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# Release Notes for Nuke and Hiero 11.3v1

# Release Date

13 December 2018

# Qualified Operating Systems

• macOS Sierra (10.12) or macOS High Sierra (10.13)

• Windows 7 or Windows 10 (64-bit)

• CentOS 6 or CentOS 7 (64-bit)

Other operating systems may work, but have not been fully tested.

## Requirements for Nuke's GPU Acceleration

If you want to enable Nuke to calculate certain nodes using the GPU, there are some additional requirements.

#### NVIDIA

An NVIDIA GPU with compute capability 2.0 (Fermi) or above. A list of the compute capabilities of NVIDIA GPUs is available at www.nvidia.co.uk/object/cuda_gpus_uk.html.

Note: The compute capability is a property of the GPU hardware and can't be altered by a software update.

With graphics drivers capable of running CUDA 8.0 & 6.5 or above.

• On Windows and Linux, CUDA graphics drivers are bundled with the regular drivers for your NVIDIA GPU. Driver version r361 or above is required.

Go to http://www.nvidia.com/Download/Find.aspx?lang=en-us for more information.

• On Mac, the CUDA driver is separate from the NVIDIA graphics driver and must be installed, if you don't have it already. The minimum requirement is driver version r361 which can be downloaded from www.nvidia.com/drivers.

Note: We recommend using the latest graphics drivers, where possible, regardless of operating system.

#### AMD

• On Windows and Linux, an AMD GPU and driver from the following list:

Windows GPU | Driver | Linux GPU | Driver
--- | --- | --- | ---
AMD FirePro W8100 | 17.Q2.1 | AMD FirePro W8100 | 17.Q2.1
AMD FirePro W9100 | 17.Q2.1 | AMD FirePro W9100 | 17.Q2.1
AMD Radeon R9 Fury X | 17.4.3 - 17.6.2 | AMD Radeon R9 Fury X | 17.10
AMD Radeon RX 480 | 17.Q2.1 | AMD Radeon RX 480 | 17.Q2.1
AMD Radeon Pro WX 7100 | 17.4.3 - 17.6.2 | AMD Radeon Pro WX 7100 | 17.10

Note: Other AMD GPUs may work, but have not been fully tested.

• On Mac an AMD FirePro GPU on late 2013 Mac Pro 6,1, mid 2015 MacBook Pro 11,5, and late 2016 MacBook Pro 13,3, running OS X 10.9.3 'Mavericks', or later.

#### Multi-GPU Processing

Nuke's GPU support includes an Enable multi-GPU support option. When enabled in the preferences, GPU processing is shared between the available GPUs for extra processing speed.

Note: Multi-GPU processing is only available for identical GPUs in the same machine. For example, two NVIDIA GeForce GTX 1080s or two AMD FirePro W9100s.

# New Features

## ARRI SDK Update

ARRIRAW has been updated to version 6, including various improvements and bug fixes that have introduced subtle image differences that are within tolerance. The Read node's Properties panel includes the following changes:

• The sharpness control now ranges from -5.0 to 5.0. Legacy scripts using the previous 0 to 100 range are remapped to [0,5] when opened.

• A new detail control.

Note: The ARRI look settings are not currently supported.

The full ARRI SDK release notes are publicly available from: http://www.arri.com/support/downloads/searchable_downloads/

## Bounding Box Improvements

Node Graph indications have been added to show changes in bounding box size. You can now tell at a glance the state of the bounding box, even when the Viewer is zoomed in.

The new indications are:

• red rectangle with dotted stroke - the indicated node creates a bounding box greater than the format.

• dotted stroke without the red rectangle - the bounding box size is greater than the format at the indicated node, but the bounding box size has been set by an upstream node.

You can enable and disable these indicators, set a threshold for the warning, and choose the color of the rectangle in the Preferences.

See Bounding Box Warnings for more information.

## Channel Limit Warning

We've added a new warning in Nuke's GUI to tell you when you're approaching or exceeding the 1023 uniquely-named channel limit in Nuke.

You can set a channel count threshold in the Preferences > Project Defaults > Channel Management, and Nuke warns you when a newly created node causes you to exceed that threshold. Additionally, the currently used channel count is displayed in the status bar - color coded to identify if you're below the threshold, above the threshold, or above the maximum channel limit.

See Channels for more information.

