###########################
Redway Legacy Release Notes
###########################

.. toctree::
    :maxdepth: 1
    :titlesonly:
    :hidden:
    
    /additional_resources/bk_rn/bk_rn_redsdk_53
    /additional_resources/bk_rn/bk_rn_redsdk_52
    /additional_resources/bk_rn/bk_rn_redsdk_51
    /additional_resources/bk_rn/bk_rn_redsdk_50
    /additional_resources/bk_rn/bk_rn_redsdk_43
    /additional_resources/bk_rn/bk_rn_redsdk_42
    /additional_resources/bk_rn/bk_rn_redsdk_41
    /additional_resources/bk_rn/bk_rn_redsdk_40

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     | .. rubric:: REDsdk features                                                    | :doc:`bk_rn/bk_rn_redsdk_53`   |
|         |                                                                                |                                |
|         | * 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.                           |                                |
|         |                                                                                |                                |
|         | .. rubric:: 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.                                                    |                                |
+---------+--------------------------------------------------------------------------------+--------------------------------+
| 5.2     | .. rubric:: REDsdk features                                                    | :doc:`bk_rn/bk_rn_redsdk_52`   |
|         |                                                                                |                                |
|         | * Metal porting on Mac OSX. No more OpenGL!                                    |                                |
|         |                                                                                |                                |
|         | .. rubric:: REDart features                                                    |                                |
|         |                                                                                |                                |
|         | * Improved lighting model,                                                     |                                |
|         | * SSAO, SSR,                                                                   |                                |
|         | * Full AMD and INTEL GPU support,                                              |                                |
|         | * Metal support.                                                               |                                |
+---------+--------------------------------------------------------------------------------+--------------------------------+
| 5.1     | .. rubric:: REDsdk features                                                    | :doc:`bk_rn/bk_rn_redsdk_51`   |
|         |                                                                                |                                |
|         | * 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,                              |                                |
|         |                                                                                |                                |
|         | .. rubric:: REDart features                                                    |                                |
|         |                                                                                |                                |
|         | * Automatic generated thick snow,                                              |                                |
|         | * Support for real-time area lights and spherical lights,                      |                                |
|         | * Temporal anti-aliasing,                                                      |                                |
|         | * Improved lighting model,                                                     |                                |
|         | * Enhanced clouds.                                                             |                                |
+---------+--------------------------------------------------------------------------------+--------------------------------+
| 5.0     | * Ray-tracer image denoiser,                                                   | :doc:`bk_rn/bk_rn_redsdk_50`   |
|         | * Polyhedral Hidden Lines Removal algorithm,                                   |                                |
|         | * Advanced high-end real-time graphics.                                        |                                |
+---------+--------------------------------------------------------------------------------+--------------------------------+
| 4.3     | * Clouds in the sky,                                                           | :doc:`bk_rn/bk_rn_redsdk_43`   |
|         | * Enhanced multiple importance sampling,                                       |                                |
|         | * Adaptive sampling,                                                           |                                |
|         | * New post-processing controls and filters,                                    |                                |
|         | * Error tracking tools.                                                        |                                |
+---------+--------------------------------------------------------------------------------+--------------------------------+
| 4.2     | * Multiple importance sampling,                                                | :doc:`bk_rn/bk_rn_redsdk_42`   |
|         | * Light baking solution,                                                       |                                |
|         | * Global illumination and baked lighting replay on the GPU,                    |                                |
|         | * Animation framework,                                                         |                                |
|         | * Complete day & night sky model,                                              |                                |
|         | * Enhanced realistic material.                                                 |                                |
+---------+--------------------------------------------------------------------------------+--------------------------------+
| 4.1     | * Windows 10 support,                                                          | :doc:`bk_rn/bk_rn_redsdk_41`   |
|         | * New .FBX, .OBJ, .DAE file importers,                                         |                                |
|         | * Realistic material merged into Luminate, no longer in material library,      |                                |
|         | * New unbiased path tracing feedback modes,                                    |                                |
|         | * Documentation update and new tutorials,                                      |                                |
|         | * REDOdaDevice migrated to Teigha 4.01.                                        |                                |
+---------+--------------------------------------------------------------------------------+--------------------------------+
| 4.0     | * Improved software rendering performances,                                    | :doc:`bk_rn/bk_rn_redsdk_40`   |
|         | * Improved GPU anti-aliasing performances,                                     |                                |
|         | * New software sampling methods,                                               |                                |
|         | * Multi-render target offscreen buffers,                                       |                                |
|         | * New product documentation,                                                   |                                |
|         | * ...and much more!                                                            |                                |
+---------+--------------------------------------------------------------------------------+--------------------------------+

**************
Older Versions
**************

Release notes for older REDsdk versions are accessible from the REDsdk 3.5 setup. Please contact us through `support <https://techsoft3d.atlassian.net/servicedesk/customer/portal/25>`__ if you need an access to any old REDsdk version.


