Extension for Autodesk Maya 2015 Release Notes 

Thank you for downloading Extension for Autodesk® Maya® 2015 .

This document describes known limitations, issues and fixes in this release. It is strongly recommended that you read this document before you install this release. For reference, you should save this readme to your hard drive or print a copy.


Important Installation Notes:


For users who rely on LiveUpdate, you’ll be pushed this release automatically.


Additional Resources

For complete instructions about uninstalling and installing this product see: Maya Installation Help

To learn about new features in this release see: What's New in Maya

For complete documentation and resources, see: www.autodesk.com/maya-docs

For certified hardware, see: www.autodesk.com/graphics-hardware

For more Maya Support, see: www.autodesk.com/maya-support

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What's Fixed?

Fixes included in this release are detailed in the following list containing bug numbers and corresponding descriptions.

Service Pack 1

This release addresses the Heartbleed security vulnerability with an update to OpenSSL.

Additional fixes are detailed in the following list containing bug numbers and corresponding descriptions.

Bug Number Description
Animation General  
MAYA-35912 Fixed a crash when switching from vertex to object view with IK spline handle selected
MAYA-36199 Geodesic Voxel Binding : Fix smoothing due to errors in one-ring vertex neighborhood
MAYA-36359 Maya's auto-connecting "inverseScale" attribute of joints when they get parented is problematic
Bifröst  
MAYA-33464 Bifröst: Submitting more frames after stopping BGC ruins the simulation and timeline display
MAYA-33541 Bifröst: "Stop" button creating gap in scratch cache
MAYA-33615 Bifröst: startFrame doesn't appear in the Channel Box
MAYA-34373 BifröstLiquid mental ray framebuffers don't render (affects render passes support)
MAYA-34834 Bifröst Scratch Cache lost when going back to first frame with animated parameter
MAYA-35064 Bifröst shader doesn't render with alpha
MAYA-35142 Bifröst liquid shader is missing the swatch in the Attribute Editor
MAYA-35524 Bifröst: Loading a scene with user cache needs to go to frame 1 to read the cache
MAYA-36953 Add Help Table Entries to Bifröst option windows
MAYA-37253 Fixed a random crash when rendering mental ray swatch after new scene
File Referencing  
MAYA-36023 Export Selected is not retaining unloaded reference information
FileIO Maya  
MAYA-36578 gzipped files incorrectly get renamed upon resaving existing scenes
Foundation  
MAYA-34909 Fixed a crash when deleting a group of nodes
mental ray  
MAYA-21070 mental ray IBL Emit Light is much darker in IPR versus Render Current Frame (fixed on Mac and Linux only)
MAYA-34280 XGen: Cannot Render Dense Hair with mental ray
MAYA-35098 mila: reordering layers with bump or weight connection is broken (fixed on Mac and Linux only)
MAYA-35306 mental ray ptex shader: additional parameters for hair rendering are ignored (fixed on Mac and Linux only)
MAYA-35749 mental ray builtin_object_light missing from 2015 release (fixed on Mac and Linux only)
MAYA-36068 Some mental ray shader nodes saved in .mb files are not compatible between 2014 and 2015 (fixed on Mac and Linux only)
Modeling  
MAYA-24165 Fixed a crash with (polyengine - TvertexEdgeIterator - next)
MAYA-32504 Performance improvements for setting component creasing values on large meshes
Rendering  
MAYA-30867 In Viewport 2.0, default or scene lighting is applied to the shader during weight painting instead of flat shading like the standard viewport
MAYA-30877 Joint drawing in Viewport 2.0 is slower than it was in Maya 2014 or in the Legacy Default Viewport
MAYA-34403 Viewport 2.0 shows incorrect active trim edges on NURBS with trimmed islands
MAYA-34870 Noise shader fails on Mac OS X in Viewport 2.0
MAYA-35711 Viewport 2.0 Settings UI doesn't reset on File > New: appears out of sync
MAYA-36035 Viewport 2.0: Alpha doesn't work in many TIFF files on Mac OS X
MAYA-36607 Depth Peeling only: Particle sprite and transparent geometry disappear in Viewport 2.0
MAYA-36827 Fixed a joint local axis issue
MAYA-36980 Fixed a crash when zooming in/out the camera after importing the nParticle example
Scripting Python  
MAYA-34628 Using the Python API function maya.api.OpenMaya.MFnComponentListData.length() crashes maya
MAYA-36024 mayapy crashes on Mac 10.9 with interactive input in the prompt
UI General  
MAYA-35251 HUD buttons no longer working in Maya 2014/2015
XGen  
MAYA-32377       XGen: Tube Groom is slow
MAYA-35343       XGen: Object Shadow by directional lights disappear when adding description
MAYA-36904       XGen: mental ray is too slow where rendering patches with a lot hair and a lot of faces

