# \#bug **URL:** https://forum.babylonjs.com/tag/bug/319.md [Latest](https://forum.babylonjs.com/latest.md) · [Categories](https://forum.babylonjs.com/categories.md) · [Tags](https://forum.babylonjs.com/tags.md) --- ## [\[Lite\] How do you scale a mesh in place?](https://forum.babylonjs.com/t/lite-how-do-you-scale-a-mesh-in-place/64208)
**Author:** [@dkong](https://forum.babylonjs.com/u/dkong)\ **Replies:** 4\ **Last updated:** [October 5, 2026, 2:44pm UTC](https://forum.babylonjs.com/t/lite-how-do-you-scale-a-mesh-in-place/64208 "2026-10-05T14:44:25Z")
In Lite, there is Mesh.scaling property. However, rather than scale in place as I assumed, it also changes the position of the mesh that is being scaled. Also it seems to me that meshes created from a position array dif… --- ## [GLB export broken under NullEngine in v9 - root cause and fix](https://forum.babylonjs.com/t/glb-export-broken-under-nullengine-in-v9-root-cause-and-fix/63231)
**Author:** [@Arek3D](https://forum.babylonjs.com/u/Arek3D)\ **Replies:** 4\ **Last updated:** [April 30, 2026, 1:55pm UTC](https://forum.babylonjs.com/t/glb-export-broken-under-nullengine-in-v9-root-cause-and-fix/63231 "2026-04-30T13:55:51Z")
Hi, I found a bug with GLB export under NullEngine on the server. It worked correctly in v8, but after upgrading to v9 the following error appears: Error: Failed to read pixels from texture \. at GetTextureData… --- ## [Mesh outline depth calculation failure](https://forum.babylonjs.com/t/mesh-outline-depth-calculation-failure/62913)
**Author:** [@izzydesigns](https://forum.babylonjs.com/u/izzydesigns)\ **Replies:** 4\ **Last updated:** [March 25, 2026, 12:50pm UTC](https://forum.babylonjs.com/t/mesh-outline-depth-calculation-failure/62913 "2026-03-25T12:50:18Z")
Hello! I’m having a depth calculation issue when using the mesh outline feature. I notice the edge of outlines on meshes often shows through walls when the occluded mesh with an outline enabled is viewed at a steep angle… --- ## [Running automated tests on macOS vs Ubuntu](https://forum.babylonjs.com/t/running-automated-tests-on-macos-vs-ubuntu/61269)
**Author:** [@Julian\_Harty](https://forum.babylonjs.com/u/Julian_Harty)\ **Replies:** 11\ **Last updated:** [November 4, 2025, 9:38am UTC](https://forum.babylonjs.com/t/running-automated-tests-on-macos-vs-ubuntu/61269 "2025-11-04T09:38:48Z")
I’ve run the automated tests on macOS (Sequoia 15.6.1) and on Ubuntu 24.04 LTS and get different results. In both cases some tests fail. I’ve several related questions/requests: Should the documented test commands work… --- ## [Abnormal Brightness in Gaussian Splatting from Specific Viewing Angles](https://forum.babylonjs.com/t/abnormal-brightness-in-gaussian-splatting-from-specific-viewing-angles/60962)
**Author:** [@zj\_huang](https://forum.babylonjs.com/u/zj_huang)\ **Replies:** 5\ **Last updated:** [October 15, 2025, 9:57am UTC](https://forum.babylonjs.com/t/abnormal-brightness-in-gaussian-splatting-from-specific-viewing-angles/60962 "2025-10-15T09:57:25Z")
h1\_.zip Description: The Gaussian Splatting renderer displays abnormally bright artifacts when viewed from specific angles. This issue does not occur on other platforms or viewers. Reproduction Steps: Load the… --- ## [Playground: window.engine.getCreationOptions is not a function](https://forum.babylonjs.com/t/playground-window-engine-getcreationoptions-is-not-a-function/57395)
