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

Chaos Corona 12 for 3ds Max - Daily Builds Changelog

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TomG:
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:
Warning! There is a major bug in this daily build causing a crash once a Corona Camera is created or selected! This will be fixed in the upcoming versions.
chaos-corona-12-3dsmax-daily-2024-03-05.exe

User-Facing Improvements
* Added a toggleable lock button for Corona Decal to lock width to height aspect ratio.
* User-Facing Improvements: added glossiness mapping for clear-coat in CoronaScannedMtl.
* Viewport display of camera's focal plane was enabled in the camera view and parameters to enable it and change its opacity were added.
* Added the option to fit Corona's Pattern crop box using another object size and transformation.
* Added the option to ignore bump in Corona Curvature map.
* Added option to select objects in the scene that will be included in/excluded from environment illumination.
* Added the Alpha interaction option into the CoronaScannedMtl.Bugfixes
* Fixed rare NAN caused by an error in VFB.
* Fixed rare NAN in Caustic solver.
* CoronaNormal map uses fixed gamma = 2.2 in OCIO mode for gamma correction (enabled by "Add gamma to input").
* Fixed issue where some scenes with Chaos Scatter might load for infinitely long time.
* Fixed issue where some instances were occasionally placed outside of very-fine meshes when using the UV-distribution scattering.

TomG:
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-12-3dsmax-daily-2024-05-10.exe

User-Facing Improvements

* Added accurate sampling mode for environment maps that is slower but delivers more accurate results (especially for large environment maps)
* Added option to distinguish media based on their material (e.g. two intersecting objects with the same material will be now considered as a single volume)
* Added option to delay Bloom&Glare computation after rendering
* Improved the conversion from VRayMaterial to Corona Physical material (especially metals and colored reflections), this change influence also imports from Chaos Cosmos
* Extended range of solar elevations supported by the PRG sky model, now is possible render all solar elevations down to -12 degrees
* Added rollout in CoronaCamera to define Environment Overrides. Each override can be defined with 3 options: Inherit (default), Enable and Disable
* Added warning about Corona not fully supporting OCIO color managment workflow
* Added the possibility to define visibility of Corona Pattern using texmap
* Corona VFB now displays the rendered image with correct display/view transform when OCIO color management is usedBugfixes

* Added back support for motion blur in Corona Standalone
* Metalness setting in the converter is now respected when converting V-Ray and Autodesk Physical materials
* Superfluous sky darkening by the clouds for low solar elevations removedRegression bugfixes

* Fixed issue with 3dsMax crashing, when CoronaCamera is created from Corona Toolbar

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-12-3dsmax-daily-2024-06-07.exe

Major User-Facing Improvements

* Added initial support for export to Vantage. Users can now export and render in Vantage with one click (Render settings > System > Export+Render specifying .vantage format).
* Added new reskinned VFB 2.0 rewritten in Qt.User-Facing Improvements

* Added the possibility to define visibility of Corona Pattern using texmap.
* Added lift, gamma, gain tonemapping operator.
* Significantly improved speed of loading of Corona and Scatter plugins.
* Improved rendering speed up to 25% on DUAL CPUs.
* Improved UI of Camera Environment overrides.
* Added the option to override the environment map in Corona Camera.
* Added the option to apply the LUT in linear color space instead of gamma-mapped one.
* Fixed crash when opening Corona Color Correct Texture curve editor with an empty curve.
* Considerably speed up saving in 3ds Max (up to 10 times in some scenes), when the scene contains Corona Bitmaps.VFB 2.0

* Smoother IR and faster overall interaction during IR (viewport IR not fully integrated yet).
* Added possibility to compare different resolution renders.
* Added loading of Corona EXRs and editing them through. Drag and drop into VFB is also supported.
* Added support for multiple Lightmix elements.
* Fixed VFB not closing after changing active renderer.
* Fixed crash and freeze during IR after changing active renderer.
* Added maxscript access to tonemapping “Load” and “Save” buttons in VFB 2.0.Bugfixes

* Cryptomatte render element now works correctly in DR and in resume render.

Scatter
User-Facing Improvement

* Improved viewport draw performance in Full and Box preview modes.
* Introduced adaptive previz for these two modes, which improves the responsiveness in case of frequent viewport redraws and large number of instances.Bugfixes

* Fixed issue where some instances were occasionally placed outside of very-fine meshes when using the UV-distribution scattering.
* Fixed issue when an outdated persistent config file is found. The issue is handled instead of showing an error/warning message.
* Fixed issue where the method of export may introduce small floating point errors in the geometry data (a fix primarily targeted for the V-Ray cloud export).Regression bugfixes

* Fixed issue where toolbar icons were replaced by text.

