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The Rules Update ProcessD&D Insider Article
Design & Development
By Andy Collins and Greg Bilsland

Whether you call them patches or errata or some word we can’t print on our family-friendly site, updates to existing game rules or game elements are an inevitable part of any game that has a lot of moving parts interacting in a complex way. Updates for the D&D roleplaying game date back to the earliest rulebooks. For example, errata for the 1st Edition Player’s Handbook, Dungeon Master’s Guide, and Monster Manual appeared in issue #35 of Dragon Magazine (cover date March 1980).

In this installment of Design and Development, editor Greg Bilsland and 4th Edition co-designer (and current manager of RPG development and editing) Andy Collins discuss the topic of D&D rules updates.

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    About the Authors

    Andy Collins co-designed the 4th Edition Dungeons & Dragons game and works for Wizards of the Coast as the Manager of Development and Editing for RPG R&D. His credits stretch back a decade and include Magic Item Compendium, Draconomicon, Unearthed Arcana, and the Epic Level Handbook.

    Greg Bilsland is a game editor at Wizards of the Coast. His design credits include the Forgotten Realms Player’s Guide, Monster Manual 2, Divine Power, and Primal Power. His recent editing credits include Player’s Handbook 2, Monster Manual 2, and the Eberron Player’s Guide. He welcomes anyone to keep up with his work at

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