mrdoob/three.js

JavaScript 3D Library.

Stars: 116k
Forks: 36.6k
Open beginner issues: 0
Indexed issues: 255
Avg merge: 19h 25m
Merged PRs (30d): 164

Dominant language: JavaScript
License: MIT
Last GitHub push: Sep 19, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

Open All

255 open issues indexed

Stuttering with GammaCorrectionShader/EffectComposer render pass in Chrome Android Open

Device Issue

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mrdoob/three.js#34599 · 5 comments · Opened Sep 18, 2026
r186: `GTAONode` fails to compile when its depth node is a multisampled texture — `textureGather` has no `texture_depth_multisampled_2d` overload Open

Addons

Difficulty 4/5 3-5 days Newbie friendliness 68/100

mrdoob/three.js#34598 · Opened Sep 17, 2026
IESSpotLight: Creating a subclass of IESSpotLight breaks the light functionality Open

Suggestion

Difficulty 3/5 1-2 days Newbie friendliness 55/100

mrdoob/three.js#34561 · 2 comments · Opened Sep 15, 2026
WebGPURenderer: IESSpotLight does not support 2D IES profiles Open

Loaders Nodes

Difficulty 4/5 3-5 days Newbie friendliness 55/100

mrdoob/three.js#34560 · Opened Sep 15, 2026
TSL: Naming conflicts, struct type gaps, & inconsistent value accessors Open

TSL

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mrdoob/three.js#34559 · 1 reaction · Opened Sep 15, 2026
Azimuth on Sky and Sunlight programs Open

Addons

Difficulty 3/5 1-2 days Newbie friendliness 52/100

mrdoob/three.js#34544 · 13 comments · Opened Sep 11, 2026
GaussianSplat: public method to update splat buffers after construction Open

Addons Suggestion

Difficulty 4/5 3-5 days Newbie friendliness 55/100

mrdoob/three.js#34527 · Opened Sep 10, 2026
TSL: toInspector() is skipped on intent VarNodes, including Fn() results Open

TSL

Difficulty 3/5 1-2 days Newbie friendliness 78/100

mrdoob/three.js#34489 · 1 comment · Opened Sep 6, 2026
Examples: Add globe example with OpenStreetMap raster tiles (no API key) Open

Suggestion

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mrdoob/three.js#34465 · 1 comment · Opened Sep 5, 2026
RectAreaLight does not apply sheen (MeshPhysicalMaterial, both WebGLRenderer and WebGPURenderer) Open

Enhancement

Difficulty 5/5 Over a week Newbie friendliness 43/100

mrdoob/three.js#34438 · 1 comment · Opened Sep 2, 2026
TSL: getNodeType() is unmemoized recursion, so NodeBuilder.build() cost grows with the number of paths through the node graph Open

TSL

Difficulty 4/5 3-5 days Newbie friendliness 55/100

mrdoob/three.js#34434 · 2 comments · 2 reactions · Opened Sep 2, 2026
WebGPU: changing texture uniforms requires a recompile of the material Open

Nodes

Difficulty 4/5 3-5 days Newbie friendliness 45/100

mrdoob/three.js#34393 · 7 comments · Opened Aug 28, 2026
KTX2Loader: bundled basis_transcoder.js requires CSP 'unsafe-eval', but rebuilding with -sDYNAMIC_EXECUTION=0 fixes it Open

Loaders

Difficulty 4/5 3-5 days Newbie friendliness 65/100

mrdoob/three.js#34389 · 1 comment · Opened Aug 27, 2026
WebGPURenderer: Add option to enable maximum buffer limits Open

WebGPURenderer

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mrdoob/three.js#34344 · 10 comments · 1 reaction · Opened Aug 22, 2026
FP16 Precision via TSL? Open

TSL

Difficulty 5/5 Over a week Newbie friendliness 48/100

mrdoob/three.js#34335 · 3 comments · 3 reactions · Opened Aug 21, 2026
GaussianSplatMesh: Add support for globally sorted splats Open

