.. currentmodule:: pymel

• general: MultiAttrs now support __delitem__
• uitype: use PySide in toQtObject methods if no PyQt
• language: added mel.globals alias for melGlobals
• core: improve API undo callbacks
• system: saveFile resets name if filename is messed up
• system: make loadReference give more informative error if ref not loaded
• system: optimized FileReference.__init__
• system: switched file cmd used by iterReferences for more stable referenceQuery
• docs: improved the look of the docs
• util.arrays: Array objects now explicitly unhashable, added totuple
• utils.path: allow the pattern argument for various methods to take a compiled regular expression pattern.

• language: added Env.playbackTimes convenience property for getting/setting all timeline values at once
• allapi: added example usage to SafeApiPtr
• general: added Attribute.iterDescendants
• system: added mode and caseSensitive args to Translator.fromExtension
• nodetypes: added topLevel and descendants kwargs to DependNode.listAttr
• nodetypes: added Camera.isDisplayGateMask method
• nodetypes: added closestPolygon keyword arg to getUVAtPoint
• uitypes: added toPySide* functions for casting maya UI strings to PySide objects
• pymel.conf: added option to source initialPlugins.mel
• pymel.conf: added option to prefer PyQt4 or PySide
• util.arguments: added support for sets, useChangedKeys to compareCascadingDicts
• util.common: added inMaya() func
• stubs: make stub Mel.__getattr__ accept anything
• stubs: added PySide stubs

• system: fixed bug with referenceQuery which occured when editStrings and liveEdits flags are True
• system: fixed bug with ReferenceEdit.remove() where self.rawEditData was referred to as a method instead of a property.
• ipymel: pressing ctrl-c no longer quits maya
• logging: fixed bug preventing logging menus from displaying

• joint.limitSwitchX/Y/Z: now return [bool, bool] when queried, just like the mel command, to indicate whether the limit is on for the min/max
• joint.radius: now returns the float radius, instead of [radius]

• general: addAttr/setEnums now accept strings, lists, or dicts for setting enums
• other: cast NameParser arguments to unicode
• factories: issue deprecation warning for deprecated functions only when they're actually used

• added (functional) namespace method to Attribute, Component
• general: added mute accessors to Attributes
• system: provide ReferenceEdit.rawEditData property for getting faster unparsed access to reference edits
• nodetypes: added stripUnderworld flag to DependNode.nodeName(), and default it to true. This removes the underworld prefix (the node prior to ->) from nodeName().
• ipymel: update for ipython 0.11
• util.arguments: compareCascadingDicts can show which keys have been added (as opposed to just changed)
• system: added workspace.expandName

• general: for the keyframe command, the upper / lower limits substituted in for the "index" flag, when no upper/lower limits were given, are now correct; formerly, the behavior of index=":" would vary depending on where (in time) the first and last keyframes were
• general: timerange flags (ie, keyframe(time=...), findKeyframe(time=...), etc) now provide correct results when no upper/lower limits given; formerly, the time=":" would vary depending on if / which objects were selected
• animation: Joint.angleX/Y/Z and Joint.stiffnessX/Y/Z now work
• nodetypes: Container.getParentContainer, Container.getRootTransform, and Character.getClipScheduler now all return None instead of raising a runtime error if no object was found
• system: FileReference.fullNamespace and iterReferences/listReferences with namespaces=1 now handle situations where reference node itself is in a non-root namespace correctly
• general: when instantiating PyNode from an MPlug, to get the PyNode for the node, create from the underlying mobject, not the name (which may not be unique)
• animation: fix for Joint.getAngleX/Y/Z, .getStiffnessX/Y/Z; joint.radius no longer returns list
• mel2py: numerous fixes / tweaks
• system: handle situations where reference node itself is in a non-root namespace
• system: FileReference.nodes fix when reference contains no nodes
• general: duplicate - special-case workaround for duplicating a single underworld node with no children
• general: fix for duplicate + non-unique names
• general: duplicate - workaround for bug introduced in 2014
• nodetypes: fix for getAllParents with underworld nodes
• Upgrade path.py to version 5.0 from github (https://github.com/jaraco/path.py). This fixes an issue with Maya2014, python 2.7.3, and Windows where path().isdir() raised an error.
• general: cmds.group returns unique name in maya > 2014
• fix for virtual classes
• versions: parsing for 'Preview Release' format - from Dean Edmonds

