	Bug fixes
Patch 4.2.2	30 August 2011	14545	40200	Minor Real ID enhancement

Patch 4.1 Rise of the Zandalari

Patch notes	Release date (US)	Version	Interface .toc	Highlights & notes
Patch 4.1.0	26 April 2011	13914	40100	Re-opening of Zul'Aman and Zul'Gurub Class design changes Profession trainers filled out in capitals Bug fixes
Patch 4.1.0a	5 May 2011	14007	40100	Bug fixes

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 Trees Changes Blizzard Launcher Update Reforging Flexible Raid Lock System Justice point and New Honor point A LOT of UI changes
Patch 4.0.3	16 November 2010	13202	40000	Paving the way for the Shattering
Patch 4.0.3a	23 November 2010	13329	40000	World revamp New class/race combos (excluding new races)
Patch 4.0.6	8 February 2011	13596	40000	Includes several updates couldn't be applied via hotfixes Recently discussed class balance changes
Patch 4.0.6a	11 February 2011	13623	40000	Bug fixes

Patch 4.3 Hour of Twilight

Patch notes	Release (US)	Version	Interface	Highlights & notes
Patch 4.3.0	29 November 2011	15005	40300	Three new 5-man Caverns of Time dungeons (End Time, Well of Eternity, and Hour of Twilight) New Caverns of Time Dragon Soul raid Raid Finder Transmogrification Void Storage Darkmoon Faire island Tier 13
Patch 4.3.0a	2 December 2011	15050	40300	Hot fixes
Patch 4.3.2	31 Jan 2012	15211	40300	Cross-realm Raids 64-bit client Bug fixes
Patch 4.3.3	28 Feb 2012	15354	40300	Bug fixes Scroll of Resurrection system changes
Patch 4.3.4	17 Apr 2012	15595	40300	New Customer Support window UI

Patch 4.2 Rage of the Firelands

Patch notes	Release (US)	Version	Interface	Highlights & notes
Patch 4.2.0	28 June 2011	14333	40200	New Firelands raid New Molten Front daily quest zone New Avengers of Hyjal faction Dungeon Journal
Patch 4.2.0a	8 August 2011	14480	40200	Bug fixes
Patch 4.2.2	30 August 2011	14545	40200	Minor Real ID enhancement

Patch 4.1 Rise of the Zandalari

Patch notes	Release (US)	Version	Interface	Highlights & notes
Patch 4.1.0	26 April 2011	13914	40100	Re-opening of Zul'Aman and Zul'Gurub Class design changes Profession trainers filled out in capitals Bug fixes
Patch 4.1.0a	5 May 2011	14007	40100	Bug fixes

Patch 4.0 Cataclysm System Patch and Expansion

Patch notes	Release (US)	Version	Interface	Highlights & notes
Patch 4.0.1	12 October 2010	13164	40000	Talent Trees Changes Blizzard Launcher Update Reforging Flexible Raid Lock System Justice point and New Honor point A LOT of UI changes
Patch 4.0.3	16 November 2010	13202	40000	Paving the way for the Shattering
Patch 4.0.3a	23 November 2010	13329	40000	World revamp New class/race combos (excluding new races)
Patch 4.0.6	8 February 2011	13596	40000	Includes several updates couldn't be applied via hotfixes Recently discussed class balance changes
Patch 4.0.6a	11 February 2011	13623	40000	Bug fixes

External links

WoW Official Game Site (US) Patch Notes (US)

WoW Official Game Site (EU) Patch Notes (EU)

Web.Archive.org Patch F.A.Q. archive page at old Official site (US) 24-Nov-2010