This page lists issues fixed in the Maya 2020 release. Note that this release also includes fixes delivered in the Maya 2019.1 and Maya 2019.2 updates.
| Animation |
|---|
| Time Editor : Crash when running playblast after scaling audio clip MAYA-99251 |
| Caching : Animation is incorrect when keying with autokey and layers MAYA-98957 |
| Hang when keying HIK Attributes MAYA-99113 |
| Parallel Evaluation : Crash on playback when controllers have prepopulate attribute set to True MAYA-99057 |
| Parallel Evaluation : Visibility Evaluator : geometryChanged and matrixChanged messages are ignored without recording dirty info MAYA-98972 |
| Parallel Evaluation : Calling createNode between getAttr's returns incorrect value for worldInverseMatrix MAYA-98908 |
| Graph Editor : Maya graph editor populates with infinite hierarchy MAYA-97600 |
| Cannot type in values for IK handle in channel box or attribute editor MAYA-97262 |
| GPU Override : hasAttributeBeenModified evaluates incorrectly MAYA-99794 |
| Deformers: Playback Toggle missing from Hotkey Editor MAYA-98215 |
| Joint orientations not evaluating properly MAYA-96615 |
| Playback frame rate is slower than real-time if no other application than Maya is running MAYA-96559 |
| NURBs evaluation crash with scenes containing animated surface modifiers MAYA-97479 |
| Crash when baking key animation MAYA-96891 |
| Incorrect initialization of complex attribute structure causes crash on file open MAYA-96541 |
| Caching : Animation is incorrect when keying with autokey MAYA-95660 |
| Crash creating proxy attributes MAYA-95587 |
| Joint rotation limits not saved with scene MAYA-95195 |
| Deformed object doesn't update after visibility change MAYA-95241 |
| Motion trail with anchor transform ignores object animation MAYA-95077 |
| Deformers : Nonlinear deformer name flag is not working in Python and MEL MAYA-94740 |
| Parallel Evaluation : Translation does not save with frame change MAYA-98386 |
| Modifying deformer set confuses the connections MAYA-95404 |
| Parallel Evaluation : Maya crashes when rendering frame 1 but not frame 20 MAYA-96294 |
| Camera manipulation broken for cameras parented under a rotated hierarchy MAYA-85233 |
| Inconsistent display of active animation layer for proxy attributes MAYA-93366 |
| IkHandle solver: Menu keeps first selected object MAYA-100897 |
| GraphEditor : Height of Scale Keys Tool manipulator is incorrect in Normalized view MAYA-98311 |
| Allow unsafe Joint attributes like RotatePivot in opt-out manner MAYA-100305 |
| Joint rotate pivot does not move MAYA-97218 |
| Graph Editor : Euler filter is not processing sibling curves correctly MAYA-96845 |
| Graph Editor : Keyframe stats don't refresh when navigating keys with arrows MAYA-97481 |
| Locked translation attributes on custom transform node can be translated MAYA-100793 |
| Cannot paint on parallelBlender blend shapes MAYA-91571 |
| Audio : Waveform not adjusted properly on timeline when resizing Maya MAYA-88977 |
| Graph Editor : Animation layers do not display proxy attributes correctly MAYA-91515 |
| Querying the anim curve for proxy attribute does not match that of the primary attribute MAYA-93334 |
| Graph Editor : Audio scrubbing does not snap to frame MAYA-81051 |
| Crash saving a file that has an HIK XML file using id 0 MAYA-97026 |
| Crash deleting nodes from a simple rig MAYA-95479 |
| Caching : Open Subdiv Smooth Mesh Slow To Cache And GPU Memory Intensive MAYA-92144 |
| Caching : Crash changing Smooth Mesh Preview to Maya Catmull-Clark MAYA-86352 |
| Graph Editor: All views get updated when scrubbing in the Graph Editor, regardless of preferences MAYA-96088 |
| Graph Editor: Moving Keys by typing values into stats field does not work on some keys MAYA-92840 |
| Time Editor : Audio clip path does not support project relative paths MAYA-100776 |
