Added support for shrinking point groups on curves so that they properly shrink away from the end points of the group or other attribute and collision group boundaries.

Fixed an issue in the Agent SOP where locomotion was not factored out correctly when the locomotion joint was not animated and there was a branch immediately underneath it which did not have any animation.

Fixed a crash in the LOP Render state after pressing escape during a live drag of the render region.

Fixed a bug where subdividing a mesh with array attributes or attributes of invalid length would result in a crash.

When unpacking/packing HDAs from the asset manager and the backup folder is on another drive, move the old file/folder out of the way so that the pack/unpack operation can succeed.

Added HDK support for creating custom MocapStream device plugins and added a sample file to the toolkit/samples/mocapstream folder.

Fix hanging that could occur when evaluating parameters on compiled SOPs that have python code, where the cook of the compiled SOP is triggered from one of the following hou.Geometry methods:

• hou.Prim.geometry()
• hou.Vertex.geometry()

Added support for Kinefx Characters to the Character Picker. SOPs HDAs for Kinefx Characters can now be used with the Character Picker. Character Picker buttons can then be assigned to character joints, which will select these joints in the Viewer State

Fixed several edge cases when using sRGB textures as maps. For example, there were some cases where floating point sRGB images weren't properly converted to linear space for texturing.

Fixed a bug where a callback menu caused crash when animating.

Fixed a bug that would cause a multiparm's HAPI_ParmInfo::instanceCount to be incorrect after the multiparm count is modified outside of HAPI (such as by another parameter's callback script).

Poly Soup SOP will respect the ignore group toggle.

Fixed UI refresh issue of parameter label button when loading node presets.

Removed the dependency on the hdf5 shared library. This was needed so that users could utilize ML frameworks such as pytorch and tensorflow inside of Houdini.

• Fixed a bug in the KineFX viewer states with overridden volatile selectorswhich would cause the file to be saved when holding 's' and then pressingCtrl.
• Fixed a bug in the Orient Joints viewer state which prevented thepre-highlighted joints on the rig visualiser from being coloured when theShift and/or Ctrl keys were pressed.

Fix hanging that could occur when evaluating parameters on compiled SOPs that have python code, where the cook of the compiled SOP is triggered from one of the following hou.Geometry methods:

• new hou.Geometry() object using a SOP node
• hou.Geometry.isValid()
• hou.Geometry.freeze()
• hou.Geometry.iterPoints()

Fixed a bug where text selection was inconsistent. Dragging over the first character in the text editor caused the selection to flicker.

Fix a bug that could cause Houdini to permanently freeze when using the Layout LOP.

Added support for registering a preflight handler that PDG invokes before cooking the graph.

Fixed a bug where portal lights in pathtraced convergence mode with light sampling quality set to something other than 1 would result in wrong intensities.

Fixed a bug where calling Toggle Stowbars caused Houdini to crash.

Improve the performance of the light mixer attributes view when changing the selected light prim.

Fix Python exception when using the lightmixer panel or edit LOP UI with no scene viewers open.

Fix typo

Fixed an issue that could potentially cause slow UI performance (e.g. rendering the TAB menu) when drawing many icons that were not all in the same color space.