• DagNode.isVisible: has a new flag, checkOverride, which is on by default, and considers visibility override settings
• referenceQuery/FileReference.getReferenceEdits: if only one of successfulEdits/failedEdits is given, and it is false, we now assume that the desire is to return the other type (and set that flag to true); formerly, this would result in NO edits being returned
• parent no longer raises an error if setting an object's parent to it's current parent; this makes it behave similarly to the mel command, and to DagNode.setParent
• renameFile now automatically sets the 'type' if none is supplied (helps avoid renaming a file to 'foo.ma', then saving it as 'mayaBinary')
• general: 1D components have index() method: can no longer use string.index()
• uitypes: make PyUI.parent return None instead of PyUI('')

• for maya versions >= 2012, creation of "ghost" plugin nodes no longer needed
• general: change to Component to speed up len(PyNode('pCube1Shape').vtx)
• general: parent and DagNode.setParent now share common codebase
• general: when find unknown component type, default to just printing a warning and returning generic Component
• general: demoted raiseLog warning about unknown component type to DEBUG
• general: added uniqueObjExists function
• general: speedup for string representation of complete MeshVertexFace
• general: made listRelatives/listHistory/listConnections have same behavior for None and empty list
• system: clarified doc not about removeReferenceEdits not erroring
• system: FileReference.replaceWith - enable kwargs
• system: renameFile automatically sets type
• system: changed referenceQuery so when only one of successful/failed passed, other flag is opposite value
• language: make catch take args/kwargs
• nodetypes: attrDefaults - use MNodeClass in versions >= 2012, _GhostObjMaker otherwise
• nodetypes: Transform.setRotation now takes args as EulerRotation, Quaternion, or iterable of 3 or 4 elements
• nodetypes: isVisible checks overrideVisibility
• stubs: catch more dict-like-objects; special case exclude for maya.precomp.precompmodule
• stubs: create dummy data objects when safe; better handling of builtins
• stubs: use static code analysis to decide whether to include a child module in a parent module's namespace
• stubs: better representations for builtin data types
• stubs: get all names in module, better 'import *' detection
• plogging: added raiseLog func/method
• plogging: small tweaks to way default ERRORLEVEL is set, and raiseLog is added onto loggers
• ipymel: make sure stuff imported into global namespace in userSetup.py is available in IPython

• nodetypes: added stripNamespace option to DependNode.name
• general: disconnectAttr - support for disconnecting only certain directions
• general: MeshFace - added numVertices as alias for polygonVertexCount
• general: added DiscreteComponent.totalSize method
• general: added ParticleComponent class
• other: added DependNodeName.nodeName (for compatibility with DagNodeName)
• nodetypes: added DagNode.listComp
• datatypes: added equivalentSpace
• utilitytypes: proxyClass - added module kwarg to control __module__
• system: added FileReference.parent()
• system: listReferences - added loaded/unloaded kwargs
• system: added UndoChunk context manager
• system: Namespace.remove/.clean - added reparentOtherChildren kwarg
• system: added support for regexps to path.listdir/.files/.dirs
• system: added successful/failedEdits flags to FileReference.removeReferenceEdits
• windows: confirmBox - added returnButton kwarg to force return of button label
• plugins: added an example for creating plugin nodes
• util.enum: added Enum.__eq__/__ne__
• py2mel: added include/excludeFlagArgs
• system: added proper hash function for FileReference

