Core

Trees and tree references are identified using #
BT Scripts have *.pbt as file extension. The parsing of the scripts are cached during asset import which significantly increase initialization performance at runtime
Variables
Added support for async task
Add Link To parameter to PandaLinker. Now it is possible to declare tasks for all PandaBehaviours in the scene.
Added an icon for the PandaLinker component.
Updated Shooter example graphics.
Added support for Visual Scripting Variables.
Variable can be accessed from the PandaBehaviour with the variables property and the GetVariable method.
More expressions error checking.
Added support for methods with default parameters.
Added support for methods with variable number of arguments (params keyword).
GC Alloc optimizations - 0 B allocated after initialization excepted for methods with value parameters.
Decoupled from Visual Scripting (no compile error if Visual Scripting package is not installed)
Built-in [PandaTasks] are now defined on a prefab located at PandaBT2/Config/Resources/PandaBTSettings.prefab. You can attached your own [PandaTasks] under this GameObject to make them available to all PandaBehaviour components in your project.
Variable can now be passed by reference the '&' prefix
Added null literal in BT Script:Set &Target null
Added support for nullable value type.

Panda BT 2