What's New in 3ds Max Python

This topic provides an overview of new features, changes, Python and PySide versions over the recent releases of 3ds Max.

3ds Max Python PySide pymxs API MaxPlus API
2020.3 Update Version: 2.7.15
Fixed issues with calling Python APIs from Maxscript caused by differences in case sensitivity between MAXScript and Python.
Version: 5.12.4 pymxs documentation improvements. See Using pymxs
2020.2 Update Version: 2.7.15
Python 3 Warning Mode. See Python 3 Warning Mode
Version: 5.11.2 Improved pymxs performance when accessing scene object attributes
2020 Version: 2.7.15 Version: 5.11.2 All MAXScript APIs now accept floating point values when called from Python through pymxs
2019.2 Update Version: 2.7.12 Version: 5.6.3 Improved pymxs performance when comparing scene nodes
2019.1 Update Version: 2.7.12 Version: 5.6.3 Improved pymxs performance when casting MAXScript object sets to Python lists.
Some MAXScript objects, such as scene nodes, can now be used as Python dictionary keys. See MAXScript Values in pymxs
2019 Version: 2.7.12 Version: 5.6.3
2018.4 Update Version: 2.7.12 Version: PySide2 - 5.6.2 Added support for passing Python lists as references to MAXScript functions. See pymxs.mxsreference()
2018 Version: 2.7.12 Version: PySide2 - 5.6.2 MakeQWidgetDockable() removed, replaced by the standard PySide approach
GetQMaxWindow() replaced by GetQMaxMainWindow(). GetQMaxWindowWinId() is also removed
MaxPlus::CUIFrame.Create() no longer works. Use PySide2 to create windows and dialogs.
2017 Version: 2.7.6 Version: 1.2.2, pysideuic pre-installed pymxs API introduced. See Using pymxs AppData Chunk API exposed in MaxPlus. See the demoAppChunk.py sample script
Quad Poly API exposed in MaxPlus. See the demoPolyObject.py sample script
SplineShape.UpdateShape() is added to update a spline in the 3ds Max scene.
2016 Service Pack 1 Version: 2.7.3 Version: 1.2 New: MaxPlus.AttachQWidgetToMax()
2015 Version: 2.7.3 Version: 1.2 GraphicsWindow class is removed, use the Viewport.GetDIB() method to obtain your active viewport graphics window as a bitmap. See Saving the active viewport graphics window as a bitmap for more information.
2014 Extension 1 Version: 2.7.3 Version: 1.2 MaxPlus API introduced. See Using MaxPlus Python