Houdini Main Changelogs

20.5.950

Prevents a possible hang when using the default Quadrilaterals hole filling method on the Poly Fill SOP.

Thu. April 30, 2026
21.0.702

Prevents a possible hang when using the default Quadrilaterals hole filling method on the Poly Fill SOP.

Thu. April 30, 2026
20.5.950

Prevents a possible hang when using the default Quadrilaterals hole filling method on the Poly Fill SOP.

Thu. April 30, 2026
21.0.702

Prevents a possible hang when using the default Quadrilaterals hole filling method on the Poly Fill SOP.

Thu. April 30, 2026
22.0.308

Prevents a possible hang when using the default Quadrilaterals hole filling method on the Poly Fill SOP.

Thu. April 30, 2026
22.0.308

Prevents a possible hang when using the default Quadrilaterals hole filling method on the Poly Fill SOP.

Thu. April 30, 2026
22.0.308

In the animation editor, you can type `+=10`, `*=10` etc to shift the time/value of keys. Notably, you can now type `-=` to shift keys to the left. Typing `-` is still interpreted as directly setting keys to a negative value.

Thu. April 30, 2026
22.0.307

Added an option to enable/disable the use of Unreal's Mesh Description structures in HDA Inputs. The Mesh Description may not be accurate when using procedurally generated meshes, such as those created in Modelling Mode.

Wed. April 29, 2026
21.0.701

Fixed bugs editing sticky note text containing newlines.

Wed. April 29, 2026
22.0.307

Fixed bugs editing sticky note text containing newlines.

Wed. April 29, 2026
20.0.1421

Added environment variable KARMA_ALBEDO_AOV_DIFFUSE which can be set to 1 to force built-in albedo AOV to output albedo of just diffuse BSDF components instead of every BSDF.

Wed. April 29, 2026
22.0.307

For the Bone Deform SOP and Joint Deform SOPs fix incorrect quaternion attribute (eg. orient) deformation when Use OpenCL is disabled.

Wed. April 29, 2026
22.0.307

For the Bone Deform SOP and Joint Deform SOPs fix incorrect quaternion attribute (eg. orient) deformation when Use OpenCL is disabled.

Wed. April 29, 2026
21.0.701

Fixed a bug in Poly Extrude 2.0 SOP where the "Copy Edge Group" toggle was having no effect.

Wed. April 29, 2026
21.0.701

Fixed a bug in Poly Extrude 2.0 SOP where the "Copy Edge Group" toggle was having no effect.

Wed. April 29, 2026
22.0.307

Fixed a bug in Poly Extrude 2.0 SOP where the "Copy Edge Group" toggle was having no effect.

Wed. April 29, 2026
22.0.307

Fixed a bug in Poly Extrude 2.0 SOP where the "Copy Edge Group" toggle was having no effect.

Wed. April 29, 2026
22.0.306

Added the ability to re-pull Bezier tangents in Curve Animate with ctrl+drag, fixed a python error with the state in the compositor viewer, and fixed an issue with tangent points not getting highlighted when located.

Tue. April 28, 2026
21.0.700

Removed dead code from PCG files.

Tue. April 28, 2026
21.0.700

Fixed an issue where baked objects could be deleted if baking a landscape.

Tue. April 28, 2026
22.0.306

Added separators between the animation editor toolbar buttons. Added a RMB menu and a corresponding hotkey to reset the box handle's pivot.

Tue. April 28, 2026
22.0.306

Fixed "Bold Non-Integer Keys" not having any effect in the animation editor.

Tue. April 28, 2026
21.0.700

Fixes geometry light emission evaluation when kma_roundededge shader is wired in. Previously the kma_roundededge shader was not invoked on emission evaluation for geometry light.

Tue. April 28, 2026
22.0.306

Edit Material Network LOP now uses the position stored in the USD shader primitives to lay out the loaded shader VOP nodes.

Tue. April 28, 2026
22.0.306

The animation editor's background colours update immediately when the playback range is changed. The color of selected/located keys updates immediately when the theme is changed.

Tue. April 28, 2026