## eGPU Support

Support has been added for AMD cards in eGPU set-ups for macOS 10.13.5 (High Sierra), and later. The Sonnet eGFX Breakaway box and BlackMagic eGPU have been tested.

## Live Groups - Locking and Overrides

### Locking

In previous versions of Nuke, a published LiveGroup could be made editable by any change to the LiveGroup script or various changes to the parent LiveGroup node.

Now, once a LiveGroup is published, its contents are locked. This means that any action that could modify the script is disabled. Nodes and their inputs/outputs are locked in position, node property panel controls are grayed out and a padlock icon is displayed on the Node Graph tab for that LiveGroup. To unlock a LiveGroup, click Make Editable.

See Editing and Publishing LiveGroups for more information.

### Overrides

Live Group overrides build on the existing functionality, taking the workflow a step further by allowing knobs at the level above to act as overrides rather than modifying the knobs inside the LiveGroup script.

Override knob values replace those beneath them in the Live Group hierarchy without changing the original value in the LiveGroup script. Override knobs are marked with yellow squares in the Properties panel.

See Overriding LiveGroup Controls for more information.

### Python Callbacks

The Python API for LiveGroups has been extended to include a number of new callbacks, all of which support a return value (True by default). This enables you to control the LiveGroup workflow based on user defined criteria. The Python tab has been removed from the LiveGroup properties.

The callbacks are as follows:

nuke.LIVEGROUP_CALLBACK_CAN_PUBLISH

nuke.LIVEGROUP_CALLBACK_PUBLISHED

nuke.LIVEGROUP_CALLBACK_CAN_MAKE_EDITABLE

nuke.LIVEGROUP_CALLBACK_MADE_EDITABLE

nuke.LIVEGROUP_CALLBACK_RELOADED

nuke.PRECOMP_CALLBACK_OPENED

## Particles Performance Improvements

The Particle system has been optimized to produce up to 6x faster particle simulations and 4x faster playback of particles in the Viewer. In our internal tests, improvements are seen at any scale, with more improvement in simulations with a higher number of particles.

These improvements are a rewrite of some of Nuke’s core particle code, and may result in some differences in output from previous versions of Nuke:

• ID 133272 - ParticleSpawn: The transfer velocity control's math was incorrect and produced unexpected results. This change may break backward compatibility with legacy scripts.

• ID 370706 - ParticleExpression: Age values for particles created between the first and second frame of a simulation were clamped at the first frame, resulting in incorrect ages for some particles when expressions were applied. This change may break backward compatibility with legacy scripts.

For custom Particle plug-in developers, you can take advantage of new ParticleSystem class accessor methods, which return pointers to attribute arrays. Using these is much faster than calling the individual methods for each particle. See Nuke's NDK Development Guide for more information.

## Smart Vector Toolset Improvements

A new node, VectorCornerPin, has been added to the Smart Vector Toolset in NukeX. Using the VectorCornerPin can reduce the need to create multiple VectorDistort nodes with different reference frames and mix between them.

VectorCornerPin uses SmartVector to warp a corner-pinned image between keyframes. You can set keyframes using User and From controls, just like in the CornerPin node, causing the Source image to warp according to the additional SmartVector input.

See Warping Images Using VectorCornerPin for more information.

## Sony SDK Update

Sony SDK has been updated to version 3.1, adding support for the Sony VENICE camera, and X-OCN encoded footage from the F5, F55, and VENICE.

## Timeline Multiview Support

In addition to multi-view formats such as .exr and .sxr, Nuke Studio, Hiero, and HieroPlayer now allow you to define views using separate files on a single track item, similar to Nuke's Node Graph %V Read functionality. For example, if you read in image.left.dpx and change the name to image.%V.dpx, both image.left.dpx and image.right.dpx are read using the same Read node, provided that views called left and right exist in your Project Settings.

Tracks can display all views or any single view using the view button, allowing you to set up stereo and VR timelines for review. Once tracks are set, you can use the new export structure to create Nuke scripts with stereo setups for compositing.

See Stereoscopic and Multi-View Projects for more information.

## Viewer Selection Modes

The selection tool has been improved in both 3D and 2D views, including new modes. You can now select areas of a certain shape with the marquee tools or use the lasso tool to make a selection by tracing the edges of any shape. Additional hotkeys have been added, allowing you to draw a rectangular/ellipse selection from the center and constrain it to square or circle.

