Fix a crash related to ButtonStrip and empty icon name.

    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.

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

Added support for Maya 2026.

Added support for Maya 2026.

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

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.

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.

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.

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

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

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.

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

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.

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

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.

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

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

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

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.

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

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

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

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.