Service Pack 2

Bug Number Description
Animation General  
MAYA-18743 AnimLayers : Command does not return unique names when queried
MAYA-35713 Fixed a crash when loading some Maya 2013 files
Bifröst  
MAYA-34435 Cannot perform render layer override on any Bifrost nodes
MAYA-36566 Bifrost: Scratch cache is affecting Batch with User Cache
MAYA-36704 Bifrost voxel display displays incorrectly with anomalies in wireframe mode.
MAYA-38193 bifrostLiquidMaterial renders black
Cache Representation - Baked Geometry  
MAYA-35582 Graphic card info cannot be detected correctly by gpuCache on the new Mac Pro
FileIO Maya  
MAYA-37309 MPxFileTranslator cannot resolve URI paths
mental ray  
MAYA-37089 Mental Ray IBL: IPR doesn't update automatically when changing the "emit light" features
MAYA-37371 Deleting single layer in mila_material AE interface causes error
Modeling  
MAYA-24623 Insert Edge Loop in Multi-Cut and Quad Draw does not always work correctly
MAYA-26003 If a shape node is named the same as a default camera name (top, side, persp, front) changing to that camera view via the Hotbox creates a new camera
MAYA-31834 Quad Draw, Relax Border Vertices - Shift+MMB drag in area of mesh which doesn't include border vertices will crash
MAYA-33650 Quad Draw fill hole function can sometimes create polys with inverted normals
MAYA-33753 Multi-Cut Slice Tool results are not always correct
MAYA-34671 Files that contain meshes with their tangent space coordinate system set to left-handed don’t re-load properly back into Maya
MAYA-35385 UV texture Editor, Image Range is not working correctly
MAYA-35789 In some cases material assignments are missing after bevel
MAYA-35795 Edit Mesh ->Duplicate options is missing
MAYA-35982 Maya may crash turning on Smooth Mesh Preview (3 key) when the Subdivision Method is OpenSubdiv and a UV Set named “map11” is present
MAYA-37327 MFnMesh getClosestPoint fails without accelerator
MAYA-37420 Some runtimeCommands incorrectly expose variables at a global scope, and those variables can't have their type changed
MAYA-37703 Breaking the connection between a texture node and a displacement node on a mesh using OpenSubDiv method may cause crash
Rendering  
MAYA-34377 Image Plane - attribute change display issue (default renderer)
MAYA-36298 Viewport 2 with large models causes graph editor slowdown
MAYA-36713 Renaming Paint Effects stroke node breaks visibility in VP2.0
MAYA-38044 Crashing with MacPro AMD 500/700 with Softmodification in VP 2.0
UI Attribute Editor  
MAYA-32418 AE errors occur when 'short' node name is not unique
MAYA-36994 Can't drag and drop connections onto torn off/copied tab of Attribute Editor anymore
UI General Editors  
MAYA-9496 Fixed an issue with channelBox -attrColor and -attrBgColor flags not being supported
XGen  
MAYA-35663 XGen: Can't Motion Blur with mental ray 3.12.1.12
Service Pack 3
Bug Number Description
Animation Character  
MAYA-39263 Fixed an issue with blendShape DG evaluation
Animation General  
MAYA-38633 Skinning : some vertices change position after skinning
MAYA-39722 GraphEditor : file will not save after changing keys in graph editor
Bifrost  
MAYA-34091 Collider : full DAG name not recognized, causing name clashing
MAYA-37475 Bifrost : Address overwriting user caches
FBX  
MAYA-36106 Update FBX SDK to version 2015.1 (see FBX Help for more information about this update)
Foundation  
MAYA-38274 Fixed an issue with libc.so.6: version GLIBC_2.12 not found on Linux
MAYA-39444 Update to OpenSSL 1.0.1h on Windows
Installer  
MAYA-38601 mental ray for Maya 2015 patch cannot be uninstalled correctly
MAYA-39064 Speed up Maya 2015 patch install time
mental ray  
MAYA-35143 Fixed the initial delay before first image when progressive rendering
MAYA-36872 GPU cache deforming animation does not change during batch rendering
MAYA-38026 Remove the little white frame when progressive rendering
MAYA-40003 maya_volumefog default for refractions/reflections is off
MAYA-40039 mayabase.lib missing from mentalray devkit 2015
MAYA-40393 createMentalRayQualityTab.mel triggers error about missing control
Multiple Representation  
