Chaos Corona for 3ds Max > [Max] Daily Builds

Chaos Corona 13 for 3ds Max - Daily Builds Changelog

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Aram Avetisyan:
This daily build is planned to be released as Corona 12 Update 1 Hotfix 1 soon, if no issues are found.

Please check this article covering the risks of using daily builds: Daily Builds FAQ
If you are familiar with the daily builds and know how to use them, download the newest one here:
chaos-corona-13-3dsmax-daily-2025-01-10.exe

Bugfixes

* Chaos installer advanced install - "continue" button is now disabled when no component is selected.
* 3ds Max shortcuts are now disabled for Cosmos sign-in dialog.
* Fixed issue where ForestPack IVY was not animated in production rendering.
* Fixed issue where ForestPack was no longer scattering Corona light sources.
* Fixed issue where light sources scattered with ForestPack were all in the same light mix selection.
* Improved overall responsiveness of UI when rendering with Corona.
* Scanned Material:
* Fixed "Advanced" dialog not being hidden when license is not available.
* Fixed loading of material when relative paths are stored (Preference Settings > Files > Convert local file paths to Relative).
* License is not obtained immediately after creating the scanned material anymore. It is obtained only when UI is displayed or when  writing new parameter values.

Aram Avetisyan:
Please check this article covering the risks of using daily builds: Daily Builds FAQ
If you are familiar with the daily builds and know how to use them, download the newest one here:
chaos-corona-13-3dsmax-daily-2025-02-28.exe

User-facing improvements

* Implemented differential ray filtering. This improves texture filtering seen through reflection/refraction, and directly visible textures in fisheye, spherical and alike projection cameras.
Enabled by default in new scenes, old scenes have it OFF and should show a message for switching to new filtering.
* Optimized parsing in interactive rendering when changing time - only objects/textures that have animation will be re-parsed.
* Significantly improved DOF (Depth of Field) solver. It should now work well in all supported cases (perspective camera with no VR and no distortions).
* VFB scrollbars are now brighter for better visibility.
* VFB history item thumbnails now update when edited.
* Enabled toggling of Tone mapping operators by clicking on their label (but only if they are not collapsible, in that case those are collapsed/expanded as before).
* Added 'Only unsupported' option to Material override to override only unsupported materials.
* LightMix in VFB2: Toolbar and source element label are locked and only the layers are scrolled.
* Curves histogram tooltip displays "Histogram type" instead of "Histogram kind".
* Added label saying where to find histogram controls to Curve editor in pop out Tone mapping menu.
* Added Global Volume override for CoronaCamera.
* Added option to reset all curves.
* Added shortcut to start/stop Vantage Live Link to Corona toolbar.
* Changed installation root from 'C:\Program Files\Corona' to 'C:\Program Files\Chaos\Corona'.
* Added automatic virtual tours (auto panorama recognition, auto hotspot generation) support for images uploaded to Chaos Collaboration.
* Added support for importing multiple Cosmos assets at once.
* VFB - Region draw is enabled when editing CXR, but only when edited CXR is of the same size as current/last rendering, which is necessary for resume render.
* Added progress bar showing Vantage upload progress. Scene upload to the Vantage can be cancelled now.
* Added missing tooltips to VFB's Auto adjustment properties.
* Added dialog with Chaos account information (opened from System > About Chaos Corona/Licensing).
* Added mix alpha option to CoronaMix map.
* Chaos Collaboration - Image uploaded from history item keeps the item's name.
Bug fixes

* Fixed color management warnings being displayed even when Corona is not the active renderer.
* Fixed lightmix looking different than beauty when OCIO color management is on.
* Fixed highlight of checkboxes in Tone Mapping and Lightmix VFB tabs.
* Fixed issue where adaptivity and denoising was incorrectly computed when using DOF solver.
* Removed clamping for negative values in CoronaColorCorrect texture when not needed.
* Fixed missing update of IR/LiveLink when new objects are imported into 3ds Max.
* Fixed ScannedMtl triplanar mapping moving with the camera.
* Fixed differences in Beauty vs Lightmix render channel for complex materials.
* Fixed crash when rendering with geometry motion blur enabled.
* Fix for not working sub-surface scattering on objects with decals seen in reflection.
* ScannedMtl:
* Fixed file not rendering/displaying in UI even when it is found in 3ds Max Asset Tracker
* Fixed "Adjust UV tiling" button being incorrectly enabled when Triplanar mapping is enabled at the same time
* Fixed issue where translucency settings were not considered in thin mode during conversion from V-Ray material.
* Fixed issue where using reflection/refraction override together with black environment could lead to incorrect results in some rare cases.
* Fixed issue where NAN in Corona Color Texture would propagate further.

