Houdini Main Changelogs

20.5.750

Fixed PDG Output Actor parenting not working.

today
20.5.750

Fixed PDG Output filter not being settable.

today
21.0.502

Fixed PDG Output Actor parenting not working.

yesterday
21.0.502

Fixed PDG Output Filter not being settable.

yesterday
21.0.500

Fixed a crash in Motion Mixer parameter editor.

Fri. October 10, 2025
21.0.500

Updated the Transform Driver Added support for offsets on the driver and offset controls for the driven nodes. Also added an option to choose between parenting and constraining the driven nodes.

Fri. October 10, 2025
21.0.499

Fixed Flipbook ROP rendering of fog volumes in worklight mode.

Thu. October 9, 2025
21.0.499

HOUDINI_DISABLE_OPENFX_DEFAULT_PATH is now set by default. Set this environment variable to 0 if you want Houdini to automatically seek OpenFX plugins in the default locations.

Thu. October 9, 2025
21.0.499

Backslashes are now handled properly in hou.hipFile callbacks.

Thu. October 9, 2025
21.0.499

Fix Edit Animation dialog of the SceneAnimate SOP when locator tool is present.

Thu. October 9, 2025
21.0.499

Added Flatten Faces parameter to Crystal Noise COP.

Thu. October 9, 2025
21.0.499

Updated Foot component to be more robust in handling ball postitions and rotations when setting it up. Updated how the middle control defualt rotation is handled in the spline component. Increased the bias for the findPrimaryAxis subgraph.

Thu. October 9, 2025
21.0.498

Clarified that the HOUDINI_OIIO_MAX_STAT_LENGTH specifies the length of the string in bytes.

Wed. October 8, 2025
21.0.498

Fixed an issue in Orient mode in the Curve state that resulted in the orient rings jumping to an unexpected rotation when initially pressed after a previous rotation was performed.

Wed. October 8, 2025
21.0.498

Fixed an issue in Orient mode in the Curve state where the orient rings would not drag properly when Align to Curve Tangent is disabled.

Wed. October 8, 2025
21.0.498

LOP output processors will no longer produce errors calling shouldSave when saving layers with backslashes in their paths (the backslashes will be converted to forward slashes automatically).

Wed. October 8, 2025
21.0.497

XPU: "bump shadow terminator" geometry setting now supported

Wed. October 8, 2025
21.0.498

Fixed error in Otis Muscle and Tissue Configure SOP where Detail Attribute dropdown caused an error to popup.

Wed. October 8, 2025
21.0.498

Fixed broken motionblur option on the Flipbook ROP.

Wed. October 8, 2025
21.0.498

Fixed a bug where karma could crash if there was a constant "widths" attribute with no motion segments when rendering motion blurred geometry.

Wed. October 8, 2025
21.0.498

Primitive color is properly shown on SDF volumes and VDBs in the viewer.

Wed. October 8, 2025
21.0.497

Fixed volume bounding box not updating in LOPs.

Tue. October 7, 2025
20.5.745

Adds selected prims to the Constraint LOP nodes' last modified prims. Adds the Constraint nodes to the selected prims' Editor Nodes.

Tue. October 7, 2025
21.0.497

Added database vacuuming as a recurring background task in HQueue.

Tue. October 7, 2025
21.0.497

Fixed crash in Quad Remesh SOP related to GTLF mesh data that is composed of piecewise patches.

Tue. October 7, 2025