Houdini Main Changelogs

21.0.738

Fixed a bug in karma CPU where volumes with velocity blur (under Lattice Deformation mode) would fail to render when using orthographic camera whose direction is axis-aligned.

昨日
21.0.738

Updated the Texture Mask Paint state to make it is easier to use with custom HDAs.

昨日
21.0.738

Fixed a possible crash when applying displacement to degenerate curve mesh with zero curves.

昨日
21.0.738

Fixed a Python error that is raised by the GLTF Hierarchy node when importing a glTF file that has Unicode characters in the imported scene's node names.

昨日
21.0.738

Fixed a bug on the multiik component where the rigid toggle would break the rig when used.

昨日
21.0.737

Internal update to how we validate logins through hkey.

木. 6月 4, 2026
21.0.736

Fixed a bug where "Override Curve Basis" parameter in Karma Render Settings LOP is set to invalid expression upon creation.

水. 6月 3, 2026
21.0.735

Fixed a bug with PDG networks cooked from HAPI not running in-process HDA Processor or ROP Fetch work items.

火. 6月 2, 2026
21.0.735

Updated the USD library to incorporate a number of fixes related to rendering USD scenes:

  • Material assignment issues on point instanced assets.
  • Visualize node disconnection not updating the material.
  • Switching a Copy to Points node from Point Instancer to InstanceableReferences makes the instances disappear.
  • Non-deterministic cryptomatte ids on point instances.
火. 6月 2, 2026
21.0.735

Fixed faceting issue with COP Preview Material in non MikkT mode where the material was incorrectly overwriting the input geometry normal attribute that caused the faceting issue.

火. 6月 2, 2026
21.0.734

Updated the ZibraVDBForHoudini plugin to v1.3.3.0. This adds support for Solaris workflows including a new LOP ZibraVDB Import node to bring ZibraVDB volumes directly into the LOP network, a ZibraVDB USD Asset Resolver which decompresses ZibraVDB grids into OpenVDB on the fly, and a ZibraVDB Output Processor which links imported ZibraVDB files into a USD file on export (using the USD ROP node).

月. 6月 1, 2026
21.0.734

Add getVKProjectionMatrix() function to GR_Uniforms, to get the projection matrix with GL-to-VK correction applied

月. 6月 1, 2026
21.0.731

Fixed bug where applying preferences dirtied the current session.

金. 5月 29, 2026
20.5.979

Fixed an HQueue bug where the client failed to send job output to the server if the output contained a character prohibited by the XML RPC specification.

金. 5月 29, 2026
21.0.731

Fixed an HQueue bug where the client failed to send job output to the server if the output contained a character prohibited by the XML RPC specification.

金. 5月 29, 2026
20.5.979

Fix python exception about RebuildException.

金. 5月 29, 2026
21.0.731

Fixed crash in the Attribute Copy SOP when using vertex groups with no vertices.

金. 5月 29, 2026
21.0.730

Fixed double-clicking behaviour in the animation editor.

  • Double-clicking on a value handle now properly restricts selectionto the clicked channel.
  • Ctrl+shift+double click now properly deselects value handles.
木. 5月 28, 2026
21.0.729

Otis Muscle and Tissue Configure SOP now has warnings if your incoming muscle or tissue geometry has a `tiny_tets` group.

水. 5月 27, 2026
21.0.729

Fixed a bug in Otis Muscle and Tissue Configure SOP where targetshapes were blended with the starting position of muscles instead of the tpose. This bug was most evident if the starting position was rotated 180 degrees relative to the t-pose. Any Otis simulation utilising target shapes with the starting position transformed from tpose will have different results to before.

水. 5月 27, 2026
21.0.729

Fixed potential errors drawing curve guide geos after hiding a node and making it visible again, due to an incomplete update

水. 5月 27, 2026
21.0.728

Fixed a bug in Poly Split 2.0 SOP where vertex UV attributes become distorted where polygons are split.

火. 5月 26, 2026
20.5.976

Fixed a bug in Poly Split 2.0 SOP where vertex UV attributes become distorted where polygons are split.

火. 5月 26, 2026
20.5.976

Fixed a bug in Poly Split 2.0 SOP where vertex UV attributes become distorted where polygons are split.

火. 5月 26, 2026
21.0.728

Fixed a bug in Poly Split 2.0 SOP where vertex UV attributes become distorted where polygons are split.

火. 5月 26, 2026