**Author:** [@kzhsw](https://forum.babylonjs.com/u/kzhsw)\ **Replies:** 1\ **Last updated:** [March 25, 2025, 9:05am UTC](https://forum.babylonjs.com/t/playground-window-engine-getcreationoptions-is-not-a-function/57395 "2025-03-25T09:05:54Z")
Browser: any Version: 4.2.1 Link: https://playground.babylonjs.com/ Steps to reproduce: Enter playground Switch version to 4.2.1 Expected: It should just work like other versions. Actual: --- ## [Babylonjs splat positions seems weird, especially with right-handed](https://forum.babylonjs.com/t/babylonjs-splat-positions-seems-weird-especially-with-right-handed/56561)
**Author:** [@deruci](https://forum.babylonjs.com/u/deruci)\ **Replies:** 3\ **Last updated:** [February 17, 2025, 2:23pm UTC](https://forum.babylonjs.com/t/babylonjs-splat-positions-seems-weird-especially-with-right-handed/56561 "2025-02-17T14:23:14Z")
This link shows the result of rendering after assigning position values to a single splat and a disc mesh. The first thing that noticeably stands out is the position. When the mesh position is (1, 2, 3), in order for … --- ## [MultiViews Viewport Distortion When Using SSAO Post-Processing](https://forum.babylonjs.com/t/multiviews-viewport-distortion-when-using-ssao-post-processing/56397)
**Author:** [@tapanij](https://forum.babylonjs.com/u/tapanij)\ **Replies:** 3\ **Last updated:** [February 5, 2025, 5:09pm UTC](https://forum.babylonjs.com/t/multiviews-viewport-distortion-when-using-ssao-post-processing/56397 "2025-02-05T17:09:50Z")
Hey! I believe I’ve found a bug. When using SSAO post-processing with MultiViews, the viewports get squished, but SSAO still seems to render in the correct position. I modified the MultiViews Part 2 documentation playg… --- ## [GLB not loaded!](https://forum.babylonjs.com/t/glb-not-loaded/56284)
**Author:** [@Sekar](https://forum.babylonjs.com/u/Sekar)\ **Replies:** 6\ **Last updated:** [January 31, 2025, 1:18am UTC](https://forum.babylonjs.com/t/glb-not-loaded/56284 "2025-01-31T01:18:22Z")
Error shows like digitaloceanspaces.com/models/12.glb: /accessors/3/componentType: (0 , A.GetTypedArrayConstructor) is not a function Error comes from today onwards only !!! Kindly suggest solution , we have use Babyl… --- ## [shadowGenerators serialized without light](https://forum.babylonjs.com/t/shadowgenerators-serialized-without-light/56134)
**Author:** [@kzhsw](https://forum.babylonjs.com/u/kzhsw)\ **Replies:** 3\ **Last updated:** [January 24, 2025, 3:28am UTC](https://forum.babylonjs.com/t/shadowgenerators-serialized-without-light/56134 "2025-01-24T03:28:11Z")
Background Version: 7.44.1 Engine: any Browser: any Desc There is currently no doNotSerialize option for a ShadowGenerator, and a ShadowGenerator would be serialized even if the light of it marked with doNotSerialize. … --- ## [\[sandbox\] Render vertex normals renders incorrectly](https://forum.babylonjs.com/t/sandbox-render-vertex-normals-renders-incorrectly/55635)
**Author:** [@kzhsw](https://forum.babylonjs.com/u/kzhsw)\ **Replies:** 5\ **Last updated:** [January 3, 2025, 1:49am UTC](https://forum.babylonjs.com/t/sandbox-render-vertex-normals-renders-incorrectly/55635 "2025-01-03T01:49:19Z")
Version: 7.42.0 Engine: webgl2 Steps to reproduce: get a model here: teapots\_galore.zip (78.9 KB) Display inspector Find teapot mesh Check “Render vertex normals” Expected: Normals rendered at the position nea… --- ## [\[sandbox\] Display normals changes position of thin instance mesh](https://forum.babylonjs.com/t/sandbox-display-normals-changes-position-of-thin-instance-mesh/55634)
**Author:** [@kzhsw](https://forum.babylonjs.com/u/kzhsw)\ **Replies:** 1\ **Last updated:** [December 31, 2024, 12:20am UTC](https://forum.babylonjs.com/t/sandbox-display-normals-changes-position-of-thin-instance-mesh/55634 "2024-12-31T00:20:36Z")
Version: 7.42.0 Engine: webgl2 Steps to reproduce: get a model here: teapots\_galore.zip (78.9 KB) Display inspector Find teapot mesh Check “Display normals” Expected: Normals rendered at the same position of o… --- ## [How to use vertex attributes type as unsigned byte (maybe bug..?)](https://forum.babylonjs.com/t/how-to-use-vertex-attributes-type-as-unsigned-byte-maybe-bug/54614)
