# Top **URL:** https://forum.needle.tools/top.md [Latest](https://forum.needle.tools/latest.md) · [Categories](https://forum.needle.tools/categories.md) · [Tags](https://forum.needle.tools/tags.md) --- ## [Characters missing in chinese and japanese fonts](https://forum.needle.tools/t/characters-missing-in-chinese-and-japanese-fonts/2813)
**Author:** [@Ashokkumar\_KR](https://forum.needle.tools/u/Ashokkumar_KR)\ **Replies:** 30\ **Last updated:** [March 30, 2026, 6:42am UTC](https://forum.needle.tools/t/characters-missing-in-chinese-and-japanese-fonts/2813 "2026-03-30T06:42:56Z")
Hi, the project uses Unity legacy text with Roboto-Medium as its font. The MSDF generated for it misses some characters from the Chinese and Japanese languages. So my question is, the way to handle this is by generating … --- ## [4.16.0+ component generator regression](https://forum.needle.tools/t/4-16-0-component-generator-regression/2806)
**Author:** [@krizzl0r](https://forum.needle.tools/u/krizzl0r)\ **Replies:** 30\ **Last updated:** [March 23, 2026, 4:00pm UTC](https://forum.needle.tools/t/4-16-0-component-generator-regression/2806 "2026-03-23T16:00:05Z")
Hi @Marcel\_Wiessler1 , trying to upgrade to 4.16.0 (mainly for the editor sync) and now the new compgen seems to pick up more members and do more work than before. Here’s what breaks the cs compiler: Public methods re… --- ## [Rapier3d physic bug](https://forum.needle.tools/t/rapier3d-physic-bug/2807)
**Author:** [@oot4chi](https://forum.needle.tools/u/oot4chi)\ **Replies:** 20\ **Last updated:** [April 3, 2026, 10:21am UTC](https://forum.needle.tools/t/rapier3d-physic-bug/2807 "2026-04-03T10:21:57Z")
needle engine 4.16 unity 6000.0.69f1 Uncaught Error: recursive use of an object detected which would lead to unsafe aliasing in rust at B.wbg.\_\_wbindgen\_throw (rapier3d.CxarogEY.js:1:73756) at 005fccd2:0x16c706 at 0… --- ## [Look around and click buttons in browser](https://forum.needle.tools/t/look-around-and-click-buttons-in-browser/2884)
**Author:** [@joostbos](https://forum.needle.tools/u/joostbos)\ **Replies:** 22\ **Last updated:** [October 1, 2026, 6:46am UTC](https://forum.needle.tools/t/look-around-and-click-buttons-in-browser/2884 "2026-10-01T06:46:35Z")
I am looking for a solution that will allow the user in the browser to look around using the mouse and click buttons. In the hotspots sample I can move the camera and still click on the hotspots, but that is orbit, thir… --- ## [Texture compression artefacts](https://forum.needle.tools/t/texture-compression-artefacts/2817)
**Author:** [@krizzl0r](https://forum.needle.tools/u/krizzl0r)\ **Replies:** 14\ **Last updated:** [April 13, 2026, 12:16pm UTC](https://forum.needle.tools/t/texture-compression-artefacts/2817 "2026-04-13T12:16:10Z")
Hi, I have a grid of several 2048x2048 textures. I want to display them in good quality, without seams and use progressive loading. But it seems compression won’t let me. All textures are set to clamp. Otherwise there … --- ## [No shadows in generated scene](https://forum.needle.tools/t/no-shadows-in-generated-scene/2912)
**Author:** [@joostbos](https://forum.needle.tools/u/joostbos)\ **Replies:** 15\ **Last updated:** [October 26, 2026, 9:28am UTC](https://forum.needle.tools/t/no-shadows-in-generated-scene/2912 "2026-10-26T09:28:46Z")
In my scene I have a combination of a Realtime directional light and a baked area light. In the Unity editor all objects have a shadow, generated by the directional light. The area light does not generate shadows. But i… --- ## [Button click causes GPU crash in AR mode - Samsung Galaxy S25](https://forum.needle.tools/t/button-click-causes-gpu-crash-in-ar-mode-samsung-galaxy-s25/2840)
