performance optimization

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Retail guide updated for:

• The War Within (Patch: 11.2)

Link to the retail guide

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Classic guide updated for:

• Classic Era (Patch 1.15.7)
• Hardcore (Patch 1.15.7)
• Season of Discovery (Patch 1.15.7)
• Anniversary (Patch 1.15.7)
• Hardcore Anniversary (Patch 1.15.7)
• Mists of Pandaria Classic (Patch 5.5.0)

Link to the classic guide

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