Mists of Pandaria patch history
5.0.4 — 5.4.8
Scenarios, challenge modes, and flexible raid sizing all arrive here. The expansion ended with the longest-running final tier of its decade.
Patch timeline
First to last · summarized for operators- 5.0.428 Aug 2012
Systems patch
- Talents rebuilt again into six rows of three choices, shared across a specialization.
- Account-wide mounts, pets, and achievements arrive.
- Pet battles are added as a full parallel combat system ahead of the 25 September launch.
What this means for a buildPet battles are a second combat engine with their own state machine. Cores implement them last, if at all. - 5.1.027 Nov 2012
Landfall
- Faction war questlines open in Krasarang Wilds with per-faction outposts.
- Adds a reputation grind tied to a rolling weekly quest set.
What this means for a buildFaction-specific phasing in a shared zone. Test both factions or you will ship one of them broken. - 5.2.05 Mar 2013
The Thunder King
- Throne of Thunder opens as a twelve-boss raid on the Isle of Thunder.
- The isle advances through realm-wide progress stages for each faction.
- Adds a solo scenario chain gating access to parts of the island.
What this means for a buildRealm-wide faction progress on the isle behaves like the Isle of Quel'Danas, at larger scale. - 5.3.021 May 2013
Escalation
- Faction conflict escalates with new questlines in the Barrens.
- Battleground and arena tuning, plus heirloom and levelling adjustments.
What this means for a buildLight content patch. Mostly quest scripting. - 5.4.010 Sep 2013
Siege of Orgrimmar
- Fourteen-boss final raid, with flexible raid sizing that scales encounters to group size.
- Proving Grounds arrive as solo scaled instances.
- The tier ran until late 2014, the longest final-tier stretch of the decade.
- 5.4.8 is the final build of the expansion.
What this means for a buildFlexible scaling means encounter health and damage are computed from group size at pull. Hard to get right, obvious when wrong.