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-12-3dsmax-RC1.exe

User-Facing Improvements

* Added an option to the System Rollout of Render Setup to directly render the scene in Vantage.
* Added information about Corona EXR color space in the history item tooltip.
* Added name of the currently edited LightMix element into the LightMix tab.
* Added density scaling parameter in CoronaSky clouds (missed in the previous changelog).
* Corona Bitmap will now use the Color space selected in the Open file dialog.
* Added warning about deprecating Corona Material Library and moving it to Cosmos.
* Added an error message when attempting to export a sequence to Vantage/Standalone.
* If the current Max scene is not saved, it is exported to the %temp% folder upon clicking the "Render in Vantage" button.
Bugfixes

* Fixed issue where message boxes or dialogs shown in VFB2 stays visible after VFB2 is closed.
* Fixed issue where VFB2 buttons were not properly disabled when switching from/to picking mode, editing mode, history comparison.
* Fixed issue where loading CXR with unknown color space into VFB2 would lead to crash. It now shows warning and does not crash.
* Fixed issue where Corona Camera environment overrides checkboxes appear as garbled text in the 3ds Max Track View.
* Fixed crash in VFB2 when right-clicking on the DR entry.
* Fixed DR tab in VFB2 not cleaning the old entries properly.
* Fixed light mix tab flickering in VFB2 (e.g. during IR update).
* Fixed issue where displayed statistics in VFB2 were inaccurate (actual ray/s, sample/s) or missing (max passes, dr passes, noise limit).
Regression bugfixes

* The Bloom & Glare progress is now shown in the VFB2.
* Fixed issue where docked VFB would only render in a small region, while the rest of VFB would be black.

Scatter

Major User-Facing Improvement

* Scatter instance brush: place or erase scatter instances freely or according to scatter settings.
User-Facing Improvement

* Introduced on-demand mesh optimization/simplification (controlled by the polygon limit) to ease the viewport load in full mesh preview mode.
* Extended the UI, so translate, rotate, scale and density control maps could be disabled/enabled easier.
* Introduced hit-testing optimization, which overcomes a very noticeable lag on hovering/selecting scatter with many visible instances.

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-12-3dsmax-RC2.exe

User-Facing Improvements

* Added old VFB double click (fit to render) functionality to the new VFB2.Bugfixes

* Fixed issue where Aperture Dialog would become larger after every collapsing/expansion of the collapsed properties.
* Fixed VFB 2.0 being small for first open and each time render settings were opened and closed.
* Fixed old and new VFB 2.0 not having consistent IR resolutions between first and later runs.
* Reenabled 3ds Max hotkeys that were disabled when VFB 2.0 had focus. Removed Ctrl+C hotkey copying VFB2 content.
* Fixed rare crash occurring during material renaming in lister.UI/UX improvements in VFB2

* Fixed missing update when editing history items.
* Forbid of showing context menu for names of history items.
* Fixed color probe to always adapt size to fit the contents.
* Tabs widths were made smaller to better fit on High-DPI monitors.
* Disabled expandable buttons are no longer highlighted.
* Fixed a rare issue where a render region from a previous rendering could be used during the first second of a new render.
* Fixed crash when entering in aperture dialog's spinbox.
* Prevented turning on 3ds Max's walkthrough mode when navigating with up-arrow in render elements combo box.
* Fixed crash in VFB 2.0 when removing comparison while editing CXR.
* Fixed issue where rendering would get stuck in clean-up phase when any menu was opened.
* Fixed rare crash that occurred when changing resolution of IR while denoising.
* Fixed issue where CoronaSky connected to Camera environment map override did not work with volume shader.
* Fixed scaling issues on high dpi monitors - VFB 2.0 UI should now correctly upscale on high dpi monitors.
* Fixed issue where saving defaults and loading would lead to crash.
* Fixed rare freeze which occurred when certain render stamp tokens are used and tonemapping/lightmix is being changed.
* Fixed Bloom&Glare aperture editor button being disabled after loading a scene with enabled custom aperture.Scatter
Bugfixes

* Fixed issue with missing icons in Max 2025.
* Fixed multiple issues with the "Adaptive previz" mode:
* A crash on switching to full mesh preview when painting/brushing is active.
* "Adaptive previz" doesn't react upon user view pan, zoom, rotate for specific scenes.
* Avoid unnecessary recomputation on "Adaptive previz" enable/disable.
* Fixed crash when using Scatter as an input in Corona DistanceTex.

* Various minor fixes:

* Fixed crash on deleting a distribute-on object.
* Added precise control on when the painted/edited instances should be cleaned/removed and preserved when it is possible/safe.
* Added safe undo support on clearing instances.
* Minor fix on the display mode control during brushing/erasing so it is consistent with the legacy edit-only mode.
* Minor fix on the default display mode.

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