Redshift 3.5.19 expands the new MatCap Shader node, which was introduced in Redshift 3.5.17. It's described as "laying the foundation for non-photorealistic materials in Redshift" and creates stylized materials by mapping an image onto a grid relative to the rendering camera. In recent updates, new parameters have been added to control projection, including scale, rotation, and the use of camera or world space.
The update also enhances rendering performance on multi-core processors: now rendering blocks can execute concurrently on processors with 12 or more threads (6 or more cores). Redshift CPU also now supports AVX2 and Embree 4.1 - the penultimate version of the ray tracing library for Intel processors.

Users of Cinema 4D have received experimental support for automatic conversion of Cloner objects. The Distorter shader now supports 3D distortions using Maxon noise, allowing distortion of both bump maps and color textures. Houdini users have gained support for asset selection in the Solaris viewport and the ability to display packed Alembic primitives as Redshift Alembic procedurals.

Blender users have received "basic" support for the Jitter Node, which was added to the Redshift core in the previous release.

Redshift 3.5.19 is available for Windows 10, glibc 2.17 and higher on Linux, and macOS 12.6 and higher. Integration render plugins are compatible with 3ds Max 2018 and above, Blender 2.83 and above, Cinema 4D R21 and newer versions, Houdini 17.5 and above (18.0 on macOS), Katana 4.0v1 and above, and Maya 2018 and newer releases. The software is available only through a subscription, with a cost of $45 per month or $264 per year.