Houdini Main Changelogs

22.0.454

Fixed error handling in the the LOP Actions menu, when the selected node is not a LOP node.

昨日
22.0.454

The animation editor's top toolbar buttons now press/unpress to reflect the current selection state.

昨日
22.0.454

Enable individual layers of a UDIM to display in the viewport as they are loaded, while the UDIM is being loaded in the background. Old behavior was to show a blank placeholder for the whole texture, until the full UDIM was finished loading.

昨日
22.0.454

Fixed a bug where images from Copernicus nodes wouldn't load in the viewport, when referenced as environment light textures

昨日
22.0.454

Fixed a bug where text visualizers would draw with a black background

昨日
22.0.454

Fixed a bug where VDB SDF primitives wouldn't display in the viewport if a hair material was applied to them at the Object level

昨日
22.0.454

Fixed a bug where instanced fog volumes flicker when viewed from some angles

昨日
22.0.454

The Image ROP "Add AOVs" button can now be promoted to a locked container HDA. The callback it runs follows channel references so it will edit the parms on the container HDA as expected in this setup.

昨日
22.0.454

Improved license diagnostics so that it doesnt repeat basically the same license information twice thus reducing the size of the diagnostic file.

昨日
22.0.453

Fixed a bug where an embedded web view (including Help Browser) lost keyboard focus when the mouse moved off the pane.

木. 9月 24, 2026
22.0.453

Fixed several issues preventing IME text entry and search from working in the embedded Help Browser, including a Help server crash on non-ASCII search queries.

木. 9月 24, 2026
22.0.453

GU_RayPackedInfo::GU_RayPackedInfo() has a new 'usevisibility' argument and any HDK code calling it will not compile without being updated. GU_RayIntersect, GU_BVH and GU_RayPackedInfo have changed in ways that break ABI compatibility.

木. 9月 24, 2026
22.0.453

Fixed bug where ray intersect caches built to respect visibility did not respect visibility groups embedded inside packed primitives.

木. 9月 24, 2026
22.0.453

Fixed a bug where Stamp Points COP was placing the stamps in the wrong positions with a perspective camera and standard instancing attributes.

木. 9月 24, 2026
22.0.453

Fixed an issue with Karma crashing when USD attributes with mismatched type-name and storage-type (e.g., token[] vs string[]) are found.

木. 9月 24, 2026
22.0.453

Restarting the Karma delegate in the viewport now clears the cache of previously emitted "once-only" warnings/errors.

木. 9月 24, 2026
22.0.453

Fixed issue with Karma crashing when disabling Hydra Generative Procedurals in the viewport.

木. 9月 24, 2026
22.0.453

The LOP Import SOP has a new option to treat the primitive pattern as a point instance matching pattern. In this mode, point instances are matched individually, and imported as USD packed prims of the instance prototypes.

木. 9月 24, 2026
22.0.453

Fixed a bug where the Camera Import COP would only load the first frame of a time sampled USD. The COP now has the same controls has the LOP Import SOP to deal with time samples.

木. 9月 24, 2026
22.0.453

Fixed a bug where the Camera Import SOP would only load the first frame of a time sampled USD. The SOP now has the same controls has the LOP Import SOP to deal with time samples.

木. 9月 24, 2026
22.0.453

Rename the Houdini `package` Python package to `hpackage` to fix the conflict with rez.

木. 9月 24, 2026
22.0.452

Fixed a crash that could occur in hou.Parm.pressButton() if button's action somehow destroyed the parameter.

水. 9月 23, 2026
22.0.452

Fixed an issue with the Python Virtual Environment TOP not reporting a clear error message when it can't find the root directory for installing wheel files. Previously, it was outputting a formatting string as its error message without the values filled in.

水. 9月 23, 2026
21.0.848

Update Houdini's USD library to fix a performance issue when selecting from large point instancers.

水. 9月 23, 2026
22.0.452

Update Houdini's USD library to fix a performance issue when selecting from large point instancers.

水. 9月 23, 2026