Houdini Main Changelogs

21.0.534

Fixed wrong clamping logic on Reaction Diffusion Block End.

Thu. November 13, 2025
21.0.534

Fixed a python error in the Curve state when using midpoint snapping.

Thu. November 13, 2025
21.0.534

Added missing documentation link for MPM Shelf tools

Thu. November 13, 2025
21.0.534

Fixed a bug where the APEX Control Extract SOP would fail to compute the default positions of rig controls that relied upon the rig's input geometries.

Thu. November 13, 2025
21.0.534

Added missing documentation for Shockwave Fireball on the SOP Pyro FX shelf.

Thu. November 13, 2025
21.0.533

Fix a bug in the Ragdoll Posing Tool in the animate state where the scroll wheel would not apply gravity.

Wed. November 12, 2025
21.0.532

XPU: stencil-map now reads from "st" stream matching KarmaCPU (previously it was "uv" stream). This fixes an XPU vs CPU difference if both "st" and "uv" streams exist on the mesh, usually via to instancing.

Wed. November 12, 2025
21.0.532

XPU: stencil-map now reads from "st" stream matching KarmaCPU (previously it was "uv" stream). This issue only occurs when both "st" and "uv" streams exist on the mesh, usually via to instancing.

Wed. November 12, 2025
21.0.533

Extra arguments added to the command line string usnig the Image Magick TOP can now have their position in the string changed using a parameter.

Wed. November 12, 2025
21.0.533

Fixed a bug in the APEX Animate viewer state where the tools would not add undos when posing abstract controls or when clicking and dragging transform controls.

Wed. November 12, 2025
21.0.533

Updated Test Geometry: Otto Muscle and Tissue Simulation Recipe to use correct default values on Muscle Solidify and Fiber Groom nodes. Existing files will remain unchanged, but creating new instances of the recipe will result in different, but better, simulation results to before.

Wed. November 12, 2025
21.0.533

Removed misleading comment from the HAPI.h comment documentation of HAPI_GetAvailableAssets().

Wed. November 12, 2025
20.5.781

Fixed MaterialX atan node bug in the viewer (parameters reversed).

Wed. November 12, 2025
21.0.533

Fixed MaterialX atan node bug in the viewer (parameters reversed).

Wed. November 12, 2025
21.0.533

Fixed occasional MaterialX shader compile error with GLTF Image nodes.

Wed. November 12, 2025
21.0.532

Fixed a bug where large images couldn't be imported to the viewport from COPs, if Vulkan to OpenCL interop was disabled

Tue. November 11, 2025
21.0.532

Fix a bug where using the fuse graph with existing nested subnets broke the fuse process

Tue. November 11, 2025
21.0.532

Rig State: Added support to change the number of twist controls for the limb components

Tue. November 11, 2025
21.0.532

Fixed a bug where the initial drag was broken on the Apex Rig Builder if no input skeleton was provided

Tue. November 11, 2025
21.0.531

Fixed a bug in karma CPU where mipmapped textures could sometimes access unneeded tiles, leading to wasted memory and IO.

Mon. November 10, 2025
20.0.1251

Fixed a bug with translating USD NurbsCurves primitives to SOP geometry, where an incorrect number of values was required for primvars with 'varying' interpolation.

Mon. November 10, 2025
20.5.779

Fixed a bug with translating USD NurbsCurves primitives to SOP geometry, where an incorrect number of values was required for primvars with 'varying' interpolation.

Mon. November 10, 2025
21.0.531

Fixed a bug with translating USD NurbsCurves primitives to SOP geometry, where an incorrect number of values was required for primvars with 'varying' interpolation.

Mon. November 10, 2025
21.0.531

Fixed Portal Light transformation such that the prim is aligned with the visible guide in the viewport.

Mon. November 10, 2025
21.0.531

Fixed potential error in primitive agent draw, caused by updates to shared descriptor set

Mon. November 10, 2025