What's New in MAXScript in 3ds Max 2027

This topic gives you a quick overview of the MAXScript language changes and improvements in 3ds Max 2027 and updates. For details on each feature, please follow the links to the respective documentation pages.

New in MAXScript in 3ds Max 2027


Bitmap copy quality parameter	The `copy` function for bitmaps now takes an optional `quality` keyword parameter to determine how to copy when the source and destination bitmaps are of a different size.
D&D Support	The `materialbutton` and `mapbutton` ui controls now support drag and drop operations. The `on picked` event is now called when a material or texture map is dropped on them.
System Globals	Two new global system variables provide access to the macro recorder behavior: `macroRecorderEmitterEnabled` gets/sets whether the macro recorder emits messages to the Listener, and `macroRecorderEnabled` is a read-only variable that indicates whether the macro recorder is enabled.
callbacks.notificationEvent()	Added callbacks.notificationEvent() to get the callback event type name.
Interface methods	Added `getInterfaceID` and `getInterfaceName` as Interface Methods.
Additional keyword arguments for Interface functions	Added `includeActions:` and `includeMixins:` to getInterfaces and getInterface.
pathConfig methods	Added `addTrailingBackslash` and `removeTrailingBackslash` methods to pathConfig.
DX9 support removed	Removed Emulator TextureMap and ViewportSSB Interface as part of DX9 support removal.
Autodesk Assistant	Added core interface assist.
Boolean Modifier	Boolean Modifier per-operand data now accessible Boolean Modifier.
Extrude Modifier	Added `Extrude_Direction` parameter Extrude Modifier.
Spline Chamfer Modifier	Added `AutoWeld` and `UseRadius` parameters Spline Chamfer Modifier.
Autodesk360 Interface	Added `GetOAuth2AccessTokenA360` method to Autodesk360 Interface.
maxOps Interface	Added `ADPSessionID`, `ADPDeviceID`, and `suppressStartupDialogs` properties, and `GetSceneSaveDirectory` and `SetSceneSaveDirectory` methods to maxOps Interface.
gridPrefs Interface	Added `majorGridSpacing`, `minorSubdivisions`, `showSubdivisions`, `adaptiveGrid`, and `perspViewGridResize` properties to gridPrefs Interface.
New callback events	Added `#BitmapPreSave` and `#BitmapPostSave` callback events Bitmap Save Notifications.
#preRender callback event data	Added the node being rendered to the #preRender Rendering Notifications.
Bake multiple maps to one file	For render command keyword arguments, added `BakeToOneAll` and `BakeToOneSel` to `renderType`, added `bakeToOneMaps`, `numDilations`, and `bakesize`.
mergeMaxFile keyword arguments	Added `layers` and `mergeNodesByLayer` keyword parameters to mergeMaxFile.
getMaxFileObjects keyword arguments	Added `layers` and `mergeNodesByLayer` keyword parameters to getMaxFileObjects.
getMaxFileObjects returned data	Additional per-node data returned by getMaxFileObjects.

New in MAXScript in 3ds Max 2027.1


Scene Converter	Added the ability to register class IDs in Scene Converter to automatically and silently remove instances on file load. See RegisterAutoRemoveClassID.
skinOps reload ini	Added `skinOps.reloadIni()` to Skin Modifier Methods.
units save config	Added `units.SaveConfig()` to Units Structure.
maxOps Interface	Added File Load/Merge Unit Handling Behavior methods to maxOps Interface.
loadMaxFile	Added `ignoreFileUnits:` keyword parameter to loadMaxFile and mergeMaxFile.
Multi Material	Added method `UpdateNumDisplayedSubs` to Multi Material to set how many sub-material slots are visible in the UI.

New in MAXScript in 3ds Max 2027.2


FileStream and StringStream skipToNextLine added keyword	Added keyword `errorAtEOF` to FileStream and StringStream `skipToNextLine` function.
String regex search	The `findString` function for Strings now takes an optional `useRegex` keyword parameter to specify that the search string should be handled as an regex.
FBXExporterGetParam and FBXImporterGetParam added keywords	Added keywords `to` and `enumAsString` to FBXExporterGetParam and FBXImporterGetParam.
Name Value round tripping	Name Value round tripping streams is now supported. See Name Values.
Color Management	Added `.ModifiedOCIOConfigPath` and `.MonitorICCProfilesEnabled` properties, and `includeMonitors` keyword argument for `GetDisplayList()` method to the ColorPipelineMgr interface for per-monitor ICC profile support.