The lore of Dungeons & Dragons received an overhaul, in the form of several errata updates that change parts of the game. Wizards of the Coast has outlined some of the reasons why these changes have occurred, while other pieces have likely been removed due to their problematic nature. It's likely that these changes will be included in the future 5.5 version of D&D, which is set to launch in 2024.
The rules regarding playable races and the role of monsters in the game have gradually loosened over
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