Addons

Difficulty 5/5 Over a week Newbie friendliness 38/100

mrdoob/three.js#34256 · 14 comments · Opened Aug 15, 2026
TSL: Fn argument proxy returns undefined for positional reads — three's own instancedMesh()/skinning() crash wherever destructuring is downleveled (React Native/Metro) Open

TSL

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

mrdoob/three.js#34227 · 2 comments · Opened Aug 13, 2026
WebGPURenderer: Suggestions for reducing file sizes Open

Suggestion WebGPURenderer

Difficulty 5/5 Over a week Newbie friendliness 35/100

mrdoob/three.js#34218 · 2 reactions · Opened Aug 12, 2026
AO/SSGI: Noise reduction. Open

Post-processing

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mrdoob/three.js#33915 · 4 comments · Opened Jun 30, 2026
TSL: toVar inside IF triggers incorrect warning "Declaration name '...' of 'vec3' already in use. Renamed to '...'" Open

TSL

Difficulty 3/5 1-2 days Newbie friendliness 58/100

mrdoob/three.js#33838 · 2 comments · Opened Jun 18, 2026
WebGPURenderer: Material initialization is extremely slow compared to WebGLRenderer Open

Nodes WebGPURenderer

Difficulty 5/5 Over a week Newbie friendliness 35/100

mrdoob/three.js#33821 · 17 comments · 1 reaction · Opened Jun 16, 2026
WebGPURenderer: StorageTexture compute writes not visible to RenderPipeline texture() bindings in same frame Open

WebGPURenderer

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mrdoob/three.js#33795 · Opened Jun 12, 2026
SkinningNode: let an app own skeleton.previousBoneMatrices when it drives skeleton.update() itself (motion vectors for pre-advanced skeletons) Open

Needs Investigation

Difficulty 4/5 3-5 days Newbie friendliness 55/100

mrdoob/three.js#33694 · 1 comment · Opened Jun 1, 2026
WebGPU: Use Immediates were appropriate Open

WebGPURenderer

Difficulty 5/5 Over a week Newbie friendliness 25/100

mrdoob/three.js#33576 · 4 comments · 3 reactions · Opened May 15, 2026
CI: Tests are not consistently running with WebGPU Open

Needs Investigation

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mrdoob/three.js#33559 · 18 comments · Opened May 11, 2026
WebGPURenderer: Use `ReadbackBuffer` in `readRenderTargetPixelsAsync()`. Open

WebGPURenderer

Difficulty 3/5 1-2 days Newbie friendliness 55/100

mrdoob/three.js#33555 · 1 comment · 2 reactions · Opened May 11, 2026
TSL: Switch statement compiled to If else in WGSL Open

Low priority TSL

Difficulty 4/5 3-5 days Newbie friendliness 45/100

mrdoob/three.js#33548 · 1 comment · Opened May 9, 2026
Clarify explicitly UV spaces as "top-right" or "bottom-right", instead of just various flipY=true/false Open

Suggestion

Difficulty 5/5 Over a week Newbie friendliness 35/100

mrdoob/three.js#33531 · 2 reactions · Opened May 5, 2026
TSL: Add support for returning value in `Return()` Open

TSL

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mrdoob/three.js#33403 · 1 reaction · Opened Apr 17, 2026
StorageBufferAttribute: Provide method for creating a GPU-only storage buffer without CPU array Open

WebGPURenderer

Difficulty 3/5 1-2 days Newbie friendliness 62/100

mrdoob/three.js#33280 · 3 reactions · Opened Mar 29, 2026
ArrayTexture: Add support for binding a single layer as a 2d texture Open

Enhancement

Difficulty 5/5 Over a week Newbie friendliness 45/100

mrdoob/three.js#33175 · 2 comments · Opened Mar 14, 2026
WebGLRenderer: Better support for blitFramebuffer Open

Enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mrdoob/three.js#33161 · Opened Mar 12, 2026
TSL: Storage buffers are automatically converted to a scalar uniform if they only have a single element Open

