Houdini Main Changelogs

21.0.690

The Configure Property LOP can now set elementSize metadata on attributes that are not primvars. Though this has no built in USD meaning on non-primvar attributes, it is still a useful convention already used by SOP Import when importing a fixed-tuple-size attribute.

yesterday
21.0.689

Fixed bug where HAPI_RESULT_INVALID_SESSION was being returned by some functions instead of HAPI_RESULT_NO_LICENSE_FOUND when a license error occured.

Fri. April 17, 2026
21.0.688

Fixed missing wireframe curves when turning off Shade Open Curves on ribbons in No Lighting mode.

Thu. April 16, 2026
21.0.688

Fixed bug where long team condition would cut off the team list.

Thu. April 16, 2026
21.0.688

Add support for querying if an SHFS file is installed using python.

Thu. April 16, 2026
21.0.688

Add support for viewing users from grouped licenses.

Thu. April 16, 2026
21.0.688

Fixed bug on OSX where a no license prompt from houdini was hanging.

Thu. April 16, 2026
20.0.1407

Fixed a bug in the SOP Import LOP where NURBS curves with animated topology did not author time samples for attributes such as 'knots'

Wed. April 15, 2026
20.5.935

Fixed a bug in the SOP Import LOP where NURBS curves with animated topology did not author time samples for attributes such as 'knots'

Wed. April 15, 2026
21.0.687

Fixed a bug in the SOP Import LOP where NURBS curves with animated topology did not author time samples for attributes such as 'knots'

Wed. April 15, 2026
21.0.687

Fixed an issue where partitions were not properly being displayed in hkey and sesinetd was not properly removing partition rules.

Wed. April 15, 2026
21.0.686

Fixed a bug where backfaces woundn't be drawn in the selection highlight overlay

Tue. April 14, 2026
21.0.686

Improved hkey startup speed for some users.

Tue. April 14, 2026
21.0.686

Fixed a bug where sesinetd was incorrectly reporting usage in certain cases.

Tue. April 14, 2026
20.5.934

Fixed a bug where sesinetd was incorrectly reporting peak usage in certain cases.

Tue. April 14, 2026
21.0.685

Fixed a bug in the APEX Animate viewer state preventing the "Bake to New Layer" toggle in the "Bake" menu from working.

Mon. April 13, 2026
21.0.685

Fixed a bug where geometry would disappear if rendered with shadows or scene lighting while some render modes were active including: edge select, edge boundary overlay, group overlay, or selectable-template rendering

Mon. April 13, 2026
21.0.685

Fixed a bug where updating the parameters of an APEX Graph node would not mark a flag to cause a recompilation of the graph. This would results in future evaluations of the graph using the old node parameter values.

Mon. April 13, 2026
21.0.685

Fixed an SHFS bug on OSX/Linux where installing SHFS files from Houdini using the launcher would cause the files to be placed in root directories instead of under the SHFS directory.

Mon. April 13, 2026
21.0.682

Apply slight depth offset to geometry marked as selectable-template to avoid being drawn over active geometry in cases where they perfectly overlap

Fri. April 10, 2026
21.0.682

Fix errors that could occur in RV_Geometry after clearing all connect groups or after freeing instance attributes

Fri. April 10, 2026
21.0.682

Fixed a crash that could occur if a packed prim's base primitive had 0 points

Fri. April 10, 2026
21.0.682

Undo actions accidentally left open are now automatically closed whenever 5 seconds have elapsed, provided no mouse buttons are being pressed and no UI events are occurring.

The timeout value (in seconds) can be changed via the newly added HOUDINI_UNDO_IDLE_TIMEOUT environment variable, or disable entirely if set to 0. Set the environment variable HOUDINI_ENABLE_UNDO_BUG_NOTIFY=1 to receive notifications when these checks have performed an action.

Fri. April 10, 2026
21.0.682

Fix APEX Scene Animate viewport state issue where controllers were still pickable when guides were turned off in the display options and not being displayed.

Fri. April 10, 2026
21.0.682

Improve speed when creating Autorig Component SOP nodes.

Fri. April 10, 2026