• general: fix for potential crashes due to using cached/invalid MFn
• general: fix pm.PyNode('pCube1.vtx[*]')[2] to work like like pm.PyNode('pCube1').vtx[2]
• general: fix for HashableSlice comparison (fixes bug with component indexing)
• general: Component - fixes for complete-component shortcut don't use with empty meshes don't use for subd components (including SubdUV) use ffd1LatticeShape.pt[*], not .pt[*][*][*]
• general: SubdEdge - hack to avoid a maya bug which causes crash
• language: MelGlobal.initVar now initializes in mel
• language: remove annoying callback error spam; instead make info available in a log from Callback.printRecentError()
• uitypes: fix for 2012 SP2 issue with objectTypeUI not working for windows with menu bars
• nodetypes: Transform.setRotation - fix for setting with EulerRotation object and non-standard rotation order or unit
• nodetypes: fix for ObjectSet.__len__
• nodetypes: AnimLayer.getAttribute - query dagSetMembers.inputs() to get full/unique path
• nodetypes: fix typo in name of NurbsCurve/Surface.controlVerts (not conrolVerts)
• core: _pluginLoaded - added fix for addPluginPyNodes triggered on reference load (fix for 2012+ only)
• core: fix erroneous 'could not find callback id' warnings
• utilitytypes: universalmethod now has doc pulled from original func
• util.conditions: bugfix for __ror__, added __str__
• allapi: toApiObject - low-level fix for Nucleus attributes
• startup: don't use fixMayapy2011SegFault in >= 2013, seg fault was addressed by Autodesk
• stubs: fixes for objects with multiple aliases in a module
• py2mel: bugfixes, bugfix for excludeFlagArgs

• core.uitypes: improved AETemplates to work when created from within a scripted plugin
• tools.mel2py: now output exact same filename as input on Windows
• core.nodetypes: Transform.getRotation - can get as euler or quaternion
• extras: improved reliability of stub files (for pydev, wing, etc)
• core: doing select([], replace=True) should clear selection
• api.allapi: replace toMObjectName with MObjectName
• core: namespace - root option is now False (for backward compatibility)
• core: MeshVertex.setColors - set colors for all verts in MeshVertex
• core: re-implement noIntermediate flag to listRelatives
• plogging: PYMEL_LOGLEVEL env var now sets minimum level for all pymel loggers
• core: use new 2012 pluginInfo flags for getting more command types
• core.windows: PopupError can now raise another exception type
• examples: update customClasses.py example

• util.path: added boolean normcase keyword arg to path.canonicalpath()
• api.plugins: added in classes for all MPxNode classes and methods for querying class / MPx to MPx enum mappings
• api.plugins: added new overridable methods which generate node callbacks: timeChagned, forcedUpdate, nodeAdded, nodeRemoved, preConnectionMade
• versions: added maya2012 hotfix 1,2,3,4
• core: Attribute.setDirty / evaluate
• core: DependNode.rename() now supports pyMel unique flag preserveNamespace
• core: added check to ensure name passed to DependNode.rename() is shortname
• core: implemented DependNode.rename() flags: i.e. ignoreShape can now be used
• core.uitypes: added Layout.findChild() which takes the shortname of a child as a string and returns the PyUI object

• mayautils: fix so recurseMayaScriptPath, when given explicit roots, doesn't wipe out old paths
• core: fixed bug where __pymelUndoNode was created in non root namespace
• tools.pymelScrollFieldReporter: use mel2py.melparse (issue 247)
• core: fixed FileReference.importContents(removeNamespace=True)
• core: _pluginLoaded callback now correctly triggered by importing
• core: fix promptForPath doesn't work for mode 1/100 due to testing for the existance of the path.
• core.nodetypes: fix for DependNode.rename(preserveNamespace=True) when node in root namespace
• core.nodetypes: fixed bug with RenderLayer.added/removeAdjustments
• core.nodetypes: fix for DagNode.getAllParents (and test)
• core.nodetypes: fix for DependNode.hasAttr(checkShape=False)
• core.nodetypes: fix for AnimCurve.addKeys (issue 234)
• internal.startup: fix for error message when fail to import maya.cmds.about
• core: fixed addAttr(q=1, dataType=1) so it does not error if non-dynamic attr
• core: pythonToMelCmd - fixed bug when flagInfo['args'] was not a class
• core: pythonToMelCmd - fix for flags where numArgs > 1
• maya.utils: formatGuiException - fix for, ie, IOError / OSError
• updated 2012 caches to fix issue 243