MAYA-35169 Maya crashes when editing keys of scene assembly nodes / assets in channel box
Rendering  
MAYA-36887 Fixed a crash when opening a legacy scene with mental ray area light
MAYA-37004 MPxShaderOverride not always consolidating
MAYA-38304 Transparent instances are being drawn twice in the legacy pipeline
MAYA-39524 Allow for API access to shared QGLWidget to allow customer widgets to share GL contexts
XGen  
MAYA-39003 Fixed an issue with soft selection not working on guides
MAYA-34137 Add support for xgen_ptex_lookup, xgen_hair_length_mapping, xgen_root_tip_color_blend shaders, providing more control in customizing the XGen hair shader
Service Pack 4
Bug Number Description
API
MAYA-23312
 Undoing move, rotate, and scale commands on custom MPxTransform gives wrong rotation
Animation Character
MAYA-39263
 Regression in blendShape evaluation that occurred during certain complex connection scenarios
Animation General  
MAYA-38927
 Connection between the weightList from a custom node to a skinCluster node did not evaluate
MAYA-41324
 mental ray batch did not properly render blend shape animation
MAYA-41949
 ATOM: Importing time range and replacing with different start/end time does not import correctly
Foundation  
MAYA-38390
 Maya crashes often with Apple Magic mouse
mental ray  
MAYA-42100 mental ray batch render hangs on Mac OS X
MAYA-42097 Mac Mavericks (10.9) crashes on mental ray Render View render (Render Current Frame)
MAYA-42101 mental ray caching issues when rendering with TIFF textures with miLocal attribute set to on
MAYA-41206 mental ray BSP2 significantly slower than old BSP for some scenes
Modeling  
MAYA-34136 UV Distortion shader displays white when Smooth Mesh Preview and OpenSubdiv are used
MAYA-35220 Modeling Toolkit Symmetrize doesn't work with certain meshes and produces error: Symmetry seam is non-planar
MAYA-35222 Modeling Toolkit Symmetrize works only in world space
MAYA-35420 Cannot move or scale certain images in UV Texture Editor after enabling Use Image ratio
MAYA-36405 Boolean operation creates an extra color set (ColorRGBA)
MAYA-37872 UV Distortion Shader display isn't smooth shaded in viewport with OpenSubdiv method
MAYA-38041 Selection by component type will select occluded objects
MAYA-38450 Preselection Highlighting will highlight components on obscured meshes
MAYA-39197 Preselection highlighting doesn't work well with components that have been moved
MAYA-40606 Selecting faces with drag selection doesn't work correctly if faces have been rotated
MAYA-40860 Paint Color on Vertex tool used across multiple meshes may cause crash
MAYA-41305 When in Viewport 2.0, turning on checkered tiles or UV distortion display in the UV Texture Editor will cause a crash if a custom material is assigned
MAYA-41591 Create Quad Draw dots, then switch to four pane layout may cause crash
MAYA-41792 With certain files that have UV linking, loading a PSD file into a psdFileTex node may cause memory leak and crash
Rendering  
MAYA-41190 Hypershade: Create > Color Utilities and Create > Scalar Utilities menus are missing
MAYA-40955 Alpha channel not respected when file texture mapped to sprite particle
MAYA-40215 When Two Sided Lighting is off, negatively-scaled objects shouldn't display black
MAYA-42203 MSceneRender::mClearOperation behaves differently in Maya 2015 than in Maya 2014
MAYA-41890 Viewport 2.0 light distance limit
MAYA-39973 viewImageBlitOverride crashes Maya
MAYA-40425 Ramp texture is slow during change/update
UI: Hypergraph  
MAYA-18625 Some nodes on Hypergraph (Hierarchy mode) with Freeform Layout and Schematic Orientation disappear
XGen  
MAYA-40669 XGen: corrupt file causes crash on scene load
MAYA-41475
 XGen bounding box for motion not set correctly when rendering with motion blur in mental ray
MAYA-41835
 Fixed crashes related to rendering XGen with motion blur in mental ray
MAYA-42349
 Motion blur does not work correctly for XGen Descriptions with AnimWire modifiers


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Limitations

The following section describes limitations, workarounds (where applicable) about this release.


