Release notes

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

REDsdk versions

Version	Key changes	Details
5.3	REDsdk 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
5.2	REDsdk 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
5.1	REDsdk features: Time based adaptive ray-tracing, New post-processes: Vignette, Depth-Of-Field separation line. Improved GI estimator quality using RED::OPTIONS_RAY_GI_ESTIMATOR_FULL_PATH, Improved GPU GI caches quality, New RED::TMO_EXPONENTIAL tonemapping operator, New RED::FMT_HALF_FLOAT data format for meshes, 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
5.0	Ray-tracer image denoiser, Polyhedral Hidden Lines Removal algorithm, Advanced high-end real-time graphics.	REDsdk 5.0
4.3	Clouds in the sky, Enhanced multiple importance sampling, Adaptive sampling, New post-processing controls and filters, Error tracking tools.	REDsdk 4.3
4.2	Multiple 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
4.1	Windows 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
4.0	Improved 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 support@redway3d.com if you need an access to any old REDsdk version.

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