• UI classes that have 'with' statement support now set parent back to previous 'with' object if there are nested with statements; if not in a nested with statement, resets parent back to UI element's parent (or more precisely, the first element that is not a rowGroupLayout element)

• with OptionMenuGrp() will set parent menu properly

• 'Unit' support for Quaternion objects is now removed (as it doesn't make any sense)

• can now pass in PyNode class objects to functions / methods that expect a mel node class name - ie:

  listRelatives(allDescendents=True, type=nt.Joint)

  is equivalent to:

  listRelatives(allDescendents=True, type='joint')

• other: NameParser(dagObj) now always gives a DagNodeName even if shortName has no |

• PyNode('*') - or any other non-unique name - now returns an error use ls('*') if you wish to return a list of possible nodes
• By default, the root pymel logger outputs to sys.__stdout__ now, instead of sys.stderr; can be overriden to another stream in sys (ie, stdout, stderr, __stderr__, __stdout__) by setting the MAYA_SHELL_LOGGER_STREAM environment variable
• skinCluster, tangentConstraint, poleVectorConstraint, and pointOnPolyConstraint commands now return a PyNode when creating, instead of a list with one item
• skinCluster command / node's methods / flags for querying deformerTools, influence, weightedInfluence now return PyNodes, not strings
• Attribute.elements now returns an empty list instead of None
• general: Attribute.affects/affected return empty list when affects returns None
• setParent returns PyUI / None; menu(itemArray) returns [] for None
• general: make Attribute.elements() return empty list for None
• shape attribute lookup on all child shapes (like mel does)

• Shape.setParent automatically adds --shape flag
• nodetypes: added isVisible
• added MGlobal.display* methods to pymel.core.system namespace
• other: added NameParser.stripGivenNamespace()
• language: OptionVarList has more helpful error message when __setitem__ attempted
• nodetypes: getSiblings can now take kwargs
• Added MainProgressBar context manager
• Added isUsedAsColor method to Attribute class
• Added wrapper for listSets function
• Added method listSets to PyNode class
• Added a folderButtonGrp
• system: added Namespace.move
• system: added Namespace.listNodes
• mel2py: python mel command now translated to pymel.python (ie, maya.cmds.python)
• general: added Attribute.indexMatters
• language: added animStart/EndTime to Env
• system: added in a 'breadth'-first recursive search mode to iterReferences
• general: added ability to set enum Attributes with string values (issue 35)
• plogging: set logging level with PYMEL_LOGLEVEL env var
• Added isRenderable() method to object set.
• deprecate PyNode.__getitem__
• mayautils: executeDeferred now takes args, like maya.utils.executeDeferred

