New Global Functions

• DisplayOutOfMemoryWarning() - shows an out of memory warning dialog box informing the user that they should save their data and shut down 3ds Max.

New Classes

• IBaseGrip - A pure virtual interface for implementing grips.
• IBitmapIO_Rgb - Represents the interface for the Bitmap IO RGB format. The interface ID is defined as BMPIO_INTERFACE.
• IContainerObject13 - Extends container object functionality. In particular it provides support for new access rules that inherited containers may follow.
• IContainerPreferences - This interface provides access to the container preferences.
• IGripManager - The interface to the functionality for using the grip manager.
• ILockedContainerUpdate - An interface for plug-ins that may need to augment the new container update process.
• IContainerUpdateReplacedNode - Provides an interface to retrieve what new node will replace an existing one during the local edit process of containers.
• IMNMeshUtilities13 - extends the MNMeshUtilities class, adding new functionality applied on a MNMesh. The added functions are used for selecting sub-object loops or rings when the Shift key is pressed
• INamedSelectionSetManager - The user may use functions exposed by this class to manage all the named selection sets of objects.
• Interface13 - Extends Interface12.
• ObjectDefinitionChangeNotificationParam - A parameter that accompanies the new notifications: NOTIFY_OBJECT_DEFINITION_CHANGE_BEGIN and NOTIFY_OBJECT_DEFINITION_CHANGE_END.
• PickClassCallback - This allows added filtering of classes that the user will be able to choose from in Interface13::DoPickClassDlg().
• ViewExp13 - Extends ViewExp11.
• MAXRootScene - Exposes a new object to MAXScript that represents the scene.

New Enums

• PRODUCT_VERSION_EMR
• mtlDlgMode

New Notifications

• NOTIFY_CLASSDESC_ADDED - Sent after new a ClassDesc or ClassDesc2 has been registered with 3ds Max.
• NOTIFY_COLOR_CHANGE - Sent when one of the custom colors managed by 3ds Max is redefined. See the functions: GetUIColor(), SetUIColor(), and GetDefaultUIColor().
• NOTIFY_OBJECT_DEFINITION_CHANGE_BEGIN - Sent immediately before object instances are updated to a new object definition.
• NOTIFY_OBJECT_DEFINITION_CHANGE_END - Sent immediately after object instances are updated to a new object definition. See also REFMSG_OBJECT_DEFINITION_CHANGE_END and the struct ObjectDefinitionChangeNotificationParam.
• NOTIFY_NAMED_SEL_SET_POST_MODIFY - Sent after the node set of a named selection set has been changed.
• NOTIFY_NAMED_SEL_SET_PRE_MODIFY - Sent before the node set of a named selection will be changed.
• NOTIFY_POST_MAXMAINWINDOW_SHOW - Sent immediately after the main window of 3ds Max is shown.
• NOTIFY_PRE_MAXMAINWINDOW_SHOW - Sent when the main window of 3ds Max is about to show.

New Reference Messages

• REFMSG_OBJECT_DEFINITION_CHANGE_BEGIN - Sent immediately before an object instance is updated to a new object definition. See also NOTIFY_OBJECT_DEFINITION_CHANGE_BEGIN.
• REFMSG_OBJECT_DEFINITION_CHANGE_END - Sent immediately after an object instance is updated to a new object definition. See also NOTIFY_OBJECT_DEFINITION_CHANGE_END.

New Macros

• ALPHA_RENDER_ELEMENT_CLASS_ID
• CUI_MINIMIZED_DOCK
• CUI_MINIMIZED_DOCKABLE
• DECLARE_LOCAL_GENERIC_CLASS
• DEFINE_LOCAL_GENERIC_CLASS
• DEFINE_LOCAL_GENERIC_CLASS_DEBUG_OK
• DL_TYPENAME_OUTSIDE_TEMPLATE
• EPOLY_MOD13_INTERFACE
• EDIT_POLY_MODIFIER_CLASS_ID
• GetEPolyMod13Interface
• GetIGripManager
• I_LIGHTOBJ
• IGRIPMANAGER_INTERFACE
• IID_CONTAINER13
• IID_IContainerPreferences
• IID_NAMED_SELECTION_SET_MANAGER
• ILLUMINANCE_RENDER_ELEMENT_CLASS_ID
• IMNMESHUTILITIES13_INTERFACE_ID
• LIGHTING_RENDER_ELEMENT_CLASS_ID
• LOCKMAT_CLASS_ID
• MATERIALID_RENDER_ELEMENT_CLASS_ID
• MAX_RELEASE_R13_ALPHA
• MAX_RELEASE_R13
• OBJECTID_RENDER_ELEMENT_CLASS_ID
• RGBIO_INTERFACE
• SHADOWS_RENDER_ELEMENT_CLASS_ID
• SNAP_USE_XFORM_AXIS_AS_START_SNAP_POINT
• UNUSED_PARAM

Removed Macros

• DISPLAY_XRAY
• HIGHPRIORITY
• IMAGE_LOAD
• is_msplugin_class
• is_objectset
• LOWPRIORITY

Removed Classes

• IReagent
• IValence