Bug Number Description
Bifrost  
MAYA-32190 The mental ray render for the BifrostLiquidMaterial will not match the viewport. Vorticity is not supported in the viewport and diffuse weight remap is handled differently by mental ray.
MAYA-32763 The default value of 0.5 for Master Voxel Size may be too small to generate voxels on some emitting meshes below a specific scale, including primitives. For example, no voxels will be generated for a default polySphere with radius=1.

Workaround : To generate voxels, either lower the Master Voxel Size or increase the size of the sphere.
MAYA-32869 Bifrost scene is getting evaluated over and over during batch render when runup is enabled. 
Workaround: Disable Runup.
MAYA-33644 Bifrost: Resulting Simulation motion seems incorrect and seems due to Collision objects Conversion Thickness.
Fluid will react with a surface tension type behavior even when stickiness is set to zero.
MAYA-33828 Currently, setting keys attributes found on the bifrostLiquidContainer is not a supported workflow.
MAYA-34114 Bifrost will still render even after disabling the display of particles and voxels in the Bifrost Shape

Workaround : Hide the Bifrost object (set visibility=off).
MAYA-34177 The default maximum particle viewport display number is set to 1 million.  This creates repetitive looking patterns for higher resolution simulations.  Respecting the limits of your graphics card, you can increase the number for a more accurate representation of the simulation.
MAYA-34412 Self-intersecting attached mesh will fail to emit Bifrost particles
Cache Representation - Baked Geometry  
MAYA-31013 Importing a gpu cache during a Windows remote desktop session will crash if the host system does not have Viewport 2.0 set as the default renderer.
Color Management  
MAYA-35118 There can be a noticeable delay when you enable or disable color management in the preferences window, or enabling or disabling Use OCIO Configuration when Viewport 2.0 is in texture shaded mode with multiple textured objects.
MAYA-38980 When using the eyedropper tool to pick colors outside of Viewport 2.0 or the Render View, the inverse transform is not applied with a viewing transform that uses 3D LUTs. This includes the ACES RRT Viewing Transform, as well as any OCIO or user transform that use 3D LUTs.
MAYA-39068
 Color Management warning message appears when saving/reloading scene containing Grease Pencil. You can safely ignore this warning.
MAYA-40567
 Color management is currently not supported with mental ray Satellite. There is no workaround.
MAYA-41487 If a color management policy is present, it will override the OCIO environment variable.  To work around this, clear the user policy field Export or Load Color Management Preferences from XML File in the color management preferences.
MAYA-41781
 Connecting a file texture to mia_material_x_passes may cause color management errors to appear in the Maya console. These may safely be ignored.
MAYA-42107 Textured scenes opened or imported from an FBX file are not color-managed in Extension 1 for Maya 2015.
MAYA-42141
 When clicking Edit > Restore Default Settings in the Preferences window, Color Management settings will not revert back to their default values.
MAYA-42244 Adding a user defined transform and then editing the transform does not update the user transform used by Maya. Removing the transform and re-adding it does not solve the issue. The removed user transform is not fully removed from Maya; therefore, the next time a transform is created with the same name, Maya still uses the previous user transform.
Workaround: Re-add the updated transform using a different name.
MAYA-42503
 mental ray Standalone using additional hosts does not currently support color management. There is no workaround.
FBX
MAYA-40051 You can export Maya transform node custom attributes to the user properties of FbxNode. However, you cannot export Maya shape node custom attributes, such as mesh node, to FbxGeometry. This is because FbxGeometry does not currently support user properties.

FBX does not support the export of every Maya attribute, for example, SmoothDrawType, or ShaderFX primitive variable node attributes.