| Graph Editor : Bake Channel option 'Sparse Curve Bake' modifies infinity range fCurve data when it should not MAYA-100631 |
| Graph Editor : Locking / unlocking curves not working well with Synchronized Euler MAYA-97724 |
| Graph Editor : Locked channel allows for tangent selection and modification MAYA-39419 |
| Parallel Evaluation : Wrong worldMatrix value calculated MAYA-98183 |
| Graph Editor : Muting a channel creates keys with a value of 1 MAYA-95438 |
| Graph Editor : Setting guide lines to non-integer value is not working MAYA-84083 |
| Graph Editor : Infinity curves are not displayed for set driven key MAYA-95765 |
| Graph Editor : Missing API events when inserting keys MAYA-72095 |
| Graph Editor : Region Keys Tool now works regardless of the "only scale selected keys" option MAYA-92876 |
| Graph Editor : UI is empty after switching to another editor MAYA-98013 |
| Graph Editor : After executing "Step tangents", moving handle invalidates "Step tangents" MAYA-90701 |
| Graph Editor : Creating animLayers with a lot of curves slows down Maya MAYA-85313 |
| Graph Editor : Grid : Automatic value lines are not as precise as in 2016 version MAYA-84821 |
| Graph Editor : Doesn't normalize correctly when curves have a single key MAYA-85861 |
| Graph Editor : Retime tool cannot undo and leads to a crash MAYA-92280 |
| Graph Editor : Retime tool is broken with synchronized Euler keys MAYA-92274 |
| Graph Editor : Marquee select doesn't work properly when LMB-click near the curve in Modern GE MAYA-90686 |
| Graph Editor : Pickwalk doesn't work correctly on isolated curve MAYA-84299 |
| Graph Editor : Missing keyframe after saving scene MAYA-98113 |
| Graph Editor : Height of Region Tool manipulator is incorrect in Normalized view MAYA-83947 |
| Graph Editor : Buffer curve is not displayed when switching to stacked or normalized views MAYA-88257 |
| Time Editor : Match Relocators do not recognize objects with the same name MAYA-100026 |
| Attribute Editor : Error editing audio sequencer's source end MAYA-100818 |
| Graph Editor : All curves reappear when deleting a key on isolated curve MAYA-97899 |
| Graph Editor : Keys are not normalized after setting a second key MAYA-98596 |
| HIK : Scene crashes due to HIK claiming un-supported nodes MAYA-98873 |
| Parallel Evaluation : Crash when changing frame in timeline MAYA-97782 |
| Caching : VP modes : Crash on playback when displaying polygon tangents MAYA-97541 |
| Slow to select objects with Attribute Editor open on Linux MAYA-96404 |
| VP2 : NURBS geometry crash with vertex color plug-in MAYA-95383 |
| Caching : Character pops to incorrect position while manipulating controller MAYA-95227 |
| Deltamush : Causing zig-zag line flow MAYA-100816 |
| Parallel Evaluation : Muting shots takes longer than in DG mode MAYA-96860 |
| Parallel Evaluation : GPU Override : GPU evaluation leaves blend shape nodes in an invalid state, leading to incorrect evaluation MAYA-96291 |
| Graph Editor : Distorted with maximized pane MAYA-91986 |
| Graph Editor : Animation curve of blendShape target does not show when in an animation layer MAYA-96627 |
| Keying NURBS with visibility connections freezes application MAYA-97740 |
| Caching : Releasing memory is slow on Windows with OpenSubdiv MAYA-94535 |
| Crash selecting UV components in the UV Editor (while it is open on top of the Graph Editor) MAYA-95726 |
| Caching : Frame skipping should not be prevented when not filling in the foreground MAYA-98562 |
| Graph Editor : Refresh problem when selecting multiple objects across animation layers MAYA-84124 |
| Performance : Lag on first frame of playback after graph rebuild MAYA-95860 |
| Caching : VP modes : Mesh becomes incorrect when selecting controller MAYA-95220 |
| Caching : Crash when typing Arabic text in Type node MAYA-97058 |
