Box2D Physics Engine Expands Into 3D With New Box3D Announcement

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The team behind Box2D, the widely used open-source 2D physics engine, has officially announced Box3D, a new three-dimensional physics library. The announcement was made in June 2026 on the official Box2D website. Box3D appears to be a natural evolution of the Box2D project, extending its physics simulation capabilities into 3D space. The news quickly gained attention in developer communities, including Hacker News, where it drew early discussion. Further technical details are available on the Box2D blog at box2d.org.

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