**Author:** [@sangyeon\_lee](https://forum.needle.tools/u/sangyeon_lee)\ **Replies:** 10\ **Last updated:** [May 30, 2026, 3:54am UTC](https://forum.needle.tools/t/button-click-causes-gpu-crash-in-ar-mode-samsung-galaxy-s25/2840 "2026-05-30T03:54:40Z")
Needle Engine 4.15.0, Samsung Galaxy S25, Android Chrome. When I click a custom button inside #arui (which is inside needle-engine tag) during WebXR AR session, Chrome crashes with “Aw Snap” immediately. The button click… --- ## [Loading related issue - SceneSwitcher Progress Callback Delayed](https://forum.needle.tools/t/loading-related-issue-sceneswitcher-progress-callback-delayed/2757)
**Author:** [@Ashokkumar\_KR](https://forum.needle.tools/u/Ashokkumar_KR)\ **Replies:** 12\ **Last updated:** [January 5, 2026, 11:32am UTC](https://forum.needle.tools/t/loading-related-issue-sceneswitcher-progress-callback-delayed/2757 "2026-01-05T11:32:49Z")
I’m trying to combine two loading flows into one progress bar: Main scene loading (via progress) → 0% to 60% Child scene loading (via progress from sceneswitcher) → 60% to 100%. The problem is: After the main s… --- ## [For unity, Can I load a scene with ui image and fonts by using one single glb file?](https://forum.needle.tools/t/for-unity-can-i-load-a-scene-with-ui-image-and-fonts-by-using-one-single-glb-file/2760)
**Author:** [@GeniusGogoing](https://forum.needle.tools/u/GeniusGogoing)\ **Replies:** 10\ **Last updated:** [December 18, 2025, 6:28am UTC](https://forum.needle.tools/t/for-unity-can-i-load-a-scene-with-ui-image-and-fonts-by-using-one-single-glb-file/2760 "2025-12-18T06:28:51Z")
I’m developing a react web app. I got a requirement to make needle-engine to dynamiclly load scenes when users drag their own glb or gltf or an asset folder to needle-engine ui element. I tried to save user’s files into… --- ## [VR: Lighting changes, when I hide my hands](https://forum.needle.tools/t/vr-lighting-changes-when-i-hide-my-hands/2866)
**Author:** [@Katja\_Rempel](https://forum.needle.tools/u/Katja_Rempel)\ **Replies:** 12\ **Last updated:** [August 11, 2026, 1:51pm UTC](https://forum.needle.tools/t/vr-lighting-changes-when-i-hide-my-hands/2866 "2026-08-11T13:51:04Z")
Hi, In one project I noticed that when my hands are not visible in the vr scene (for example because I hold them a bit lower or behind my back), the lighting changes ( I will attach two screenshots). I turned all other… --- ## [Help fixing project - lost reference to scripts and web project](https://forum.needle.tools/t/help-fixing-project-lost-reference-to-scripts-and-web-project/2773)
**Author:** [@n1ndev](https://forum.needle.tools/u/n1ndev)\ **Replies:** 15\ **Last updated:** [February 11, 2026, 6:02pm UTC](https://forum.needle.tools/t/help-fixing-project-lost-reference-to-scripts-and-web-project/2773 "2026-02-11T18:02:01Z")
At some point I tried setting up git and thought it would make sense to have the Needle web-project folder in the same folder as the Unity Project (as oppose to having the web project folder within the Unity Project fold… --- ## [License not detected in standalone web project](https://forum.needle.tools/t/license-not-detected-in-standalone-web-project/2856)
**Author:** [@Ashokkumar\_KR](https://forum.needle.tools/u/Ashokkumar_KR)\ **Replies:** 12\ **Last updated:** [July 17, 2026, 9:19am UTC](https://forum.needle.tools/t/license-not-detected-in-standalone-web-project/2856 "2026-07-17T09:19:58Z")
Hi, I’m using Needle Engine 6.0.0-alpha in a standalone web project, and I have a Pro license. As explained in the documentation (" Questions and Answers (FAQ) 💡 | docs "), I ran the following commands: npx needle-clo… --- ## [ImageTracking only working on reload](https://forum.needle.tools/t/imagetracking-only-working-on-reload/2859)