Selection area behavior matches Roto/RotoPaint in that, when you hold Shift to add selections, the square/ellipse bbox is anchored at the initial click point with a side length of the Y axis delta.

See Selection Modes for more information.

Note: The Viewer properties viewerSelectorMode control can be accessed Pythonically by knob index.

# Feature Enhancements

• ID 343648 - Documentation: The Nuke help now includes a supported camera formats page.

# Bug Fixes

• ID 154598 - MXF: Setting debayer quality to High Quality on some Sony RAW files displayed an error decoding frame message in the Comp Viewer.

• ID 176742 - SmartDistort: Error messages during input connection were misleading.

• ID 235679 - NDK Documentation: The documentation stated incorrectly that the GeoInfo::copy() function copies primitive data.

• ID 272897 - Timeline Disk Caching: Caching continued after closing the project associated with the frames being cached.

• ID 277342 - LiveGroups: Undoing a change to a node knob inside a LiveGroup didn't work as expected.

• ID 304664 - Timeline Disk Caching: The sequence Properties > Clip Reformat options did not work as expected when Timeline Disk Caching was enabled.

• ID 308870 - Licensing: Nuke 11.0v2 created client floating license files with incorrect names.

• ID 324685 - Denoise: Various controls in the Properties panel did not work as expected.

• ID 328102 - Write: Reloading a script incorrectly enabled the check file matches input option in .exr Write node Properties.

• ID 329048 - ARRIRAW: Undoing changes to Read Properties settings displayed an error in the Viewer.

• ID 329252 - ARRIRAW: Setting an incorrect Debayer Mode in Nuke Studio did not display an error.

• ID 350887 - VectorDistort: Error reporting was unclear when attempting to calculate vectors for a single frame.

• ID 353546 - Denoise: Setting Source to Digital did not work as expected for all input resolutions.

• ID 354345 - Monitor Output: Realtime playback on the timeline was not possible when the output resolution was set to 2160p30.

• ID 358699 - R3D: In legacy mode, the default colorspace was not read from the .rmd metadata.

• ID 358988 - DnD: Drag-and-drop functionality did not work as expected on the Project Settings panel.

• ID 359553 - Stereo: Changing the order of views in the Project Settings changed the hero view in the Compositing environment.

• ID 359747 - Soft Effects: Certain BlinkScript kernels caused Nuke Studio to become unresponsive.

• ID 361673 - LiveGroups: Python exceptions were displayed incorrectly for some functions.

• ID 361843 - Localization: Undoing actions during localization did not work as expected.

• ID 362147 - Bounding Box Warning: Setting the threshold to 0% caused the warning to behave erratically.

• ID 362683 - LiveGroups: Expression links within LiveGroups occasionally produced corrupt files when the script was saved.

• ID 362885 - LensDistortion: Certain scripts exhibited slow render times and lag.

• ID 362908 - Write: Enabling read file in the Properties occasionally reset the file type control.

• ID 363903 - LiveGroups: Overrides on exposed knobs did not work as expected inside nested LiveGroups.

• ID 363967 - Denoise: Setting the Output control to Noise produced unexpected results.

• ID 329061/364388 - ARRIRAW/MXF: Undoing or re-doing changes to a shot did not update the Properties panel.

• ID 365089 - LiveGroups: Copying and pasting an editable, but unmodified LiveGroup created an edited LiveGroup.

• ID 365096 - LiveGroups: Publishing an editable, but unmodified LiveGroup created an edited LiveGroup on reload.

• ID 365102 - Windows only: Reading files with spaces in the file path did not work as expected.

• ID 365190 - MXF: Changing controls in the Properties panel did not always update the Viewer correctly.

• ID 365567 - MXF: Exporting .mxf sequences as .mov files using Process as Sequence produced frame offsets.

• ID 365712 - Export: Spurious knob value warnings were displayed on certain export tasks.

• ID 365863 - MXF: Reading or importing Venice Raw SQ files did not work as expected.

• ID 366072 - LiveGroups: Invisible knobs were not ignored by the override functionality.

• ID 366263 - LensDistortion: Loading a script created a larger bounding box than expected.

• ID 366574 - Denoise: Nuke script precision was changed incorrectly to use Scientific Notation downstream of Denoise nodes.

