Intel promised open-source XeSS four years ago, but XeSS 3.0 arrives as Windows binaries
Phoronix reports that Intel has updated its XeSS Software Development Kit on GitHub. The new release adds XeSS 3.0 support, including multi-frame generation and updated frame generation models. The first question was whether Intel had finally turned XeSS into an open-source project.
That still has not happened. In 2021, Intel’s Anton Kaplanyan said XeSS would be open source . Four years later, XeSS 1, XeSS 2, and now XeSS 3.0 have all arrived without a public source release for the core runtime components.
Intel does host the XeSS SDK on GitHub, and the package can be downloaded freely under its license. However, the actual release still relies on precompiled Windows DLL files rather than source code. Phoronix says the new SDK ships with binary-only Windows libraries, including libxess.dll, libxell.dll, and libxess_fg.dll.
Source: Intel
This means XeSS 3.0 is still not open source in the usual sense. Developers can integrate Intel’s binaries into Windows games, but they are not getting editable source code for the technology itself. Intel also has not opened older XeSS versions, even though those earlier implementations have already been replaced by newer revisions.
Source: Intel
For now, the XeSS 3.0 release is mainly a feature update for Windows developers and gamers. It brings new frame generation features, but it does not change Intel’s long-standing approach to distribution. The open-source version that was discussed in 2021 still has not appeared.
Source: Intel XeSS SDK (Github) via Phoronix
