The production-ready open standard aims to end 3D data fragmentation and ensure high-performance composition for planet-scale world-building across animation, digital twins, and simulation. SAN FRANCISCO, Calif. — December 17, 2025 — Today, the Alliance for OpenUSD ( AOUSD ) announced the first OpenUSD Core Specification , now available as an open standard for 3D content creation and data interchange. A critical milestone and the culmination of years of intensive collaboration, this core…