• py2mel failing with functions that take *args/**kwargs
• eliminated / fixed various 'warning' messages on pymel startup
• MayaNodeError / MayaAttributeError not being raised when a node / attribute not found
• some maya cmds were not handling 'stubFunc' correctly
• renderLayer.listAdjustments() was not functioning
• MainProgressBar fixed
• language: OptionVarList __init__ no longer raises deprecation warning
• listSets() throws away non-existant 'defaultCreaseDataSet' that maya.cmds.listSets() returns
• fix for dealing with maya bug where constraint angle offsets always returned in radians (but set in degrees)
• fixes for incorrect formatting of error strings in some cases
• fixes for unloading of commands/nodetypes when plugins unloaded (and pymel.all was imported first)
• miscellaneous documentation fixes
• fix for mayautils.executeDeferred when invoked with args
• fix for Attribute.getAllParents()
• fix for aliased multi/compound attributes
• fix for Attribute.isSettable with multi/compound attributes
• fix for Attribute.exists with multi/compound attributes
• fix for Attribute.type with multi/compound attributes dynamic attributes
• fix for published container node attributes / aliases
• fixes for plugin callback failing when plugin has uncreate-able nodes
• fixes for multiple iterators of a mutli-attribute not being independent
• fix for MeshVertex.setColor
• fix for MeshVertex.isConnectedTo
• fix for MeshVertex.getColor
• fix for MeshEdge.isConnectedTo
• fix for MeshFace.isConnectedTo
• fix for plogging handling case where various env. variables exist, but are empty
• Fix for Layout.children() Layout.children() now returns empty list if layout has no kids intead of raising error.
• listConnections: fix so rotatePivot always Attribute (not component)
• uitypes: bugfixes to AETemplates. corrected UITemplate to represent an existing uiTemplate if instantiated with the name of an existing template
• nodetypes: fixed a bug where Transform.setScalePivot was internally using MFnTransform.setScalePivotTranslation
• fixed a bug in pythonToMel where python booleans were not converted to integer. this caused the Mel class to not work properly with booleans.
• core.general: fix a bug with sets command where noWarnings was interpreted as a set flag, instead of a boolean flag
• Namespace: fix for getParent()
• general: various attr name fixes (stripping of [-1] indices, etc)
• nameparse: enable parsing of [-1] indices (for attributes)
• nodetypes: enable parsing of [-1] indices (for attributes)
• nodetypes: setParent to current parent no longer errors
• util.enum: fix for repr of EnumDict
• fixes for referenceQuery
• attr.exists() should return False if the node no longer exists
• datatypes: fixed bug to allow Point * FloatMatrix
• general: bugfix for Attribute.attrName
• utilitytypes: EquivalencePairs.get now correctly retrieves value=>key
• nodetypes: fixed setParent(world=1) bug
• uitypes: Fix issues with the popup and with support.
• pm.mel.command translation would fail with no-arg bool flags (like -q, -e)
• language: mel command translation makes no assumptions for unknown commands; None is translated to empty string, not 'None'
• bugfix for uiTemplate(exists=1)
• general: Attribute.elements() now correctly works with array and element plugs
• fix get/set rotation by using eulerRotation
• startup: changes to fix issues with maya -prompt and plugins loading pymel
• fix for TransformationMatrix.get/setRotation, removed Quaternion units
• datatypes: fixes for EulerRotation
• fix for ui heights for pymelControlPanel
• uitypes: bugfix for with statement parent setting on exit
• mesh: fixes to allow creating component objects for empty meshes (ie, createNode('mesh').vtx)
• mesh: made more num* functions work with empty meshes
• core.general: fix for move with no object
• datatypes: fix for EulerRotation comparison/len
• fix for menu('someOptionMenu')
• FileReference: initialize correctly from a path
• windows: bugfix - informBox wasn't using 'ok' kwarg
• plogging: bugfix for 182 - crash due to creating loggers as iterating over dict
• arrays: fix for dot/outer product error messages (issue 158)
• fix for 'no useName' and MfknSkinCluster.setBlendWeights warnings on startup
• Fixed language import in MainProgressBar
• fix for Issue 216: renderLayer.listAdjustments()
• docfix for issue 192
• fix for constraint angle offset query always being in radians
• nodetypes: fix for multi/compound alias attrs
• nodetypes: fixes for published container node attributes / aliases
• general: made attribute iterator independent
• general: fix for isSettable with multi/compound attributes
• general: fix so getAllParents doesn't return orig object
• general: fix for Attribute.exists with multi/compound attrs
• Attribute.type() now works with multi/compound, dynamic attrs
• fixes for mesh components