**Author:** [@Timo\_Holzmann](https://forum.needle.tools/u/Timo_Holzmann)\ **Replies:** 10\ **Last updated:** [August 7, 2026, 9:43am UTC](https://forum.needle.tools/t/imagetracking-only-working-on-reload/2859 "2026-08-07T09:43:47Z")
Hi everyone, we are currently working with Needle Engine in Blender and are trying to place a point cloud on an image marker in AR. The point cloud was modified using Geometry Nodes in Blender. For the AR setup, we are… --- ## [Script does not seem to be executed](https://forum.needle.tools/t/script-does-not-seem-to-be-executed/2876)
**Author:** [@joostbos](https://forum.needle.tools/u/joostbos)\ **Replies:** 13\ **Last updated:** [September 9, 2026, 7:54am UTC](https://forum.needle.tools/t/script-does-not-seem-to-be-executed/2876 "2026-09-09T07:54:50Z")
I have a script on a GameObject, but it looks like it is not executed at all. To check this I added two lines in the Start() method, one that writes a debug message to the console and one that writes to an in-world TMPr… --- ## [JS Heap Memory full crash](https://forum.needle.tools/t/js-heap-memory-full-crash/2772)
**Author:** [@S\_N](https://forum.needle.tools/u/S_N)\ **Replies:** 10\ **Last updated:** [February 13, 2026, 9:02am UTC](https://forum.needle.tools/t/js-heap-memory-full-crash/2772 "2026-02-13T09:02:05Z")
I have the problem with my scene that in the browser the application crashes on the error memory full. With the chrome needle extension I can monitor the js heap memory and it continiously fills up until it reaches aroun… --- ## [needlePlugin in vite causes a problem](https://forum.needle.tools/t/needleplugin-in-vite-causes-a-problem/2766)
**Author:** [@GeniusGogoing](https://forum.needle.tools/u/GeniusGogoing)\ **Replies:** 11\ **Last updated:** [January 26, 2026, 8:38pm UTC](https://forum.needle.tools/t/needleplugin-in-vite-causes-a-problem/2766 "2026-01-26T20:38:54Z")
when i launch vite with needlePlugin, i cant use ctrl c to kill all the vite processes. there will always be a node.js javascript runtime process left. It becomes normal when i launch without needlePlugin. This could ca… --- ## [Far Clipping Plane issues in AR / Needle Go with large-scale models](https://forum.needle.tools/t/far-clipping-plane-issues-in-ar-needle-go-with-large-scale-models/2798)
**Author:** [@M\_K](https://forum.needle.tools/u/M_K)\ **Replies:** 12\ **Last updated:** [March 6, 2026, 11:35am UTC](https://forum.needle.tools/t/far-clipping-plane-issues-in-ar-needle-go-with-large-scale-models/2798 "2026-03-06T11:35:39Z")
Hi Needles, I’m struggling with a camera clipping issue specifically in AR (Needle Go). The Setup: I have a very large model (approx. 1.3 km in length). The Issue: On desktop/browser, my Far Clipping Plane setting… --- ## [Bug: UnityGLTF/Unlit Materials are exported as Lit marerials (with reflection value)](https://forum.needle.tools/t/bug-unitygltf-unlit-materials-are-exported-as-lit-marerials-with-reflection-value/2882)
**Author:** [@Katja\_Rempel](https://forum.needle.tools/u/Katja_Rempel)\ **Replies:** 10\ **Last updated:** [September 24, 2026, 1:35pm UTC](https://forum.needle.tools/t/bug-unitygltf-unlit-materials-are-exported-as-lit-marerials-with-reflection-value/2882 "2026-09-24T13:35:07Z")
I upgraded my project to the newest needle version and it exports some unlit materials as lit marerials (thats why the background is suddenly black (because of the reflection value) which my unlit materials obviousley d… --- ## [AR scene resizes when keyboard appears](https://forum.needle.tools/t/ar-scene-resizes-when-keyboard-appears/2782)
