The main Houdini builds are now built against Python 3.10.

Python 3.9 Houdini builds are available as a separate download.

Dropped support for Python 3.7.

macOS arm64 builds are now built with Apple clang 14 and the macOS 13 SDK.

Houdini 20.0 follows the CY2023 specification in the VFX Reference Platform.

Added new Linux gcc 11, glibc 2.28 build.

Added support for Python 3.10.10.

Switched to the new C++11 ABI for Linux (i.e. _GLIBCXX_USE_CXX11_ABI=1).

Switched the Windows build to build with Visual Studio 2022.

Upgraded NumPy to 1.23.5.

Upgraded OpenColorIO to 2.2.0. Added OpenColorIO Python bindings.

Upgraded OpenSubdiv to 3.5.0.

Upgraded OpenVDB to 10.0.0.

MPlay can now natively export videos through the embedded FFmpeg distribution.

Added FFmpeg 6.0.0.

Added libvpx 1.13.0.

Added openh264 2.3.1.

Added lame 3.100.

Added dav1d 1.2.1.

Added SVT-AV1 1.5.0.

Added kvazaar 2.2.0.

Added hiredis 1.0.2.

Added openpgl 0.5.0.

Added mbedtls 3.2.1.

Added ONNX Runtime 1.14.1.

Upgraded cssutils to 2.3.1.

Upgraded Eigen to 3.4.0.

Upgraded Genshi to 0.7.7.

Upgraded libarchive to 3.6.2.

Upgraded nng to 1.5.2.

Upgraded OpenCV to 4.7.0.

Upgraded OpenEXR to 3.1.6.

Upgraded requests to 2.31.0.

Upgraded six to 1.16.0.

Upgraded spectra to 1.0.1.

Upgraded sse2neon to 1.6.0.

Upgraded Swig to 4.1.1.

Upgraded Tracy to 0.82.

Upgraded USD to 23.08.