Aram Avetisyan:
Please check this article covering the risks of using daily builds: Daily Builds FAQ
If you are familiar with the daily builds and know how to use them, download the newest one here:
chaos-corona-13-3dsmax-daily-2025-03-28.exe

User-Facing Improvements

* Added the possibility to import Scanned materials from Cosmos.
* Added the possibility to apply Bloom&Glare on the alpha render element.
* Detect 3ds Max environment effects and provide an option to delete them.
* Added support for Max 2026.
Bugfixes

* Explicitly update VFB after render stamp is toggled.
* Fixed issue where the light mix context menu in VFB was not working when right-clicking on the light select names.
* Tonemapping errors are no longer shown when doing live link to Vantage.
* Fixed missing MaxScript names for parameters in TileMap, VrScans material, CoronaCamera, Curvature map, Chaos Scatter, Corona Pattern.
* Fixed auto adjustment result being influenced by pixels excluded from rendering.
* Preview of Chaos Scans with triplanar mapping enabled now shows average texture color.
* Fixed issue where render could be aborted when running IR and rendering bitmap in the material editor at the same time.
* Corona Curvature map now correctly works for objects with intersecting elements/volumes.
* Fixed files uploaded from VFB history having wrong metadata for automatic virtual tour generation in Chaos Collaboration.
* Added new LUTs made by Iraban Dutta.
* In quiet mode (batch, command line rendering) take into account whether "Show overwrite confirmation" is enabled. If not, allow VFB history autosaving.
* Fixed issue where light mix was not correctly exported to standalone.
* Chaos Collaboration - Fixed uploaded images having incorrect gamma in Gamma color management workflow.
* Improved the VFB refresh at the start of the production rendering.
* Increase Corona Light viewport performance by not previewing hidden lights.
* Fix image gamma loaded in CoronaBitmap to be 1.0 when using OCIO workflow. This makes CoronaBitmap give the same results as Max bitmap.
Regression bugfixes

* Fix for the change in appearance in Corona Mix Map in sRGB mode.
* Fixed preservation of legacy mode in Curvature Map.

Aram Avetisyan:
Below is first release candidate for Corona 12 Update 2.

From now on daily builds, release candidates and final releases will also be available in your Chaos account's downloads page.
Select "Go to other versions", instead of "Official release" pick "Preview" and you should be able to see the latest download.

Please check this article covering the risks of using daily builds: Daily Builds FAQ
If you are familiar with the daily builds and know how to use them, download the newest one here:

GDrive link as before:
chaos-corona-12-update-2-3dsmax-rc1.exe

User-Facing Improvements

* Added checkbox for clamping/enable negative values. LUTs and Curves now pass channels with negative values and modify channels with nonnegative values.
* Added support of Intel Denoiser for Blackwell (NVIDIA 50-series) GPUs.
Bugfixes

* Fixed slowdown when Lightmix channel is shown in VFB - up to 10x slower than beauty on some PCs.
* Fixed issue where applying decal on a glass object could lead to wrong refraction.
* Fixed issue where Corona Pattern had holes in Orthographic projection.
* Fixed missing lut/ies assets during rendering in case AssetManager can resolve them.
* Fixed Vantage live link updates when deleting after moving camera/changing sun parameter.
* Fixed issue where translucency settings were not considered in thin mode during conversion from V-Ray material. Added condition for use of SSS color
* Fixed DPI scaling of licensing dialog and legal agreement dialog. Fixed wrong telemetry information link and host application name in legal agreement dialog.
* Fixes issue where interactive rendering with Intel denoising was saved without denoising into history.
* Added legacy mode for displaying the bitmaps in OCIO as in v12 Update 1. Fixed textures from Cosmos loaded with wrong gamma.

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