**Author:** [@Pavel\_Ramirez](https://forum.needle.tools/u/Pavel_Ramirez)\ **Replies:** 12\ **Last updated:** [February 16, 2026, 8:55pm UTC](https://forum.needle.tools/t/ar-scene-resizes-when-keyboard-appears/2782 "2026-02-16T20:55:49Z")
I’m trying to make a chat system but when In AR mode, every time the keyboard appears all the scene “squishes” like in the image attached. I dont know if this is bug or a know issue or am I missing something here? This … --- ## [Missing Multiple Objects and Meshes After Compression](https://forum.needle.tools/t/missing-multiple-objects-and-meshes-after-compression/2910)
**Author:** [@Ashokkumar\_KR](https://forum.needle.tools/u/Ashokkumar_KR)\ **Replies:** 13\ **Last updated:** [October 28, 2026, 10:39am UTC](https://forum.needle.tools/t/missing-multiple-objects-and-meshes-after-compression/2910 "2026-10-28T10:39:26Z")
Hi, NE: 6.0.0 - alpha 6 Unity: 2022.3.55f1 The first image shows the original/uncompressed GLB, where all objects and meshes are present and correctly positioned. The second image shows the compressed GLB, where mult… --- ## [How to avoid a specific object to follow the player movement](https://forum.needle.tools/t/how-to-avoid-a-specific-object-to-follow-the-player-movement/2793)
**Author:** [@LuisDaRod](https://forum.needle.tools/u/LuisDaRod)\ **Replies:** 11\ **Last updated:** [February 27, 2026, 10:03am UTC](https://forum.needle.tools/t/how-to-avoid-a-specific-object-to-follow-the-player-movement/2793 "2026-02-27T10:03:14Z")
I’m trying to make a simple mobile AR game. I’m following the Alive studios tutorial (https://www.youtube.com/watch?v=lNsXKAH5cOU&list=PLJ4BaFFEGP1GVTmPhKDC6QzL8Am9700Wo&index=7). I’m trying to make an object remain com… --- ## [Load Font Error](https://forum.needle.tools/t/load-font-error/2818)
**Author:** [@oot4chi](https://forum.needle.tools/u/oot4chi)\ **Replies:** 9\ **Last updated:** [April 1, 2026, 9:22am UTC](https://forum.needle.tools/t/load-font-error/2818 "2026-04-01T09:22:24Z")
needle-engine.extras.CYXGdbk2.js:194 Error creating font nn {\_\_context: We, name: ‘Text’, gameObject: Mt, guid: ‘2145448023078131911\_e32a1b5d512ca944492c1cda04013076\_0’, sourceId: ‘./assets/CharacterPrefab.glb’, …} TypeE… --- ## [Performance question in opera](https://forum.needle.tools/t/performance-question-in-opera/2802)
**Author:** [@LuLuHarmony](https://forum.needle.tools/u/LuLuHarmony)\ **Replies:** 9\ **Last updated:** [March 6, 2026, 2:15pm UTC](https://forum.needle.tools/t/performance-question-in-opera/2802 "2026-03-06T14:15:40Z")
I just got started with needle and all I have is a default Cube. No background, no texture, 6 faces, nothing more. Yet, when I launch it into Opera, I cannot get more than 4 FPS and that does not seem right. Hardware ac… --- ## [Autorisation issue](https://forum.needle.tools/t/autorisation-issue/2881)
**Author:** [@Katja\_Rempel](https://forum.needle.tools/u/Katja_Rempel)\ **Replies:** 9\ **Last updated:** [September 16, 2026, 1:16pm UTC](https://forum.needle.tools/t/autorisation-issue/2881 "2026-09-16T13:16:23Z")
Hi, after repeatedly logging out and logging in again (and getting the message, that my login to the PRO account was successfull, I can not open my project. Each time I try to refresh or do a full export/ the error messa… --- ## [Missing shortcut from Unity component to .ts script](https://forum.needle.tools/t/missing-shortcut-from-unity-component-to-ts-script/2869)
