: Introduced a reworked LookAt system allowing agents to dynamically switch targets based on proximity or velocity.

To ensure a stable and licensed installation, SideFX recommends using their official launcher. Houdini 19.5 System Requirements - SideFX

: The hair and fur toolset was completed, becoming a production-ready system with support for mirrored actions on asymmetrical grooms.

: Karma CPU became the official successor to the Mantra renderer. Karma XPU moved into beta, adding support for features like Subsurface Scattering and improved texture filtering.

: The "Dashbox" (Ctrl+D) was introduced as a global search interface to find nodes, parameters, and documentation quickly. System Requirements

Houdini 19.5 brought significant improvements across its toolset to make complex simulations more modular and accessible.

: FLIP fluids were made available as SOPs (Surface Operators) , moving away from monolithic setups toward modular, distributed workflows.