**Author:** [@dashandslash](https://forum.babylonjs.com/u/dashandslash)\ **Replies:** 3\ **Last updated:** [November 7, 2024, 6:29pm UTC](https://forum.babylonjs.com/t/how-to-use-vertex-attributes-type-as-unsigned-byte-maybe-bug/54614 "2024-11-07T18:29:14Z")
I have been trying to use custom attributes data for some mesh, and I need to pass a uint8 as attribute of the vertices. In the example I am creating a vertex buffer with data type UNSIGNED\_BYTE. It all goes well unt… --- ## [Metal Error : Command encoder released without endEncoding](https://forum.babylonjs.com/t/metal-error-command-encoder-released-without-endencoding/53996)
**Author:** [@Mathias](https://forum.babylonjs.com/u/Mathias)\ **Replies:** 9\ **Last updated:** [October 21, 2024, 9:34am UTC](https://forum.babylonjs.com/t/metal-error-command-encoder-released-without-endencoding/53996 "2024-10-21T09:34:52Z")
Hello :slight\_smile: In my PROD environment I am getting this issue with BabylonJS React Native : -\[\_MTLCommandEncoder dealloc\] \> -\[\_MTLCommandEncoder dealloc\]:131: failed assertion \`Command encoder released without en… --- ## [Fluid Rendering Demos: Error in demos from official docs](https://forum.babylonjs.com/t/fluid-rendering-demos-error-in-demos-from-official-docs/51626)
**Author:** [@kzhsw](https://forum.babylonjs.com/u/kzhsw)\ **Replies:** 8\ **Last updated:** [June 28, 2024, 8:50am UTC](https://forum.babylonjs.com/t/fluid-rendering-demos-error-in-demos-from-official-docs/51626 "2024-06-28T08:50:31Z")
Env: Windows 10 and chromium 120 Source of demos: https://doc.babylonjs.com/features/featuresDeepDive/particles/fluid\_renderer/fluid\_demos Expected: All demos directly linked in docs would work as the screenshot in do… --- ## [Fluid renderer not working with particle subemitters](https://forum.babylonjs.com/t/fluid-renderer-not-working-with-particle-subemitters/51367)
**Author:** [@kamil](https://forum.babylonjs.com/u/kamil)\ **Replies:** 3\ **Last updated:** [June 18, 2024, 7:49pm UTC](https://forum.babylonjs.com/t/fluid-renderer-not-working-with-particle-subemitters/51367 "2024-06-18T19:49:10Z")
Hello, I have found that subemitted particles are not handled by the fluid renderer. DEMO Here, the particles still look like sprites, instead of fluid. I added two lines to the original example. They are highlighte… --- ## [Node Materials Application Now has Side-Effect (Bug)](https://forum.babylonjs.com/t/node-materials-application-now-has-side-effect-bug/51328)
**Author:** [@ArrayBuffer](https://forum.babylonjs.com/u/ArrayBuffer)\ **Replies:** 1\ **Last updated:** [June 14, 2024, 6:23pm UTC](https://forum.babylonjs.com/t/node-materials-application-now-has-side-effect-bug/51328 "2024-06-14T18:23:41Z")
Playground illustrating the bug. What the PG model should look like: Further evidence: Proper Normals in Model Rendered in Babylon 7.11: Messing with the Normals by Flipping in Blender (Not Normal LOL!) Fli… --- ## [Havok: Incorrect scaling of mesh when dragging with constraint](https://forum.babylonjs.com/t/havok-incorrect-scaling-of-mesh-when-dragging-with-constraint/50113)
**Author:** [@kzhsw](https://forum.babylonjs.com/u/kzhsw)\ **Replies:** 7\ **Last updated:** [May 15, 2024, 8:52am UTC](https://forum.babylonjs.com/t/havok-incorrect-scaling-of-mesh-when-dragging-with-constraint/50113 "2024-05-15T08:52:18Z")
OS: Windows 10 Browser: Chromium and Firefox Playground: Desc: I’m trying to drag a mesh with physics enabled with constraint, to make dragging more natural, but when the mesh being dragged, the scaling of meshes goe… --- ## [Decal Creation RightHandedCoordinateSystem](https://forum.babylonjs.com/t/decal-creation-righthandedcoordinatesystem/49902)