**Author:** [@krizzl0r](https://forum.needle.tools/u/krizzl0r)\ **Replies:** 9\ **Last updated:** [August 18, 2026, 6:40am UTC](https://forum.needle.tools/t/missing-shortcut-from-unity-component-to-ts-script/2869 "2026-08-18T06:40:20Z")
Hi guys, I noticed since a few versions (I think at least 5.1.0) the Unity components do not show the .ts script shortcut in their inspector anymore. This is with Unity 2022.3, and I just upgraded to NE 5.1.12 to make … --- ## [Build fails on 6.0.0 - alpha 6](https://forum.needle.tools/t/build-fails-on-6-0-0-alpha-6/2911)
**Author:** [@Ashokkumar\_KR](https://forum.needle.tools/u/Ashokkumar_KR)\ **Replies:** 9\ **Last updated:** [October 9, 2026, 2:27pm UTC](https://forum.needle.tools/t/build-fails-on-6-0-0-alpha-6/2911 "2026-10-09T14:27:36Z")
Hi, Taking production build using npm run build or npm run build:production fails on latest version with following error Build pipeline task did not succeed. error during build: Error: \[needle-buildpipeline\] - Build … --- ## [Nodejs version 25](https://forum.needle.tools/t/nodejs-version-25/2834)
**Author:** [@Mirza\_Saad\_Baig](https://forum.needle.tools/u/Mirza_Saad_Baig)\ **Replies:** 7\ **Last updated:** [May 7, 2026, 8:30am UTC](https://forum.needle.tools/t/nodejs-version-25/2834 "2026-05-07T08:30:21Z")
does needle engine not work on nodejs version 25 ? it asks me to download 24 or lower but installer refuses to install because i have higher version already installed. --- ## [Vite error in dev server after upgrading](https://forum.needle.tools/t/vite-error-in-dev-server-after-upgrading/2829)
**Author:** [@Aaron\_Collegeman](https://forum.needle.tools/u/Aaron_Collegeman)\ **Replies:** 8\ **Last updated:** [April 20, 2026, 2:27pm UTC](https://forum.needle.tools/t/vite-error-in-dev-server-after-upgrading/2829 "2026-04-20T14:27:21Z")
Upgraded to 5.0.3. Old package.json: { “name”: “my-needle-engine-project”, “version”: “1.0.0”, “type” : “module”, “scripts”: { “start”: “vite --host”, “build:dev”: “vite build”, “build:production”: “vite build – … --- ## [Apple Vision Pro WebXR](https://forum.needle.tools/t/apple-vision-pro-webxr/2836)
**Author:** [@krizzl0r](https://forum.needle.tools/u/krizzl0r)\ **Replies:** 5\ **Last updated:** [July 7, 2026, 9:56am UTC](https://forum.needle.tools/t/apple-vision-pro-webxr/2836 "2026-07-07T09:56:10Z")
Hey guys, I know there was another thread discussing AVP compat but I wonder if anything changed in the meantime. I’m talking about a real interactive app including e.g. picking virtual objects up and handling them in s… --- ## [iOS Needle Go / App Clip: double-tap fix](https://forum.needle.tools/t/ios-needle-go-app-clip-double-tap-fix/2825)
**Author:** [@Corentin\_Duboc](https://forum.needle.tools/u/Corentin_Duboc)\ **Replies:** 7\ **Last updated:** [April 7, 2026, 3:42pm UTC](https://forum.needle.tools/t/ios-needle-go-app-clip-double-tap-fix/2825 "2026-04-07T15:42:44Z")
Symptom On iOS Safari, the WebXR AR button that should open Needle Go (App Clip) via location.href often needs two taps: the first does nothing; the second works. Root cause NeedleXRSession.start awaits isARSupported() … --- ## [Issue With Teleport](https://forum.needle.tools/t/issue-with-teleport/2857)
**Author:** [@Jafar\_Darwis](https://forum.needle.tools/u/Jafar_Darwis)\ **Replies:** 8\ **Last updated:** [July 22, 2026, 3:28pm UTC](https://forum.needle.tools/t/issue-with-teleport/2857 "2026-07-22T15:28:52Z")
Im trying to make XRrig (VR) to jump to certain point using Teleport Target. im applying the component to cube game object. Then im applying XRControllerMovement in XRring game object. with use teleport target is check, … --- ## [Black screen in Safari after returning from Needle Go AR session](https://forum.needle.tools/t/black-screen-in-safari-after-returning-from-needle-go-ar-session/2826)