| Caching : Attribute change prevents correct update of animation MAYA-98145 |
| Parallel Evaluation : Correctness issue with deferred reference MAYA-98112 |
| Multiple animation layers cause performance drop MAYA-98347 |
| Rotate connections break when importing FBX with "Update Animation" option in Japanese UI MAYA-97438 |
| Time Editor : Ability to include common parent transform when creating a clip MAYA-99537 |
| Load error due to skinClusters that are not using blend weight skinning MAYA-99919 |
| Deleting a node that is constrained to a locked node, hangs Maya MAYA-99384 |
| GPU Override : Crash when leaving the Paint Skin Weights Tool MAYA-97718 |
| Parallel Evaluation : Mesh becomes distorted when scaled MAYA-97880 |
| Invisibility Evaluator : State does not always update MAYA-97606 |
| Dope Sheet : Lag when selecting BaseAnimationLayer MAYA-98438 |
| Proxy attributes lost on save to Maya ASCII MAYA-98837 |
| Parallel Evaluation : Initial playback sluggish due to rebuild MAYA-96244 |
| Caching : Euler filter is not working correctly with caching enabled MAYA-96826 |
| Caching : Rebuilding cache in background is very slow with smooth mesh preview (and takes a lot of memory) MAYA-91704 |
| Caching : VP modes : Cache rebuilds with each playback on some scenes MAYA-97542 |
| Using weightBlended skinning zeros all normals on mesh MAYA-96302 |
| Missing dependency propagation during graph construction causes crash during playback or scrubbing MAYA-96677 |
| Parallel Evaluation : Turning on "Heat Map Display" corrupts Hypergraph state. MAYA-96251 |
| Parent constraints not working properly on animation layers MAYA-96250 |
| Graph Editor : Hang animating cameras MAYA-96211 |
| Crash when selecting IK Control MAYA-96193 |
| DG : Incorrect Squash and Stretch behavior MAYA-97037 |
| Interactive Bind Skin Tool: Unable to shrink, move, or rotate the capsule MAYA-96276 |
| Caching : Releasing memory is slow with cached scene on Windows MAYA-95831 |
| Cannot transform multiple selected controls connected to a character set MAYA-97012 |
| Potential memory leak due to missing destructHandle() after calling MPlug.asMDataHandle() MAYA-97197 |
| Crash during playback when Sculpting Tools are active across multiple blendshapes MAYA-99433 |
| Expanding shapes in the Relationship Editor freezes Maya MAYA-95520 |
| Image plane performance is slow on Mac OS X MAYA-93752 |
| Performance loss due to MPxGeometryOverride plugin updateRenderItems being called every frame MAYA-96315 |
| Viewport selection is slow on MacOS with GPU Override enabled MAYA-94578 |
| Caching : VP modes : Rebuild changing current time MAYA-99330 |
| Foundation |
|---|
| MFnDagNode.duplicate() creates nodes with the same fullPathName MAYA-94213 |
| Percentage (%) is not respected in channel box when using on default working units MAYA-95147 |
| Crash when removing a file reference followed by a Save MAYA-98958 |
| Reading a file disables all low level DG warnings/errors from being printed MAYA-101036 |
| FBX : The values in "Post-Rotation/Pre-Rotation" in Motionbuilder does not carry correctly to Maya (via fbx) when the world is set to Z up MAYA-99389 |
| Some python commands no longer auto-convert its parameters to strings MAYA-97129 |
| FbxMayaExport : Rotate axis values are not preserved in some cases MAYA-97934 |
| Creating a set for the second time duplicates the first set in the Outliner MAYA-96910 |
| Crash on MFnMesh calls when mesh is empty MAYA-94026 |
| MPxToolCommand::doFinalize prints an extra semicolon when MArgList is empty MAYA-92901 |
| Missing sets in the outliner when creating more than 10 sets (or more than 2 quick select sets) MAYA-96905 |
| PySide : QFileSystemModel.index cannot be called MAYA-87157 |
| Crash when calling exit() in mayapy without standalone.uninitialize() MAYA-97847 |