**Author:** [@Forsaken](https://forum.babylonjs.com/u/Forsaken)\ **Replies:** 5\ **Last updated:** [May 2, 2024, 4:32pm UTC](https://forum.babylonjs.com/t/decal-creation-righthandedcoordinatesystem/49902 "2024-05-02T16:32:08Z")
Hey everyone, I came across the following issue: Whenever I try to apply a decal to certain meshes while the rightHandedCoordinate system is enabled, the decals get placed on the inside of the mesh, I’ve tried inversin… --- ## [Aliased rendering in sandbox](https://forum.babylonjs.com/t/aliased-rendering-in-sandbox/50035)
**Author:** [@kzhsw](https://forum.babylonjs.com/u/kzhsw)\ **Replies:** 2\ **Last updated:** [April 29, 2024, 11:12am UTC](https://forum.babylonjs.com/t/aliased-rendering-in-sandbox/50035 "2024-04-29T11:12:48Z")
OS: Windows 10 GPU: Nvidia GTX 1050 2GB Browser: Chromium 120.0.6099.199 x64 Description: The rendering of the model looks aliased when moving camera. The model: test.zip (33.9 KB) --- ## [Texture UV coords ignored randomly + unexpected coloring](https://forum.babylonjs.com/t/texture-uv-coords-ignored-randomly-unexpected-coloring/46526)
**Author:** [@Hanch](https://forum.babylonjs.com/u/Hanch)\ **Replies:** 2\ **Last updated:** [December 18, 2023, 4:59am UTC](https://forum.babylonjs.com/t/texture-uv-coords-ignored-randomly-unexpected-coloring/46526 "2023-12-18T04:59:20Z")
Hello there! I’m new to game development and very new to Babylon, but I’m having an issue when exporting models from blender in glb format regarding UV maps not applying correctly. I reproduced the issue in the playgrou… --- ## [Camera Animation bug](https://forum.babylonjs.com/t/camera-animation-bug/46211)
**Author:** [@Juancode](https://forum.babylonjs.com/u/Juancode)\ **Replies:** 7\ **Last updated:** [December 7, 2023, 8:37am UTC](https://forum.babylonjs.com/t/camera-animation-bug/46211 "2023-12-07T08:37:09Z")
Hi guys , I just wanted to point out that some of my projects with babylon that I havent touch had been presenting a bug, so I checked them and it has something to do with animations linked to camera properties like the … --- ## [ArcRotateCamera.mapPanning does not take upVector into account](https://forum.babylonjs.com/t/arcrotatecamera-mappanning-does-not-take-upvector-into-account/43820)
**Author:** [@jmheretik](https://forum.babylonjs.com/u/jmheretik)\ **Replies:** 7\ **Last updated:** [October 5, 2023, 8:28am UTC](https://forum.babylonjs.com/t/arcrotatecamera-mappanning-does-not-take-upvector-into-account/43820 "2023-10-05T08:28:54Z")
Hello again, as i continue to play with ArcRotateCamera i think i found another bug. Could you guys please confirm or deny this is the case? There is an option to define a custom upVector on ArcRotateCamera to override… --- ## [EquiRectangularCubeTexture loads the texture twice](https://forum.babylonjs.com/t/equirectangularcubetexture-loads-the-texture-twice/44319)
**Author:** [@kzhsw](https://forum.babylonjs.com/u/kzhsw)\ **Replies:** 1\ **Last updated:** [September 21, 2023, 8:45am UTC](https://forum.babylonjs.com/t/equirectangularcubetexture-loads-the-texture-twice/44319 "2023-09-21T08:45:44Z")
Playground: Expected: There is only one network request of the texture. Actual: There are two. Related code: https://github.com/BabylonJS/Babylon.js/blame/060d970b7c6aae1f9e442d40f102069d58e6cd9e/packages/dev/c… --- ## [ArcRotateCamera.zoomToMouseLocation does not take targetScreenOffset into account](https://forum.babylonjs.com/t/arcrotatecamera-zoomtomouselocation-does-not-take-targetscreenoffset-into-account/40743)
