Release notes

This book is about all the changes that have occurred for every REDsdk release since REDsdk 4.0.

REDsdk versions

VersionKey changesDetails
5.3REDsdk features:
  • Integration of the Intel Open Denoise for advanced image denoising.
  • Metal enhancements.
  • Small performance optimizations with large scenes.
  • AMD enhancements after issues with Adrenalin 21.4.
REDart features:
  • Enhanced geometry operations.
  • Geometry texture atlas sharing.
  • Atmospheric control API.
  • Enhanced vertex GI / AO quality.
  • Enhanced performance.
  • Export Decals from the editor to define fields in landscape environments.
  • PBR native materials.
  • Water surfaces and water rendering materials (using editor decals).
  • Planar reflection probes.
REDsdk 5.3
5.2REDsdk features:
  • Metal porting on Mac OSX. No more OpenGL!
REDart features:
  • Improved lighting model,
  • SSAO, SSR,
  • Full AMD and INTEL GPU support,
  • Metal support.
REDsdk 5.2
5.1REDsdk features:
REDart features:
  • Automatic generated thick snow,
  • Support for real-time area lights and spherical lights,
  • Temporal anti-aliasing,
  • Improved lighting model,
  • Enhanced clouds.
REDsdk 5.1
5.0Ray-tracer image denoiser,
Polyhedral Hidden Lines Removal algorithm,
Advanced high-end real-time graphics.
REDsdk 5.0
4.3Clouds in the sky,
Enhanced multiple importance sampling,
Adaptive sampling,
New post-processing controls and filters,
Error tracking tools.
REDsdk 4.3
4.2Multiple importance sampling,
Light baking solution,
Global illumination and baked lighting replay on the GPU,
Animation framework,
Complete day & night sky model,
Enhanced realistic material.
REDsdk 4.2
4.1Windows 10 support,
New .FBX, .OBJ, .DAE file importers,
Realistic material merged into REDsdk, no longer in material library,
New unbiased path tracing feedback modes,
Documentation update and new tutorials,
REDOdaDevice migrated to Teigha 4.01.
REDsdk 4.1
4.0Improved software rendering performances,
Improved GPU anti-aliasing performances,
New software sampling methods,
Multi-render target offscreen buffers,
New product documentation,
...and much more!
REDsdk 4.0

Older versions

Release notes for older REDsdk versions are accessible from the REDsdk 3.5 setup. Please contact us through if you need an access to any old REDsdk version.