If the FBX plug-in encounters an attribute on export that it does not support, it resets the attribute to its default value on re-import.
Foundation  
MAYA-30309 OSX 10.9: Hotbox and marking menus will not work on second screen of a dual screen setup

Workaround:
under System preferences > Mission Control > [ ] Displays have Separate Spaces
Uncheck the "displays have separate spaces" option. This will bring the OSX work spaces behavior back to the way it was before 10.9
Localization  
MAYA-18046 If you a running Maya in a Simplified Chinese environment, switch between the standard view and full-screen view of the current panels using the Ctrl + Shift + Spacebar hotkey.
MAYA-28299 XGen does not support file names or file paths with localized characters (that is, upper-ASCII characters and double byte characters).
As a workaround, users should avoid using localized user names.
Modeling
MAYA-39967 Opensubd (Uniform or adaptive): texture display may be incorrect if the mesh is bound to a skeleton.
Workaround: Use Maya Catmull-Clark Subdivision Method.
Multiple Representation  
MAYA-20004 The Attribute Editor's texture sample preview will show a broken swatch icon (red X) when loading a Scene Assembly containing an object with a texture.
Workaround : Leave it un-previewed.
or
set in the Maya preferences under the Display categories Max res. for swatches something larger than the estimated texture size.
MAYA-21592 Attempting to open the Namespace Editor on a complex Scene Assembly scene (1000's - 10,000's of objects) will hang Maya for an undetermined period of time until the Namespace contents have been loaded. Namespace Editor workflows are not recommended for complex Scene Assembly Scenes.
MAYA-22088 Undo after Reference/Scene Assembly Reference edits have been made does not completely clear out the edits
Workaround : Remove the zero'ed out edit by using the remove edits function.
MAYA-22191 Attaching a Scene Assembly scene file representation to a motion path is not currently supported
MAYA-22211 Blend shapes fails to function when used to create Blends between Assembly members and other objects
MAYA-22222 Set Driven Key workflows are not currently supported when the Scene Assembly scene representation object is used as driver
MAYA-22361 Character sets is not supported by Scene Assembly
MAYA-22446 Importing ATOM of set driven key data fails on Scene Assembly
Profiler  
MAYA-37359
 The profiler -instrumentMel flag currently does not support the instrumentation of recursive MEL procedures.
MAYA-40624 Mac OS X only: Advanced search dialog (Edit > Find) always appears behind the Profiler window.
Rendering  
MAYA-16289 When the Double Sided Lighting option under the DirectX 11 Shader Attribute Editor is enabled, backfacing polygons caused by negative scaling may turn black.
Workaround : You should reverse normals after scaling negatively.
MAYA-24576 When depth peeling is chosen as the transparency algorithm for Viewport 2.0 (in Hardware 2.0 Renderer 2.0 Settings window), MSAA can only take effect on opaque objects but not transparent objects.
MAYA-30985 When both backface culling and GPU instancing is on, negative-scaled objects may show inconsistent culling result in VP2. The work-around so far is to temporarily turn off GPU instancing in VP2 option dialog.
MAYA-35665 Older drivers for 1800M graphics cards may crash Maya.
Workaround : Please update to a newer driver.
MAYA-42491
 If you notice that the frame rate in your heads up display is not readable while playing your animation in the Legacy Default Viewport, switch to Viewport 2.0.
Scripting Python  
MAYA-17358 "os.path.expanduser()" returns different results when on the GUI on Windows.

Workaround :
1) Initialize the Maya environment within mayapy.

import maya.standalone
maya.standalone.initialize()

Now os.path.expanduser() will return the same value in mayapy as it does in Maya.

2) Set the HOME environment variable before starting up Maya. Whatever you set it to will be used by by os.path.expanduser() in both Maya and mayapy.
UI General  
MAYA-1688 Auto-complete python commands in the script editor will run the codes inside a Python property block, not just returning the function/property list, but actually running the property itself. The same is true when you hit return to accept and fill that function/property in the script editor.
XGen  
MAYA-23962 XGen is not compatible with merged meshes
MAYA-28065 XGen: Clumping preview refresh issue
When having a bad preview after altering clump maps, press preview again.
MAYA-35042 Loading Xgen may crash Maya if fabricengine plugin is installed.
Workaround : Rename the PySide folder under the fabricengine install directory.
MAYA-36215 Xgen Tube Groom requires tubes to have transformations frozen
MAYA-37306 Mac OS X: Spaces are not supported for the project name.
MAYA-37969 Xgen and the geo that it is bound to have to be in the same namespace. It is not supported to import an XGen description or collection on a piece of geo in a different namespace.



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