Open 3D Foundation releases O3DE 2025.10
The current Open 3D Engine sizzle reel. The latest version of the open-source game engine, O3DE 25.10, has just been released.
The Open 3D Foundation has released Open 3D Engine 25.10 (O3DE 25.10), the latest version of the open-source game engine.
It’s primarily a bugfix and performance update, but it lays the groundwork for enabling custom materials created using the Material Canvas and Material Pipeline to support ray tracing.
An open-source ‘AAA-capable’ game engine based on AWS’s Lumberyard
First announced in 2021, O3DE is an open-source, cross-platform “AAA-capable” game engine” pitched as a successor to Lumberyard, AWS’s free engine.
It features a modular, SDK-like design, open-source build system and new networking stack, and includes hardware-accelerated ray tracing renderer Atom.
O3DE 25.10: bugfixes and performance improvements
O3DE 25.10 is primarily a bugfix – there are over 100 separate fixes – and performance update.
The build process has been made more efficient, and debugging has been improved, with “up to a 50% reduction” in editor memory usage, and a “manyfold” decrease in iteration times.
The installation process has also been re-engineered to improve reporting and reduce download dependency errors, and to make it possible to install dependencies manually.
Support for ray tracing with custom materials due in a future release
While O3DE 25.10 itself doesn’t feature any major new graphics features, it does lay the groundwork for one.
The new Material Pipeline introduced in O3DE 23.05 has received “several changes” to enable supporting multiple material types with ray tracing.
That’s significant, because it will make it possible to use ray tracing with custom materials created using the Material Canvas and Material Pipeline, as set out here on GitHub.
Licensing and system requirements
Open 3D Engine 25.05 is available as compiled binaries for Windows 10+ and Ubuntu 22.04 Linux. The source code is available under an Apache 2.0 licence.
Read a full list of new features in O3DE 25.05 in the online changelog
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