• rolled back listConnections() change from 1.0.1

• container()

• added functions for converting strings to PyQt objects: toQtObject(), toQtLayout(), toQtControl(), toQtMenuItem(), toQtWindow()
• added method for converting PyMEL UI objects to PyQt objects: UI.asQtObject()

• fixed a bug where nt.Conditions() created a script condition

• listConnections: when destination is shape, always returns shape (not transform)
• select([]) only clears selection if mode is replace
• deprecated Attribute.firstParent()

• mel2py: now does packages/subpackages for recursed mel subdirectories
• added various dict-like methods to OptionVarDict
• added new EnumDict support which Attribute.getEnum returns
• added support to getAttr() / Attribute.get() for getting message attributes, which are returned as DependNodes
• added core.system.saveFile()
• added pymel.versions.is64bit()
• added new directory helpers to mayautils: getMayaAppDir(), getUserPrefsDir(), and getUserScriptsDir()
• added DependNode.longName(), DependNode.shortName(), and DependNode.nodeName() for easy looping through mixed lists of DependNodes and DagNodes
• added FileInfo.__delitem__()
• added DependNode.deleteAttr()

• unloading plugins no longer raises an error
• python AE templates were not being found. fixed.
• fixed a bug in api wrap, where MScriptUtil was not allocating space
• fixed a bug with Transform.setMatrix()
• pymel.versions.installName() is more reliable on 64-bit systems, which were sometimes detecting the installName incorrectly
• Attribute('mytransform.scalePivot') now returns an the scalePivot attribute
• getAttr() / Attribute.get() bugfix with multi-attr
• nodetypes: fixed bug 172 where nested selection sets were raising an error when getting members
• getPanel now always return panels
• uitypes: all panel classes now properly inherit from Panel
• fixed some keywords that had been mistakenly refactored
• core.general: fixed a bug where dependNodes were not returned when duplicated

• pymel no longer has 'everything' in namespace - use pymel.all for this
• pymel.core.nodetypes now moved to it's own namespace
• pymel.mayahook.Version functionality moved to pymel.versions module. to compare versions, instead of Version class, use, for example, pymel.versions.current() >= pymel.versions.v2008
• pymel.mayahook.mayautils.getMayaVersion() / getMayaVersion(extension=True) replaced with pymel.versions.installName()
• pymel.mayahook.mayautils.getMayaVersion(extension=True) replaced with pymel.versions.shortName()
• removed 0_7_compatibility_mode
• removed deprecated and inapplicable string methods from , base of all PyNodes:
• removed Smart Layout Creator in favor of 'with' statement support
• DagNode.getParent() no longer accepts keyword arguments
• Renamed UI base class to PyUI
• sceneName() now returns a Path class for an empty string when the scene is untitled. this makes it conform more to cmds.file(q=1, sceneName=1)
• replaced listNamespace with listNamespace_new from 0.9 line

• Attribute: __setattr__, size
• Camera: getFov, setFov, getFilmAspect
• Mesh: vertexCount, edgeCount, faceCount, uvcoordCount, triangleCount
• SelectSet: issubset, issuperset, update
• Mesh components: toEdges, toFaces, toVertices
• ProxiUnicode: __contains__, __len__, __mod__, __rmod__, __mul__, __rmod__, __rmul__, expandtabs, translate, decode, encode, splitlines, capitalize, swapcase, title, isalnum, isalpha, isdigit, isspace, istitle, zfill

• added support for creation of class-based python Attribute Editor templates, using ui.AETemplate
• added 'with statement' compatibility to UI Layout and Menu classes
• added the ability to generate completion files for IDEs like Wing, Eclipse, and Komodo

• ipymel: added colorization to dag command
• py2mel: now works with lambdas and methods. new option to provide a list or dictionary of mel types.
• re-added missing scriptEditor files
• added upgradeScripts, a tool for converting 0.9 scripts to be 1.0 compatible