| Importing .ABC files with extra attributes added can lead to a crash MAYA-97357 |
| Maya is unable to Close (Ctrl+Q or File->Exit) after opening a dialog in Custom Context MAYA-91969 |
| Blend Shape targets are removed when importing through FBX MAYA-97524 |
| Referencing : Renaming reference node's namespace breaks reference edits MAYA-75968 |
| "File Save As" does not save to the correct location MAYA-95403 |
| Crash when importing Maya scene with several node connections MAYA-92288 |
| Shiboken bindings change depending on the OS version MAYA-96437 |
| Dictionary attributes are stored differently in Maya 2019 versus Maya 2018 which can break various TD scripts MAYA-97796 |
| Entering a backslash in the plugin manager search window causes it to become blank MAYA-91151 |
| Entering a certain file paths into the Open dialog can crash Maya MAYA-95564 |
| Renaming elements are creating big numbers in the name extension MAYA-97595 |
| Callback added by MSceneMessage for kBeforeSave event is not called if the file is read-only MAYA-93934 |
| Hotkey for the Graph Editor lattice is mapped to the option box MAYA-100184 |
| Incorrect results when re-parenting transforms within each other MAYA-99388 |
| Maya does not remember saved Reference load states correctly after a Selective Preload MAYA-94246 |
| Using 'add to selection' through script runs VERY slowly MAYA-98726 |
| MAYA_OVERRIDE_UI Environment Variable does not work in Maya 2019 MAYA-98719 |
| OAST : libxml2 through 2.9.8 when parsing an invalid XPath expression MAYA-97574 |
| fbxImport : -importTimeRange "override" option is not overriding the timeline MAYA-97110 |
| Creating node from PyMel fails after first instance MAYA-96462 |
| Using Python threads inside a PySide application causes memory corruption and random crashes (Python garbage-collector-run can be triggered by the Python interpreter on any Python thread at any point in time) MAYA-95890 |
| Error when exporting unloaded reference node (Error: line 0: Translator could not be used in this file access mode) MAYA-94972 |
| MDGModifier deleteNode deletes a node before doIt is called MAYA-95755 |
| Incorrect Module path set with autoLoader.mll plugins MAYA-95682 |
| Mac : devkit buildconfig file is using the wrong Mac SDK versioned path MAYA-97002 |
| A newly created Character Set does not appear in the Outliner MAYA-96990 |
| Custom nodes (such as a MASH waiter node) do not show in Outliner unless searched MAYA-93292 |
| Object selection (with a large DAG graph) can be slow if the Channel Box and Attribute Editor are open MAYA-95035 |
| Legacy FX |
|---|
| HairSystem node clumpWidthScale graph and others only support 50 knots MAYA-96051 |
| Modeling |
|---|
| Preselect highlight: Hovering the mouse over top of various components, like shells, in UV Editor crashes Maya MAYA-100694 |
| Selecting over 100 objects with the UV Editor results in error message "MpolyTexturePlacementPanel1UVSetTooManyObjects" MAYA-90777 |
| Maya crashes when selecting UVs with displaySmoothness MAYA-98288 |
| Creating a second Set, after renaming the first Set, creates a duplicate of the first Set MAYA-96718 |
| Mirror Offset does not work MAYA-96500 |
| If a mesh includes custom shape nodes, the Multi-cut Tool will fail MAYA-94698 |
| The results of using "invertSelection" in component mode are different MAYA-93701 |
| Detaching faces corrupts Creases when Inserting Edge Loops MAYA-93473 |
| ATF: wire file imports with tessellation issues MAYA-85911 |
| Paint Vertex Color Tool: Undo fails to remove the previous Vertex Set selection, causing multiple Sets to be unexpectedly painted MAYA-99776 |
| Selection is slow when the UV Editor is open with many objects and many faces MAYA-87318 |
| Select > Inverse (Ctrl+Shift+I) for NURBS control vertices does not invert the control vertices, instead it clears the selection MAYA-93376 |