• ID 366697 - LiveGroups: Reloading a LiveGroup and then enabling an output node in the advanced controls published the LiveGroup incorrectly.

• ID 366872/369082 - ARRIRAW: Clicking load settings from metadata in the Properties panel destroyed the undo stack.

• ID 367591 - Particles: Output from a certain Particles system appeared to bounce incorrectly.

• ID 359974/359983/368716 - Timeline Multiview: Stereo output set to display both eyes or side by side did not display correctly on SDI monitors.

• ID 368743 - Channel Management: Reading clips that broke the channel limit followed by clips that didn't break the limit occasionally caused Nuke to crash.

• ID 368883 - MXF: Copy and pasting Read nodes did not copy the knob values correctly.

• ID 368915 - LiveGroup: Entering an invalid file path and then undoing the action placed the LiveGroup into the editable state, but the padlock icon was still displayed on the LiveGroup tab.

• ID 369083 - Sony SDK: Selecting the unsupported SGamut in the Read properties did not display an error.

• ID 369425 - MXF: Metadata for some key pairs did not display the correct values.

• ID 369510 - Sony SDK: Editing comps containing certain .mxf files caused Nuke Studio to crash.

• ID 369749 - Mac OS X/macOS only: Exporting multi-view timelines to the .exr format displayed an error unnecessarily.

• ID 369787 - R3D: Clicking Load Settings from RMD in the Properties panel destroyed the undo stack.

• ID 369899 - LiveGroups: Knobs that can add/remove other knobs, such as the Read node's File knob, could still modify the Properties panel in locked scripts.

• ID 370124 - Mac OS X/macOS only: The monitor output Side by Side mode did not play back as expected.

• ID 370360 - LiveGroups: Right-clicking a published LiveGroup's Properties panel and selecting Set knobs to default set the LiveGroup's state to editable.

• ID 370392 - ARRIRAW: Tooltips did not include information on other file types, such as the .mxf extension.

• ID 370395 - Viewer Selection Modes: making selections using different modes did not update in the Viewer in real time.

• ID 370415 - ARRIRAW: Selecting the Debayer Mode incorrectly did not display a clear error message.

• ID 370501 - ARRIRAW: Setting the Colorspace incorrectly to any of the available Monochrome settings did not display a clear error message.

• ID 370506 - LiveGroups: The padlock icon on the LiveGroup's sub-graph was not clearly visible.

• ID 370509 - Multi-View Timelines: The Reconnect Media function did not include the detect views option and couldn't reconnect multi-view clips.

• ID 370512 - LiveGroups: Knobs added to published LiveGroups were not saved with the script.

• ID 370519 - LiveGroups: Making a parent LiveGroup editable enabled the Undo and Redo buttons on child LiveGroup Properties panel.

• ID 370536 - Channel Management: Existing Read nodes in the script displayed an error incorrectly when the Channel Warning Threshold was reached.

• ID 370626 - ARRIRAW: Setting Proxy Playback to Half Size Proxy did not work as expected.

• ID 370645 - ARRIRAW: Enabling the lens squeeze options in legacy scripts caused them to disappear.

• ID 370750 - Multi-View Timelines: Single view tracks below multi-view tracks were not visible when Obey Alpha and See Through Missing Media were enabled.

• ID 370846 - Sony SDK: The SLog2 colorspace in Nuke Studio did not match Sony Raw Viewer.

• ID 371220 - ARRIRRAW: The Noise Reduction control was not supported and has been removed.

• ID 371327 - Multi-View Timelines: Double-clicking certain clips caused Nuke Studio to crash.

• ID 371377 - Multi-View Timelines: Localizing stereo clips did not work as expected.

• ID 371428 - Particles: Multiple particle inputs did not render correctly.

• ID 371435 - Multi-View Timelines: Certain multi-view .exr files did not show the hero view on extra tracks.

• ID 371437 - Multi-View Timelines: Clips with invalid views imported with partially filled localization bars in the Project panel.

• ID 371463 - Linux only: The R3D Use CUDA option in the Read Properties panel was disabled.

• ID 371466/371476 - Particles: The P_Fogbox toolset occasionally didn't emit particles correctly.

• ID 371529 - ParticleBounce: The Properties panel included three ParticleBounce tabs.

