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MoP · 5.5.4 · 50504 · 6 Nov 2026

WoW MoP Classic addons

MoP Classic uses _classic_ and interface 50504. Era's folder will not see these files.

Original illustration of an addon settings panel
Original diagram of an addon folder window

Patch line

The TOC notes place MoP Classic at 5.5.4, interface 50504, and say that line includes modern client changes from before 12.0.7. Questie 12.6.2 publishes a MoP build alongside Forever and TBC. A retail Midnight zip is still the wrong flavor. CurseForge will say so with the "Belongs to…" warning.

Pandaria-specific "addon not working" reports often mean the toc is still on an older MoP interface. The patch page separates a stale toc from a Midnight combat limit. MoP is not under the Midnight secret-value rule.

Questions

Why does my Era install not show MoP addons?

They are in a different flavor folder. Copying between _classic_era_ and _classic_ does not make a toc match.

Sources