| Maya crashes opening a scene where polyPinUV history was previously deleted MAYA-95129 |
| Duplicating the sub-nodes of an LOD_Group (where inputConnections is set to True) fails to duplicate any lower level sub-nodes MAYA-95364 |
| Selecting a large number of small meshes, while the UV Editor is open, is slow MAYA-97406 |
| Mesh > Smooth can cause some UV values to be NaN MAYA-97777 |
| polyPlatonic, polyDisc, polySuperShape, and polyGear are unrecognized node types in Batch mode MAYA-93633 |
| Reloading a reference can cause a crash if the Shape Editor is open MAYA-89503 |
| Crash when setting MAYA_DET_TANGENT = 1 MAYA-93956 |
| This combination where the Move-Tool (with Orientation is set to Component) and Soft-Select (with Falloff is set to Global), can crash Maya MAYA-93810 |
| Update documentation to state that polyRetopo and polyRetopoCtx commands only work on Windows MAYA-96979 |
| Editing a "blendshape target mesh" is producing incorrect results where translated vertices are not moving to correct space MAYA-98052 |
| Provide support for art3dPaintCtx to save painted textures via a script MAYA-98681 |
| Display Border Edges can cause a crash with instanced objects when deleting components (such as Edges and Loops) MAYA-96504 |
| Modeling tools such as (Insert Edge Loop/Append to Polygon) can change the current namespace MAYA-96222 |
| Unchecking 'Edit NURBS UV Mode' after UV modification crashes Maya MAYA-96016 |
| MMB drag (to translate an object) does not always affect the expected translation axis MAYA-89090 |
| Double-click an Edge (in Tweak mode) does not select whole edge loop MAYA-91105 |
| Preferences: Double-click an Edge does not select Edge Loops if in the Preferences "Click Drag Select" is enabled MAYA-91880 |
| Crash when adjusting Blend Shape slider when sculpting multiple meshes on a single post-deformation blendshape MAYA-99571 |
| Cannot rotate UVs less than 1 degree using UV Toolkit MAYA-97987 |
| MotionGraphics |
|---|
| Crash when distributing MASH network over a disc using the voxel method MAYA-93651 |
| When referencing a scene with MASH nodes, the MASH nodes are improperly renamed MAYA-99787 |
| Rendering |
|---|
| OCIO config path does not support project relative paths MAYA-100845 |
| Render Setup is not saved with autosave MAYA-97630 |
| Light Editor fails with an error if legacy render layers are enabled on Linux MAYA-95870 |
| Unable to resize Render Setup /Light Editor if window were left open when exiting Maya MAYA-90493 |
| Creating more than 5 nested collections causes new item Property Editor fields to grow wider and wider MAYA-72148 |
| UI |
|---|
| Workspaces: "Reset Current Workspace" does not restore widgets to their original size MAYA-97891 |
| Outliner display menu not working when MAYA_SET_PARENT_HINT set to 0 MAYA-97293 |
| Outliner selection and performance lag with large number of elements (faces) MAYA-97157 |
| set nodes do not get added at the bottom of the Outliner when the sortCommand is used MAYA-90459 |
| "Save As" path can sometimes save files in a different location than expected. For example, it saves in the last visited path instead of the Scenes folder MAYA-90896 |
| Sometimes it is difficult to click on buttons in a floating window MAYA-90424 |
| Qt "lock file" prevents Maya from starting MAYA-91131 |
| On Centos 7 (Centos 7.4.1708 and KDE 4.14.8), users are unable to re-dock windows (ex. the Attribute Editor Maya) after undocking them MAYA-96466 |
| Error in AETemplates/AEfileTemplate.mel ("No object matches name: file1.uvTileProxyDirty" - Error evaluating..."createGeneratePreviewButton) MAYA-97889 |
| Multi-Touch Gestures are not working in the Viewport MAYA-100351 |
| The Hotkey Editor prints many lines of commands in the Script Editor when opening a scene MAYA-100183 |