• ID 371596 - Viewer Selection Modes: Sampling a pixel in the Viewer using Ctrl/Cmd-click disabled Viewer selections in the Gridwarp node.

• ID 371598 - Multi-View Timelines: Exporting certain files attempted to access the Preferences in command line mode and displayed an error.

• ID 371685 - Multi-View Timelines: Switching between mono and stereo setups occasionally caused the Viewer to render black.

• ID 371747 - ARRIRAW: Nuke Studio could not create comps from certain .mxf files.

• ID 371903/371987 - ARRIRAW: Certain combinations of Aspect Ratio, Resolution, and Lens Squeeze displayed an error in the Viewer.

• ID 371926 - LiveGroups: Pressing 1, 2, 3, and so on to add a Viewer to the Node Graph does not work as expected when a Viewer exists in a locked LiveGroup.

• ID 371931 - LiveGroups: Undoing Publish or Make Editable did not return the LiveGroup to its previous state.

• ID 371973 - ARRIRAW: The Aspect Ratio control has been moved above the Resolution control to reflect precedence.

• ID 372286 - LiveGroups: Deleting a custom rgba knob on a LiveGroup created gaps in the Properties panel layout.

• ID 372290 - LiveGroups: Deleting an override knob did not revert the source knob to its original value.

• ID 372422 - LiveGroups: Certain override values were not completely deleted when the associated knob was deleted.

• ID 372466 - LiveGroups: Publishing a deleted LiveGroup Pythonically returned True.

• ID 372496 - Channel Management: Reading certain files that broke the Channel Warning Threshold from the command line displayed Warning: Read1: Cannot assign channel number to channel995 multiple times.

• ID 372620 - Channel Management: The channel threshold warning did not display after executing File > Close Comp or Clear.

• ID 372639 - Channel Management: Reading clips containing more than 1024 channels caused Nuke to crash.

• ID 372672 - Sony SDK: Setting different resolutions for the same file in multiple Read nodes caused Nuke to crash during playback.

• ID 372740 - ARRIRAW: The thumbnails for .ari and .mxf files were not set to their native resolutions.

• ID 372749 - LiveGroups: Deleting overrides on exposed knobs and re-publishing did not lock the LiveGroup.

• ID 372772 - LiveGroups: Nesting a Published LiveGroup inside another LiveGroup and then undoing the action locked the overrides on the published LiveGroup.

• ID 372777 - Sony SDK: Invalid relative resolutions were available when using High Quality debayering.

• ID 372934 - ARRIRAW: The error message displayed for unsupported resolutions in legacy scripts was misleading.

• ID 373011 - ARRIRAW: Certain .ari and .mxf files displayed an error message when read into Nuke.

• ID 373069 - Sony SDK: Scrubbing the playhead while a Read node was updating caused Nuke to crash.

• ID 373242 - ARRIRAW: Legacy controls were not correctly mapped to the new knob name changes.

• ID 373296 - ARRIRAW: Loading legacy scripts unexpectedly changed knob values.

• ID 373375 - Sony SDK: Multiple Read nodes referencing the same file with different control values was not supported.

• ID 373386 - DeepRecolor: Soft edges for different objects in auxiliary channels were not combined correctly when target input alpha was enabled.

• ID 373581/373708 - Multi-View Timelines: Comps were not created correctly when views were in separate clips, rather than from multi-view files such as .exr clips.

• ID 373676 - ARRIRAW: Certain legacy scripts could not be loaded.

• ID 373682 - Channel Management: The Channel Count text in Nuke's interface was the wrong color.

• ID 373684 - Channel Management: The Channel Count in Nuke's interface was clamped to 1024.

• ID 373701 - Multi-View Timelines: Comps were not named correctly when created from separate clips, rather than from multi-view files such as .exr clips.

• ID 373720 - LiveGroups: Modifying a LiveGroup and then undoing the action did not revert the LiveGroup to the editable state.

• ID 373860 - Windows only: The Proxy Playback control was not set correctly with legacy .ari and .mxf files.

• ID 373868 - ARRIRAW: Loading certain scripts displayed a warning.

• ID 373897 - ARRIRAW: Right-clicking on a sequence with the Properties panel open for .ari and .mxf shots caused Nuke Studio to crash.