TSL

Difficulty 3/5 1-2 days Newbie friendliness 48/100

mrdoob/three.js#33145 · Opened Mar 10, 2026
ShaderMaterial: Accessing lighting data from a different scene Open

Enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

mrdoob/three.js#33138 · Opened Mar 8, 2026
TSL Structs: Ability to pass structs as uniforms Open

TSL

Difficulty 4/5 3-5 days Newbie friendliness 38/100

mrdoob/three.js#33064 · 5 reactions · Opened Feb 25, 2026
TSL Structs: Improve consistency, add missing member layout data, & other features Open

TSL

Difficulty 5/5 Over a week Newbie friendliness 25/100

mrdoob/three.js#33041 · 4 comments · Opened Feb 22, 2026
TSL: Missing features, memory leaks, unexpected behavior Open

TSL

Difficulty 5/5 Over a week Newbie friendliness 20/100

mrdoob/three.js#32969 · 2 comments · 8 reactions · Opened Feb 8, 2026
Feature Request: Renderer fallback texture can be detected Open

Enhancement WebGPURenderer

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mrdoob/three.js#32920 · 1 comment · Opened Feb 1, 2026
Renderers: Visual inconsistency between sampling straight-alpha textures & premultiplied render targets Open

Needs Investigation

Difficulty 5/5 Over a week Newbie friendliness 25/100

mrdoob/three.js#32802 · 1 comment · Opened Jan 20, 2026
Suggestion: Add "alpha" to Color instance? Open

Suggestion

Difficulty 5/5 Over a week Newbie friendliness 35/100

mrdoob/three.js#32742 · 7 comments · 3 reactions · Opened Jan 13, 2026
Semantics Suggestion: instanceIndex is confusing in two contexts, use invocationId Open

Suggestion TSL

Difficulty 4/5 3-5 days Newbie friendliness 45/100

mrdoob/three.js#32738 · 3 reactions · Opened Jan 13, 2026
Inefficient compute pipeline caching mechanism in webGPU Open

Enhancement WebGPURenderer

Difficulty 4/5 3-5 days Newbie friendliness 42/100

mrdoob/three.js#32735 · 10 comments · 2 reactions · Opened Jan 12, 2026
WebGPURenderer/WebGLBackend with multiview enabled is causing a projection issue with the right eye in WebXR. Open

WebXR

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mrdoob/three.js#32538 · 2 comments · Opened Dec 12, 2025
WebGPURenderer: Reuses the same shader regardless of bone count Open

WebGPURenderer

Difficulty 4/5 3-5 days Newbie friendliness 45/100

mrdoob/three.js#32527 · 6 comments · 1 reaction · Opened Dec 10, 2025
Texture: Support update ranges with other formats than RGBA. Open

Enhancement

Difficulty 3/5 1-2 days Newbie friendliness 42/100

mrdoob/three.js#32469 · 3 comments · Opened Dec 4, 2025
Proposal: instancePositionNode, a post-instanceMatrix hook Open

Enhancement TSL

Difficulty 5/5 Over a week Newbie friendliness 35/100

mrdoob/three.js#32465 · 3 comments · 2 reactions · Opened Dec 3, 2025
TSL Separable blurs and map-driven blurs Open

TSL

Difficulty 5/5 Over a week Newbie friendliness 25/100

mrdoob/three.js#32401 · 2 comments · Opened Nov 28, 2025
EXRExporter: compression, Tiled, Lineorder, Multi-channel, multi-part, deep data. Open

Addons

Difficulty 5/5 Over a week Newbie friendliness 35/100

mrdoob/three.js#32373 · 1 comment · Opened Nov 26, 2025
Additional Physics Properties Open

Addons

Difficulty 5/5 Over a week Newbie friendliness 35/100

mrdoob/three.js#32342 · 3 comments · Opened Nov 24, 2025
Editor: Allow adding URLs instead of files for textures (and other things) Open

Editor

Difficulty 5/5 Over a week Newbie friendliness 30/100

mrdoob/three.js#32306 · 7 comments · Opened Nov 18, 2025

A short digest of beginner-friendly GitHub issues.