| The plane handles in the Transform Manipulator do not work correctly in Orthographic views MAYA-98932 |
| Viewport |
|---|
| Custom imagePlane's lack support in VP2.0 MAYA-98423 |
| Update Glew to V2.10 from V1.10 and allow access to missing OpenGL 4.x functions MAYA-98342 |
| Viewport 2.0 Draw API compatibility warning inconsistent with current API MAYA-100475 |
| Undo paint vertex color breaks mesh MAYA-99814 |
| Some scenes containing holdout materials and shader fragment code cause a crash MAYA-100034 |
| Rotation gizmo drawn incorrectly in Orthographic views in Legacy Viewport renderer MAYA-98096 |
| CGFX plugin on Linux causes crashes in some cases MAYA-97916 |
| Instancing in VP2 leaves OpenGL in a bad state MAYA-98453 |
| Missing C++ copy constructor on MVaryingParameter, MUniformParameter, MVaryingParameterList and MUniformParameterList leads to crashes MAYA-96345 |
| Performance regression of Viewport 2.0 with many locators MAYA-96340 |
| MTextureManager always creates mipmaps MAYA-96275 |
| nCloth: Connection Density Range curve from constraint node not updating MAYA-93680 |
| castShadows attribute is not evaluated properly if it's connected to another attribute MAYA-97359 |
| MHWRender::MIndexBuffer: Linux: wrong number reported by "ogs -gpu" when using custom buffers MAYA-97092 |
| Geometry corruption with UV Editor whilst in Shaded Mode MAYA-96714 |
| Some UVs are only visible in the editor when you zoom out MAYA-95891 |
| Crash in TraversalStateList::Draw(ADrawContext& dc) with custom shape MAYA-95058 |
| Environment variable that forces Core Profile Compatibility instead of Strict MAYA-94975 |
| Selection and re-selection of objects causes continuous memory leak MAYA-95428 |
| UV tile previews cannot be all generated for file texture nodes connected to bump and other shading nodes MAYA-94856 |
| Viewport 2.0 display of stereo cameraSet is incorrect MAYA-93747 |
| MPxGeometryOverride/MPxSubSceneOverride using unreadable client buffers are not selectable in non-camera-based selection mode MAYA-94071 |
| Locator steals selection when using MAYA_VP2_USE_VP1_SELECTION MAYA-100617 |
| Use the best version of GLSL supported by the driver instead of old v1.5 MAYA-98038 |
| Skin-Delta deformation has incorrect behavior when referenced MAYA-95453 |
| OpenMayaUI.MUiDrawManager.lineList and lineStrip not working in python MAYA-90531 |
| Image Planes in conjunction with Shots cause crashes MAYA-98676 |
| MRenderItem.setShaderFromNode, nonTexture becomes False in Python API 2.0 MAYA-94792 |
| Drawing and selection do not work when plugin shape has -1 value for MVertexBufferDescriptor::offset() MAYA-94194 |
| Camera image plane display mode affects transparency/alpha of scene MAYA-91967 |
| Allow opening of EXR images when their file names do not have an extension MAYA-96299 |
| Exiting using X then cancelling breaks Viewport update MAYA-101160 |
| Universal Manipulator initially moves in opposite direction MAYA-93733 |
| Maya Colorset Visualization is inconsistent between viewports and modes when subdivided MAYA-91857 |
| UV Editor interaction is sluggish with large (> 500k vertices) meshes MAYA-99610 |
| Viewport 2.0 + Instancer node causes memory leak MAYA-97399 |
| Max Shadow Map Resolution increased from 4k to 16k MAYA-98094 |
| Some dynamic attributes are not working with MPxShadingNodeOverride MAYA-97175 |
| Objects do not show up in the uv editor when they are marquee selected in the Viewport MAYA-98411 |
| Display glitch whilst modeling in the viewport MAYA-97762 |
| CPU/GPU usage increases until out of memory occurs when loading textures MAYA-96445 |
| Wireframe not visible for geometry override MAYA-96373 |
| UV Editor is slow when many other meshes are in the scene MAYA-93981 |
| XGen |
|---|
| IGS LinearWire Simulation behavior incorrect MAYA-95774 |
| Utility tab of XGen editor in Maya 2019 is blank MAYA-96442 |