• moved functions for working with the shell into util.shell
• split out ui classes from core.windows into core.uitypes for lazy loading
• for versions >= 2009, use open/close undo chunks instead of mel hack to ensure that an entire callback can be undone in one go
• improved lsUI()
• moved component types out of nodetypes and into general
• __repr__ for nodetypes, uitypes, and datatypes reflect their location so as not to cause confusion. using short module names nt, ui, and dt.
• caches are now compressed for speed
• allow setting pymel.conf location via environment variable PYMEL_CONF
• DagNode.getBoundingBox() now allows you to specify space
• ensured that the 'name' flag for surface and curve operates on shape as well
• changes to allow myCube.vtx[1,3,5]
• commands wrapped by pmcmds that raise a standard TypeError for a non-existent object will now raise a MayaObjectError
• simplified getParent code on Attribute and DagNode to improve function signatures.
• fixed a bug with ls(editable=1)
• fixed a bug with ObjectSets containing DagNodes
• callbacks: extra debug information is printed in tracebacks

• skinCluster(q=1, geometry=1)
• addAttr(q=1, geometry=1)
• addDynamic()
• addPP()
• constraint()
• animLayer()
• annnotate()
• arclen()
• art3dPaintCtx()
• artAttrCtx()
• modelEditor(q=1,camera=1)
• dimensionShape()

• added TwoWayDict/EquivalencePair to utilitytypes
• added preorder(), postorder(), and``breadth()`` functions in util.arguments, which have more intuitive arguments
• added new Layout class that all layouts inherit from
• added UITemplate class
• added usable __iter__ to workspace dict / file dict objects
• added two tier setup scripts for maya (user/site) just like with python. This new siteSetup.py is intended for studio setup of maya and reserved userSetup.py for user level scripts.
• added a partial replacement maya package with a logger with a shell and gui handler qne changed plogging to use the new default maya logger
• added setAttr/getAttr support for all numeric datatypes, along with tests
• added Transform.getShapes() for returning a list of shapes
• added FileReference comparison operators
• added DependNode.longName(stripNamespace=False,level=0)
• added SkinCluster.setWeights()
• added AnimCurve.addKeys()
• added regex flag to ls command
• added FileInfo.get()
• added util.common.subpackages() function for walking package modules
• added util.conditions.Condition class for creating object-oriented condition testing
• pymel.conf: added a fileLogger
• added Path.canonicalpath() and Path.samepath()
• mel2py: added command-line flags, ability to recurse

• DependNode.attr() now casts aliases to Attributes properly (PyNode already does)
• added DependNode.listAliases()
• added 'alias' keyword to DependNode.listAttr()
• added Attribute.setAlias(), Attribute.getAlias()

• fixed instantiation of PyNode from MPlug instance
• fixed a bug where Maya version was incorrectly detected when Maya was installed to a custom location
• fixed bug where wrap of function which took multiple refs all pointed to same MScriptUtil
• fixed wrapping of unsigned ptr api types
• fixed negative comp indices
• mel2py: bugfix with mel2pyStr()

• added support for 2010 and python 2.6
• added basic support for all component types
• added a 'removeNamespace' flag to FileReference.importContents()
• added support for open-ended time ranges for command like keyframes (Issue 82)
• enhanced keyframe function: if both valueChange and timeChange are queried, the result will be a list of (time,value) pairs
• added ability to pass a list of types to ls 'type' argument, as you can with listRelatives
• added checkLocalArray and checkOtherArray arguments to Attribute.isConnectedTo which will cause the function to also test mulit/array elements
• improved core.language.pythonToMel() reliability on lists
• improved custom virtual class workflow
• added functionality to pymel.tools.py2mel for dynamically creating MEL commands based on python functions/classes
• added a new module pymel.api.plugins for working with api plugins in a more reasonable and automated fashion
• updated eclipse integration documentation

