Releases & Changelogs

[needle-bot]

Needle Engine Blender Addon 1.0.2

• Fix: Bumped Needle Engine dependency to 5.0.4 to fix issue with audio- and video playback
• Fix: Environment opacity and strength wasn’t correctly exported from the Viewport Material Shading settings
• Fix: when in Solide Shading mode, the environment settings wasn’t exported from the Viewport Material Shading settings

Download Blender Addon Download Samples

[needle-bot]

Needle Engine Blender Addon 1.1.0

• Added: Needle AI integration — Blender scene tools for AI assistants (hierarchy search, object details, scene settings)
• Added: Collider gizmos for BoxCollider, SphereCollider and ViewBox
• Added: isTrigger property for SphereCollider and BoxCollider
• Fixed: Blender UI freezing periodically when Needle panel is visible (license check was blocking the main thread)
• Fixed: Open Preferences button not working in Blender 5

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Links

Download Blender Addon • Download Samples • Documentation • Live Samples

[needle-bot]

Needle Engine Blender Addon 1.1.1

• Add: more AI capabilities: object select, object transform, set component property, add component, component description
• Changed: include component category for component search
• Fixed: user components was missing type registration

Download Blender Addon Download Samples
Documentation Live Samples

[needle-bot]

Needle Engine 4.16.8

Needle Engine

• Fix: MaterialPropertyBlock multi-material change from opaque to transparent not applied correctly
• Fix: UI initialization bug caused by incorrect activeInHierarchy evaluation order (NE-6986)
• Fix: NeedleXRSession — prevent spurious onLeaveXR calls for scripts that never entered XR
• Fix: NeedleXRSession — inactive scripts no longer incorrectly detected as leaving XR

Unity Integration

• Add: Extra confirmation dialogue when updating Needle Engine to prevent accidental updates to alpha or pre-release versions
• Change: pin component compiler version-3

Download Unity Plugin Install from NPM
Changelog on Github Needle Engine API
Get started Samples

[needle-bot]

Needle Engine 5.0.5

Needle Engine

• Add: AudioSource spatial blend support via blend nodes
• Fix: AudioSource rolloff factor for spatial audio
• Fix: Animation — { exclusive: false } now correctly stops already-running animations when play() is called with the same clip
• Fix: NeedleXRSession — prevent spurious onLeaveXR calls for scripts that never entered XR
• Fix: NeedleXRSession — inactive scripts no longer incorrectly detected as leaving XR
• Fix: NeedleXRSession.isTrackingImages now includes "emulated" state — reticle no longer hides when tracking state is not perfect
• Fix: UI initialization bug caused by incorrect activeInHierarchy evaluation order (NE-6986)

Unity Integration

• Fix: Component compiler pinned to version-3 tag
• Bump: UnityGLTF to 2.19.4 — compatibility fixes for Unity 6.3–6.5

Download Unity Plugin Install from NPM
Changelog on Github Needle Engine API
Get started Samples

[needle-bot]

Needle Engine Blender Addon 1.1.2

• Addd: Audiosource Gizmo
• Fixed: Bumped Needle Engine dependency to 5.0.5 to fix issue with audio playback
• Fixed: XYZ space conversion for vec3 properties in Colliders, ReflectionProbe and Character Controller
• Fixed: ensure a mesh has any vertices before adding a Renderer component on export

Download Blender Addon Download Samples
Documentation Live Samples

[needle-bot]

Needle Engine 4.16.9

Needle Engine

• Fix: UI Text font URLs now resolve correctly when loading GLBs from external hosts (e.g. CDN or absolute URLs)

Download Unity Plugin Install from NPM
Changelog on Github Needle Engine API
Get started Samples

[Marcel_Wiessler1 (marwi)]

5.0.6

Needle Engine

• Fix: UI Text font URLs now resolve correctly when loading GLBs from external hosts (e.g. CDN or absolute URLs)
• Add: UI Text default static font served from Needle CDN, allowing users to provide absolute font URLs
• Add: DragControls EventList support
• Fix: OrbitControls lookBounds lerp
• Fix: CursorFollow no longer hits objects in self; fixed snapToSurface raycast

Unity Integration

• Bump: UnityGLTF to 2.19.5 (compiler fix for Unity 6.3)
• Improve: Editor connection stability — better error recovery, backoff, resource cleanup, and request debouncing

Download Unity Plugin Install from NPM
Changelog on Github Needle Engine API
Get started Samples

[needle-bot]

Needle Engine 5.1.0 alpha.3

Needle Engine

Added

• AudioClip type with standalone playback control — use with @serializable(AudioClip) for direct audio clip references
• AudioSource spatial blend support via dual-path audio graph for smooth 2D/3D crossfade
• UI Text default static font from Needle CDN with absolute font URL support
• DragControls EventList support

Fixed

• UI Text font URL resolution when loading GLBs from external hosts (e.g. CDN)
• AudioSource spatial rolloff factor and play() reliability
• Animation play() with { exclusive: false } not stopping already-running clips
• XR lifecycle — spurious onLeaveXR calls for scripts that never entered XR
• OrbitControls lookBounds lerp and distance-relative gizmo sizes
• CursorFollow self-intersection and snapToSurface raycast direction
• Vite makeFilesLocal and alias plugins now respect vite.config base
• three-mesh-bvh worker failing to load in local dev server
• VideoPlayer URL serializer tree-shaken out in code-only projects
• ReflectionProbe not cleaning up overrides when removed

Unity Integration

• Add: Extra confirmation dialog when updating to pre-release versions
• Fix: npm utilities and component compiler handling of “version-3” tag format
• Fix: Vite utilities and codegen now respect vite.config base setting
• Change: Bumped UnityGLTF to 2.19.5
• Improve: Editor connection stability — better error recovery, backoff, resource cleanup, and request debouncing

Download Unity Plugin Install from NPM
Changelog on Github Needle Engine API
Get started Samples