**Author:** [@jmheretik](https://forum.babylonjs.com/u/jmheretik)\ **Replies:** 13\ **Last updated:** [August 29, 2023, 9:46pm UTC](https://forum.babylonjs.com/t/arcrotatecamera-zoomtomouselocation-does-not-take-targetscreenoffset-into-account/40743 "2023-08-29T21:46:03Z")
Hello again! I believe I found a bug so I came straight to the forum to ask about it :slight\_smile: When I set zoomToMouseLocation to true on ArcRotateCamera (cool feature btw :+1:) and also targetScreenOffset to somet… --- ## [The problem of “@babylonjs/core”: “^6.11.1”](https://forum.babylonjs.com/t/the-problem-of-babylonjs-core-6-11-1/42224)
**Author:** [@Shawn11](https://forum.babylonjs.com/u/Shawn11)\ **Replies:** 11\ **Last updated:** [July 7, 2023, 7:02am UTC](https://forum.babylonjs.com/t/the-problem-of-babylonjs-core-6-11-1/42224 "2023-07-07T07:02:42Z")
I always get an error when I use BABYLON.SceneLoader.ImportMesh( “”, Assets.meshes.Yeti.rootUrl, Assets.meshes.Yeti.filename, babylon.scene, function (newMeshes) { newMeshes\[0\].scaling = new Vector3(0.1, 0.1, 0.1); … --- ## [Help Needed with 404 Error in Babylon.js Project with Webpack Dev Server](https://forum.babylonjs.com/t/help-needed-with-404-error-in-babylon-js-project-with-webpack-dev-server/41707)
**Author:** [@Deny\_Heam](https://forum.babylonjs.com/u/Deny_Heam)\ **Replies:** 31\ **Last updated:** [June 23, 2023, 9:17pm UTC](https://forum.babylonjs.com/t/help-needed-with-404-error-in-babylon-js-project-with-webpack-dev-server/41707 "2023-06-23T21:17:15Z")
Hello Babylon.js Community, I’m working on a Babylon.js project using webpack and webpack-dev-server, and I’ve run into a persistent issue that I hope you might be able to help me with. Whenever I try to load a .glb fi… --- ## [New SSR Occlusion Bug](https://forum.babylonjs.com/t/new-ssr-occlusion-bug/41341)
**Author:** [@thearvrguy](https://forum.babylonjs.com/u/thearvrguy)\ **Replies:** 1\ **Last updated:** [June 4, 2023, 10:45am UTC](https://forum.babylonjs.com/t/new-ssr-occlusion-bug/41341 "2023-06-04T10:45:52Z")
Hi all I am currently facing this bug with SSR.It seems if object is placed in front of other object, then it has some weird effect. You can checkout the image attached Like the orange reflection also has white cut fr… --- ## [Maybe bug about DumpTools.ts](https://forum.babylonjs.com/t/maybe-bug-about-dumptools-ts/40685)
**Author:** [@Tobepeter](https://forum.babylonjs.com/u/Tobepeter)\ **Replies:** 6\ **Last updated:** [May 11, 2023, 4:30pm UTC](https://forum.babylonjs.com/t/maybe-bug-about-dumptools-ts/40685 "2023-05-11T16:30:41Z")
the method DumpData I have found the code in below // Convert if data are float32 if (data instanceof Float32Array) { const data2 = new Uint8Array(data.length); let n = data.length; while (n--) { co… --- ## [Inspector and Sandox bugs. Why you not using a Sentry-like error tracker?](https://forum.babylonjs.com/t/inspector-and-sandox-bugs-why-you-not-using-a-sentry-like-error-tracker/39851)
**Author:** [@Dok11](https://forum.babylonjs.com/u/Dok11)\ **Replies:** 4\ **Last updated:** [April 17, 2023, 1:44pm UTC](https://forum.babylonjs.com/t/inspector-and-sandox-bugs-why-you-not-using-a-sentry-like-error-tracker/39851 "2023-04-17T13:44:16Z")
I’ve created a several topics for last weeks with errors in the Sandbox and Inspector as well. So my question is why you don’t use Sentry or something like this? I have some experience to work with Sentry on public tool… [Next page](https://forum.babylonjs.com/tag/bug/319.md?match_all_tags=true&page=1&tags%5B%5D=bug)