• setup now copies over a readline library for 2010 OSX using readline.so from toxik which is more compatible
• changed ipymel to be part of the default install instead of an extra package
• fixed interpreter path of ipymel and other executable scripts on OSX
• setup now detects and fixes invalid python installations on Linux which previously caused distutils and thus setup.py to fail

• importFile(), createReference(), loadReference(), and openFile() now return PyNodes when passed returnNewNodes flag (Issue 85)
• fixed rare bug with Vista where platform.system was failing during startup (Issue 87)
• fixed a bug with plugin loading to intelligently handle when callback does not get a name
• fixed optionMenu and optionMenuGrp to return empty lists instead of None
• restored core.other.AttributeName.exists() method
• fixed a bug in 0.7_compatibility_mode
• fixed minor bug in listRelatives()
• fixed a bug where curve command was returning a string instead of a PyNode (Issue 96)

• new feature: virtual subclasses. allows the user to create their own subclasses which are returned by PyNode
• added v2009sp1 and v2009sp1a to Version
• changed MelGlobals.__getitem__ to raise a KeyError on missing global, instead of a typeError
• util.path now supports regular expression filtering in addition to globs.
• moved moduleDir() from util to mayahook since it is explicitly for pymel.
• ensured that all default plugins are loaded when creating the api cache so that we can avoid calculating those each time the plugins are loaded
• added a new errors flag to recurseMayaScriptPath for controlling how to handle directory walking errors: warn or ignore
• moved pwarnings to ensure that pymel.util is completely separated from maya
• adding new sphinx documentation. modifying source docstrings where necessary.
• setParent now allows None arg to specify world parent
• adopted a standard setuptools-compliant package layout, with pymel as a subdirectory of the top level
• forced line numbers on for Mel.eval
• changed ipymel to use $MAYA_LOCATION to find mayapy instead of /usr/bin/env
• changed datatypes examples to demonstrate the necessity to include a namespace
• added groupname, get_groupname, and chgrp to Path class for dealing with unix groups as strings instead of as gid's
• added alias path.Path for path.path so as to follow PEP8
• added a new option to pymel.conf to allow disabling of mel initialization in standalone mode.
• added ability to set logger verbosity using PYMEL_LOGLEVEL environment variable. great for quick testing.

• fixed a bug in undoInfo()
• fixed a bug that was breaking mel2py
• fixed a bug with logging that was locking it to INFO level. INFO is now the default, but it can be properly changed in pymel.conf
• fixed input casting of datatypes.Time
• bug fixes in error handling within path class
• fixed issue 65: DependencyNode.listAttr() broken
• made sure NameParse objects are stringified before fed to MFnDependencyNode.findPlug()
• added a few more reserved types so as to avoid creating them, which can lead to crashes on some setups
• fixed issue 66 where nodes could be created twice when using PEP8 style class instantiation: pm.Locator
• path.walk* methods now properly prune all directories below those that do not match the supplied patterns
• maya bug workaround: changed pluginLoaded callback to API-based for 2009 and later
• fixed bug in hasAttr()
• removed bug in arrays.dot where incorrect duplicate definition was taking precedence
• fixed bug in PyNode.__ne__() when comparing DagNodes to DependNodes
• fixed Issue 72: cannot select lists of components
• fixed bug with startup on windows (backslashes not escaped)
• fix for Component('pCube1.vtx[3]')
• fix for nurbsCurveCV('nurbsCircle1') failing
• pythonToMel and Mel now properly convert datatypes.Vectors to mel vectors ( <<0,0,0>> ). MelGlobals now returns datatypes.Vectors
• fixed bug with duplicate(addShape=1)
• fixed a bug where selectionSets can't be selected
• fixed a bug with sets() when it returns lists
• fixed issue 76, where non-unique joint names were returned by pymel.joint and thus were unsuccessfully cast to nodetypes.Joint
• fixed issue 80, regading incorrect association of nodetypes.File with cmds.file.
• fixed a bug in connectAttr() that was preventing connection errors from being raised when the force flag was used