**Author:** [@Corentin\_Duboc](https://forum.needle.tools/u/Corentin_Duboc)\ **Replies:** 7\ **Last updated:** [April 9, 2026, 10:56am UTC](https://forum.needle.tools/t/black-screen-in-safari-after-returning-from-needle-go-ar-session/2826 "2026-04-09T10:56:27Z")
The issue When I open an AR session via Needle Go from a Safari-hosted Needle Engine page, pressing “Back” or “Quit AR” in Needle Go’s context menu always results in a completely black screen in Safari. The original page… --- ## [Custom script never generates C# stub — no errors, no compiler log, node path is standard](https://forum.needle.tools/t/custom-script-never-generates-c-stub-no-errors-no-compiler-log-node-path-is-standard/2864)
**Author:** [@Dragos](https://forum.needle.tools/u/Dragos)\ **Replies:** 8\ **Last updated:** [August 11, 2026, 2:54pm UTC](https://forum.needle.tools/t/custom-script-never-generates-c-stub-no-errors-no-compiler-log-node-path-is-standard/2864 "2026-08-11T14:54:53Z")
Needle Engine 5.1.9, Unity 6000.4.2f1, macOS. Node at /usr/local/bin/node (not nvm-managed, standard install). I have a custom script (VoiceAssistant.ts) in src/scripts/, correctly registered in register\_types.ts. Compo… --- ## [What limitation component export glb and load glb in 4.16.0+](https://forum.needle.tools/t/what-limitation-component-export-glb-and-load-glb-in-4-16-0/2809)
**Author:** [@oot4chi](https://forum.needle.tools/u/oot4chi)\ **Replies:** 8\ **Last updated:** [March 20, 2026, 4:42pm UTC](https://forum.needle.tools/t/what-limitation-component-export-glb-and-load-glb-in-4-16-0/2809 "2026-03-20T16:42:49Z")
What limitation component export glb and load glb in 4.16.0+ --- ## [Camera Orbit Offset After Reset](https://forum.needle.tools/t/camera-orbit-offset-after-reset/2867)
**Author:** [@Ashokkumar\_KR](https://forum.needle.tools/u/Ashokkumar_KR)\ **Replies:** 8\ **Last updated:** [August 24, 2026, 1:58pm UTC](https://forum.needle.tools/t/camera-orbit-offset-after-reset/2867 "2026-08-24T13:58:46Z")
I’m resetting the camera using: this.baseCamera.setCameraAndLookTarget(cam); This works correctly in most scenarios. However, on some occasions, although the camera returns to the expected position and view, it appears… --- ## [Couldn't enter AR mode](https://forum.needle.tools/t/couldnt-enter-ar-mode/2832)
**Author:** [@Jafar\_Darwis](https://forum.needle.tools/u/Jafar_Darwis)\ **Replies:** 7\ **Last updated:** [April 25, 2026, 12:53pm UTC](https://forum.needle.tools/t/couldnt-enter-ar-mode/2832 "2026-04-25T12:53:18Z")
--- ## [Build renders a white page on iOS 16](https://forum.needle.tools/t/build-renders-a-white-page-on-ios-16/2868)
**Author:** [@Ashokkumar\_KR](https://forum.needle.tools/u/Ashokkumar_KR)\ **Replies:** 8\ **Last updated:** [August 17, 2026, 11:09am UTC](https://forum.needle.tools/t/build-renders-a-white-page-on-ios-16/2868 "2026-08-17T11:09:33Z")
Our build does not work on iOS 16, so I was checking your SceneSwitcher samples to see if there might be something wrong on our end. While testing, I found that one of your samples has the same issue on iOS 16. When ope… --- ## [Problem with playing animations and ChangeTransformOnClick in Quicklook](https://forum.needle.tools/t/problem-with-playing-animations-and-changetransformonclick-in-quicklook/2831)
