glTF 2.1: larger 3D files and faster loads for everyone

The Khronos Group has released glTF 2.1, an update to the standard that promises to change how we handle complex 3D scenes. It now supports files up to 64 GB, includes thumbnails without needing a renderer, and improves data organization. For the average user, this translates to video games and simulations that load faster and with better graphical quality on everyday devices.

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Technical news: direct thumbnails and large files 🚀

Version 2.1 introduces two key changes: generating thumbnails within the file itself, eliminating the dependency on an external renderer, and a fragmentation system that allows handling files up to 64 GB without saturating memory. This facilitates working with massive scenes, such as digitized cities or industrial prototypes, by enabling progressive loading and more efficient resource organization.

Now your PC won't demand a ransom when opening a 3D model 😅

Finally, developers have listened to our prayers. You'll no longer need a NASA-grade computer to preview a 3D model without the fan sounding like a space launch. With integrated thumbnails, you can see if that asset is a chair or a triceratops without opening the program and waiting five minutes. And with 64 GB, architects can fit an entire city without the software taking a coffee break. Progress, folks. 🎉