Houdini Main Changelogs

20.5.587

Fix a crash related to ButtonStrip and empty icon name.

Fri. May 2, 2025
20.5.587

    Added a "Joint Display Scale" parameter to the Fbx Animation Output and    Fbx Character Output ROP nodes to modify the default display size of joints in     the FBX file. This ensures users opening the FBX in an external DCC are able    to easily view and select the joints.

Fri. May 2, 2025
20.5.586

Fixed a bug where fog volumes would occlude the infinite floor grid in the Vulkan viewport, if drawing in unlit mode

Thu. May 1, 2025
20.0.1057

Added support for Maya 2026.

Wed. April 30, 2025
20.5.585

Added support for Maya 2026.

Wed. April 30, 2025
20.5.585

Fixed a Python exception when using a TOP Fetch to cook a TOP Geometry SOP node.

Wed. April 30, 2025
20.5.585

Fixed a painting artifact in the Qt 6 build where some Houdini tree views painted the tree branch part of a selected row bolder than the rest of the selected row.

Wed. April 30, 2025
20.5.584

Fixed a bug on linux where houdini was incorrectly thinking systemd was available causing houdini to use systemd to restart hserver. This would of course fail causing hserver to not be restarted resulting in licensing errors.

Tue. April 29, 2025
20.0.1056

Added a LOP Network parameter that causes LOP nodes inside the network to start a new active layer if the input node exceeds the specified number of modified prims.

Tue. April 29, 2025
20.5.584

Restored usage of the embedded help browser on modern Linux distros such as RHEL 9+, Rocky 9+ and other binary equivalent OSes.

Tue. April 29, 2025
20.5.583

Fixed a bug with the Retime Instances LOP where native instances wouldn't find the specified timescale primvar.

Tue. April 29, 2025
20.5.583

In the lightmixer's tool menu, indicate which subnet the lights will be added to and add an entry to create a new subnet to put them in.

Mon. April 28, 2025
20.5.583

Fixed Python errors on the ROP Karma Render TOP when using the Render to Disk or Render to MPlay manual render buttons.

Mon. April 28, 2025
20.5.583

The "Command Prefix" parameter on the USD Render Files TOP can now be configured to replace the entire Husk executable, instead of just being added as a prefix.

Mon. April 28, 2025
20.5.583

The Edit Context Options panel now cleans up its option change callbacks when the window is closed.

Mon. April 28, 2025
20.5.583

Added a LOP Network parameter that causes LOP nodes inside the network to start a new active layer if the input node exceeds the specified number of modified prims.

Mon. April 28, 2025
20.5.583

Add low-level HOM method, hou.OpNode.invalidateOutput(), that allows python scripts to invalidate nodes due to external changes.

Mon. April 28, 2025
20.5.581

Fixes a bug with the Modify Point Instances LOP where PIs with ids would be mismatched.

Sat. April 26, 2025
20.5.580

Fixes a bug with the RBD Procedural LOP where the points primitive fails to use angularVelocities for rotational blur.

Sat. April 26, 2025
20.5.580

Bumped the HDK ABI version due to changes in HOM that affect ABI compatibility.

Fri. April 25, 2025
20.5.580

Added hou.Geometry.primTypeNames() and hou.Geometry.primTypeLabels() to return a list of all primitive type names / labels, including custom primitive types loaded at runtime.

Fri. April 25, 2025
20.5.580

Fix the ability to select sliders in the Light Mixer LOP in Qt6 builds.

Fri. April 25, 2025
20.5.579

Fixed an issue with Karma that prevented the "overrideobject" property from working properly.

Thu. April 24, 2025
20.5.579

Fixed a typo in an error message in APEX Script when attempting to use a namespaced callback without the 'apex.' prefix.

Thu. April 24, 2025
20.5.579

Fixed warnings about the "RunCommandForRepository" option being ignored when submitting Deadline jobs from the Deadline Scheduler TOP node and with the Repository Path parameter checked on.

Thu. April 24, 2025