**Author:** [@maxoak](https://forum.needle.tools/u/maxoak)\ **Replies:** 6\ **Last updated:** [July 23, 2026, 11:56am UTC](https://forum.needle.tools/t/problem-with-playing-animations-and-changetransformonclick-in-quicklook/2831 "2026-07-23T11:56:51Z")
Hi there, I try to implement kind of interface, where I can play animations and also use ChangeTransformOnClick etc… Both things are working, when used separately, but as soon I have any haveChangeTransformOnClick() act… --- ## [Camera Orbit Controls NaN in new scene](https://forum.needle.tools/t/camera-orbit-controls-nan-in-new-scene/2779)
**Author:** [@S\_N](https://forum.needle.tools/u/S_N)\ **Replies:** 7\ **Last updated:** [February 13, 2026, 1:57pm UTC](https://forum.needle.tools/t/camera-orbit-controls-nan-in-new-scene/2779 "2026-02-13T13:57:27Z")
I replicated your multi scene sample with the same structure, empty loader scene with the scene loader component that references 2 scenes. This empty scene has the needle exporter in it and a needle project set. The 2 s… --- ## [Codegen bug with unity ui script](https://forum.needle.tools/t/codegen-bug-with-unity-ui-script/2803)
**Author:** [@oot4chi](https://forum.needle.tools/u/oot4chi)\ **Replies:** 8\ **Last updated:** [March 15, 2026, 11:00am UTC](https://forum.needle.tools/t/codegen-bug-with-unity-ui-script/2803 "2026-03-15T11:00:21Z")
It missing UnityEngine.UI.xxxx needle engine 4.16 unity 6000.0.69f1 --- ## [How fix GLTF Lib Error?](https://forum.needle.tools/t/how-fix-gltf-lib-error/2801)
**Author:** [@oot4chi](https://forum.needle.tools/u/oot4chi)\ **Replies:** 4\ **Last updated:** [March 3, 2026, 2:15pm UTC](https://forum.needle.tools/t/how-fix-gltf-lib-error/2801 "2026-03-03T14:15:08Z")
Library\\PackageCache\\org.khronos.unitygltf\\Runtime\\Scripts\\SceneImporter\\ImporterTextures.cs(252,24): error CS1503: Argument 2: cannot convert from ‘System.ReadOnlySpan’ to ‘byte’ --- ## [ContactShadows component not deserializing from GLB after upgrading to Needle Engine 4.12.4](https://forum.needle.tools/t/contactshadows-component-not-deserializing-from-glb-after-upgrading-to-needle-engine-4-12-4/2768)
**Author:** [@Arno\_Kruger](https://forum.needle.tools/u/Arno_Kruger)\ **Replies:** 7\ **Last updated:** [March 12, 2026, 11:54am UTC](https://forum.needle.tools/t/contactshadows-component-not-deserializing-from-glb-after-upgrading-to-needle-engine-4-12-4/2768 "2026-03-12T11:54:02Z")
Issue: ContactShadows component not deserializing from GLB after upgrading to Needle Engine 4.12.4 Environment: Unity 6000.2.2f1, Needle Engine 4.12.4, three@0.169.15 What works: Production build created BEFORE upgradi… --- ## [Do I have to modify engine code to realise a custom ICameraController?](https://forum.needle.tools/t/do-i-have-to-modify-engine-code-to-realise-a-custom-icameracontroller/2762)
**Author:** [@GeniusGogoing](https://forum.needle.tools/u/GeniusGogoing)\ **Replies:** 5\ **Last updated:** [December 22, 2025, 2:35am UTC](https://forum.needle.tools/t/do-i-have-to-modify-engine-code-to-realise-a-custom-icameracontroller/2762 "2025-12-22T02:35:23Z")
I want to switch camera control mode between FlyControl and OrbitControl.Currently there is only OrbitControl in engine component.In my circumstances, there will be complex scenes to inspect so FlyControl will be needed. … --- ## [Object doesn't show up in Browser](https://forum.needle.tools/t/object-doesnt-show-up-in-browser/2805)
**Author:** [@LuLuHarmony](https://forum.needle.tools/u/LuLuHarmony)\ **Replies:** 6\ **Last updated:** [March 6, 2026, 4:24pm UTC](https://forum.needle.tools/t/object-doesnt-show-up-in-browser/2805 "2026-03-06T16:24:16Z")
It worked yesterday, then I started experimenting in blender a bit more, and now the browser shows up empty. --- ## [Spawning 3d model in AR](https://forum.needle.tools/t/spawning-3d-model-in-ar/2847)