• ID 373992 - LiveGroup: Applying overrides to exposed knobs did not update the LiveGroup state icon in the Node Graph correctly.

• ID 374109 - LiveGroups: Undoing a Make Editable action was not registering as an individual undo in the stack.

• ID 374259 - Channel Management: The info bar at the bottom-right of the Hiero interface was not displayed correctly and errors were printed on the command line.

• ID 374628 - ParticleWind: The steps per frame control in the ParticleSettings node was not taken into account when applying wind.

• ID 375178 - R3D: Switching the Image Pipeline from legacy to IPP2 mode did not display all the available options.

• ID 375204 - Soft Effects: Hidden knobs were exposed incorrectly on certain effects' Properties panels.

• ID 375909 - Windows only: Reloading a LiveGroup displayed a LiveGroupInfo: Unknown command message.

• ID 375928 - Export: Transcoding audio shots from multi-view sequences did not work as expected.

# New Known Issues Specific to Nuke 11.3

This section covers new known issues and gives workarounds for them, where appropriate.

• ID 376045 - ARRIRAW: Dropping files with more than one period in the file name from the Project panel to the Node Graph displays a temporary error on the Read node.

• ID 374982 - Windows only: LiveGroups knob override indicators don't display or update immediately in the Properties panel.

• ID 374142 - macOS only: Cloning certain custom knobs using Shift and drag-and-drop did not work as expected.

• ID 373227 - LiveGroups: Undoing edits to a LiveGroup does not return the group's state to editable.

• ID 373222 - Timeline Caching: Certain interface components did not update correctly when the Clip Reformat option was changed.

• ID 373170 - Sony SDK: Setting the Gamut control to Rec709 did not match the Colorspace node's sRGB output.

• ID 373072 - Sony SDK: Setting Resolution to Eighth displayed dead pixels in the Viewer for certain clips.

• ID 369203 - Sony 3.1: Certain .mxf files do not playback as expected due to decoding errors.

• ID 367089 - ARRIRAW - Dragging certain .ari files into the Node Graph momentarily shows an error on the Read node.

• ID 366511 - Particles: Caching certain heavy simulations may be slower than previous versions of Nuke.

• ID 366048 Linux only: Running heavy Particles simulations occasionally display the OS not responding error dialog.

# Developer Notes

Here are the changes relevant to developers. See Help > Documentation from the Nuke menu bar or https://learn.foundry.com/nuke/developers/113/ndkdevguide/appendixc/index.html for more information.

As Nuke develops, we sometimes have to make changes to the API and ABI under the hood. We try to keep these changes to a minimum and only for certain releases, but from time to time API and ABI compatibility is not guaranteed. See the following table for the situations when you may have to recompile your plug-ins and/or make changes to the source code.

Release Type | Example | Compatibility | Recompile | Rewrite
--- | --- | --- | --- | ---
Version | 10.0v1 to 10.0v2 | API and ABI |  |
Point | 10.0v1 to 10.5v1 | API |  |
Major | 10.0v1 to 11.0v1 | - |  |

Additionally, node Class() names occasionally change between major releases. While these changes do not affect legacy scripts, you may not get the results you were expecting if a node class has been modified. The toolbars.py file, used to create Nuke's node toolbar, contains all the current node class names and is located in <install_directory>/plugins/nukescripts/ for reference.
As an example, between Nuke 9 and Nuke 10, the CameraShake node Class() changed from CameraShake2 to CameraShake3. In the toolbars.py file for the two releases, the entries for the CameraShake node appear as follows:
m.addCommand("CameraShake", "nuke.createNode(\"CameraShake2\")", icon="CameraShake.png")
m.addCommand("CameraShake", "nuke.createNode(\"CameraShake3\")", icon="CameraShake.png")

## New Features

There are no new features in this release.

## Feature Enhancements

• ID 374043 - NDK Documentation: A new method, KnobChangedObserver, has been added enabling a knob or op to watch for knob changes in other nodes.

## Bug Fixes

• ID 359072 - Python: The API function openInTimeline() did not display the track view icon correctly.

• ID 360592 - LiveGroups: Publishing a LiveGroup Pythonically without a valid file path threw an exception.

• ID 364627 - Python: Calling nuke.thisClass() occasionally caused Nuke to crash.

• ID 371058 - Multi-View Timelines: Python exports did not recognize path substitutions in the Preferences.

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