**Author:** [@Ashokkumar\_KR](https://forum.needle.tools/u/Ashokkumar_KR)\ **Replies:** 6\ **Last updated:** [June 16, 2026, 1:38pm UTC](https://forum.needle.tools/t/spawning-3d-model-in-ar/2847 "2026-06-16T13:38:08Z")
Hi, I’m working on a project where we’re doing model detection with YOLO AI, and once a detection succeeds, I want to spawn a 3D model right in the detected space. Here’s the current setup: react-webcam handles the c… --- ## [Collider mesh](https://forum.needle.tools/t/collider-mesh/2754)
**Author:** [@krizzl0r](https://forum.needle.tools/u/krizzl0r)\ **Replies:** 5\ **Last updated:** [December 1, 2025, 8:59am UTC](https://forum.needle.tools/t/collider-mesh/2754 "2025-12-01T08:59:49Z")
Hi, what’s the best way to have an invisible collider mesh? I need it for raycasting (without rapier) but it should not participate in rendering. --- ## [Short audio clips in Unity Timeline still play when volume is 0](https://forum.needle.tools/t/short-audio-clips-in-unity-timeline-still-play-when-volume-is-0/2890)
**Author:** [@Susann\_Beyer](https://forum.needle.tools/u/Susann_Beyer)\ **Replies:** 5\ **Last updated:** [September 30, 2026, 10:07am UTC](https://forum.needle.tools/t/short-audio-clips-in-unity-timeline-still-play-when-volume-is-0/2890 "2026-09-30T10:07:28Z")
I placed some audio-clips in a Unity timeline and wanted to lower their volume. After export to the local server I noticed nothing had changed. Same result with full export. What I figured out: Setting the volume to 0 w… --- ## [iOS App Clip AR broke by itself after this weekend — no AR entry, "Tap Again" does nothing (unchange](https://forum.needle.tools/t/ios-app-clip-ar-broke-by-itself-after-this-weekend-no-ar-entry-tap-again-does-nothing-unchange/2851)
**Author:** [@A11](https://forum.needle.tools/u/A11)\ **Replies:** 6\ **Last updated:** [July 6, 2026, 6:29am UTC](https://forum.needle.tools/t/ios-app-clip-ar-broke-by-itself-after-this-weekend-no-ar-entry-tap-again-does-nothing-unchange/2851 "2026-07-06T06:29:53Z")
Hi Needle team, I’ve been using Needle Engine 5.0.7 for my web AR projects on iPhone. Here is my situation: What was working: My first project was built and deployed to Netlify some time ago. Its iOS App Clip AR still… --- ## [Login issues - cache for pro user login](https://forum.needle.tools/t/login-issues-cache-for-pro-user-login/2749)
**Author:** [@Stefan\_Rademakers](https://forum.needle.tools/u/Stefan_Rademakers)\ **Replies:** 6\ **Last updated:** [November 18, 2025, 7:20pm UTC](https://forum.needle.tools/t/login-issues-cache-for-pro-user-login/2749 "2025-11-18T19:20:40Z")
Hi everyone, I’m running into a recurring issue with the Needle Engine login system. The editor keeps logging me out unexpectedly, and it happens multiple times a day (a lot). Whenever the Needle authentication server o… --- ## [Fetching Needle Engine assets from an S3 bucket](https://forum.needle.tools/t/fetching-needle-engine-assets-from-an-s3-bucket/2838)
**Author:** [@Ashokkumar\_KR](https://forum.needle.tools/u/Ashokkumar_KR)\ **Replies:** 4\ **Last updated:** [May 15, 2026, 2:06pm UTC](https://forum.needle.tools/t/fetching-needle-engine-assets-from-an-s3-bucket/2838 "2026-05-15T14:06:05Z")
Hi, is it feasible to load assets from the cloud instead of bundling them into the build? What I mean is, I have a React project using Needle Engine. When the user accesses a certain part of the app, we load the Needle … [Next page](https://forum.needle.tools/top.md?page=1&per_page=50)