https://github.com/mrdoob/three.js/wiki/Migration-Guide#183--184
https://github.com/mrdoob/three.js/milestone/97?closed=1

• Global
  • Update @rollup/plugin-terser to 1.0.0. 456f169 (@mrdoob, @claude)
  • Update ESLint to ECMA 2022. #33128 (@PoseidonEnergy)
  • Added HTMLTexture. #31233 (@mrdoob, @claude)
• AnimationAction
  • Preserve interpolant settings on action creation. #33033 (@gigajuad, @Mugen87)
  • Fix timeScale reversal jump. #33035 (@Mugen87)
• AudioLoader
  • Fix race condition with loading manager. #33378 (@Mugen87)
• BatchedMesh
  • InstancedMesh, BatchedMesh: Fix getColorAt throwing an error when colors have not been set. #33079 (@gkjohnson)
  • Remove deprecated instancing render paths. #33234 (@Mugen87)
• CatmullRomCurve3
  • Geometry corruption on 2-point curves. #33270 (@Necro-Rohan)
• CubeRenderTarget
  • Restore generateMipmaps correctly. #33069 (@PoseidonEnergy)
• DataTextureLoader
  • Fix log regression. #33148 (@Mugen87)
  • Move return in catch block to correct position. #33243 (@Om-Mishra09)
• Dev
  • Fix vulnerabilities. #33141 (@Mugen87)
  • Execute npm audit fix. #33333 (@Mugen87)
• GLSLNodeBuilder
  • Fix texelFetch lod type. #33399 (@Mugen87)
• ImageBitmapLoader
  • Improve docs. #33379 (@Mugen87)
• Inspector
  • Add Memory tab and improve Renderer.info. #33097 (@sunag)
• InstancedMesh
  • add consistent return values to functions. #33059 (@gkjohnson)
• LightProbeGrid
  • Add position-dependent diffuse Global Illumination. #33125 (@mrdoob, @Mugen87, @claude)
• Line2NodeMaterial
  • Fix clone() losing worldUnits, dashed, and linewidth. #33236 (@cyphercodes)
• Line3
  • Handle degenerate line in closestPointToPointParameter(). #33264 (@Necro-Rohan)
• Loaders
  • Make return types in load() consistent. #33380 (@Mugen87)
• MaterialLoader
  • Simplified bool check. #33066 (@PoseidonEnergy)
• Math
  • Make use of Static initialization blocks. #33140 (@PoseidonEnergy)
• MeshPhysicalMaterial
  • Fix Anisotropic regression. #33205 (@Mugen87)
• NodeManager
  • Make delete() more robust. #33160 (@Mugen87)
• NodeMaterialObserver
  • Avoid usage of Object.keys(). #33113 (@Mugen87)
  • Speed up material comparisons. #33198 (@Mugen87)
  • Speed up geometry comparisons. #33199 (@Mugen87)
• NodeObjectLoader
  • Fix parseAsync(). #33377 (@Mugen87)
• NodeUtils
  • Replace instanceof Array with Array.isArray(). #33262 (@Mridul012)
• Object3D
  • Correctly copy pivot. #33163 (@PoseidonEnergy, @Mugen87)
• ObjectLoader
  • Fix log regression. #33240 (@Om-Mishra09)
• PassNode
  • Fix scissor and viewport setup. #33204 (@Mugen87)
• Plane
  • Add clampToLine to intersectLine(). #33398 (@Mugen87)
• Renderer
  • Make hasCompatibility() more predictable. #33087 (@Mugen87, @sunag)
• Renderers
  • Make animation modules more robust. #33159 (@Mugen87)
  • Cache pixel storage parameters. #33227 (@Mugen87)
  • Support EXT_texture_norm16 formats. #33303 (@pohlt, @Mugen87)
• RenderOutputNode
  • Fixes typos in RenderPipeline related docs. #33034 (@jwheare)
• RenderPipeline
  • Fix sync with renderer.outputColorSpace and renderer.toneMapping. #33187 (@sunag)
• RenderTarget
  • Preserve multiview in copy(). #33285 (@Kundan-CR7)
• Shaders
  • Clean up. #33133 (@WestLangley)
• ShadowNode
  • Add support for renderer.highPrecision. #33246 (@shotamatsuda, @sunag)
• SkinnedMesh
  • Update "applyBoneTransform" to optionally take Vector4, support direction or position transformation. #33091 (@gkjohnson)
• Source
  • Fix getSize() for VideoFrame. #33131 (@PoseidonEnergy)
• Texture
  • Remove default setter parameter. #33129 (@PoseidonEnergy)
• Textures
  • Improved HTMLTexture support. #33400 (@mrdoob, @claude)
• Triangle
  • Simpler bool check in isFrontFacing(). #33071 (@PoseidonEnergy)
• TSL
  • Fix array texture with no .depth() defined breaks shader compilation. #33096 (@sunag)
  • Improves compilation performance by 3.0x. #33120 (@sunag)
  • Fix two issues in StorageTextureNode. #33167 (@PoseidonEnergy)
  • add hyperbolic math nodes. #33233 (@thelazylamaGit)
  • Make global context available within compute nodes. #33231 (@shotamatsuda, @sunag)
  • Add global and local scope. #33302 (@sunag)
  • Add OnFrameUpdate and OnBeforeFrameUpdate. #33356 (@shotamatsuda)
• UniformsGroup
  • Fix incorrect index in Vector4 dirty check. #33276 (@Mridul012)
• UniformUtils
  • Fix deep-copy with array of uniforms. #33384 (@Mugen87)
• ViewportDepthTextureNode
  • Fixes framebuffer caching with multiple references of different sizes. #32690 (@arodic)
• WebGLOutput
  • Add DepthTexture to scene render target. c0553ae (@mrdoob, @claude)
• WebGLRenderer
  • Use working color space for render targets. #33036 (@Mugen87)
  • Add support for packed normal maps. #33055 (@castano)
  • Fix feedback loop regression. #33063 (@Mugen87)
  • Fix envMap and background rotation. #33077 (@WestLangley)
  • Fix active texture setting in copyTextureToTexture(). #33153 (@geekuillaume, @Mugen87)
  • Add NodeMaterial compatibility layer. #32851 (@gkjohnson, @sunag)
  • Improve reverse depth buffer logging. #33176 (@Mugen87)
  • Save/restore textureUnits on render state stack. #33217 (@SSopin)
  • Set depth mask when clearing depth. #33241 (@mlavik1)
  • Implement normal bias fallback. #33391 (@Mugen87)
• WebGLTextures
  • Prevent flipping image bitmaps. #33073 (@Mugen87)
• WebGLTimestampQueryPool
  • Fixed warning message. #33068 (@PoseidonEnergy)
• WebGPUBackend
  • Reuse clear color instance. #33189 (@Mugen87)
  • Simplify code. #33388 (@Mugen87)
• WebGPURenderer
  • Make compileAsync() truly non-blocking. #32984 (@RenaudRohlinger, @sunag)
  • Fix texture compare fallback for shadows. #33050 (@Mugen87)
  • Honor layerUpdates for array textures. #33072 (@ahaensler)
  • Improve compatibility test for reversed depth buffer. #33086 (@Mugen87)
  • Make device capabilities handling more consistent. #33094 (@Mugen87)
  • Add individual dispose for CanvasTarget caching. #33106 (@sunag)
  • Remove inline functions in rendering methods. #33108 (@PoseidonEnergy, @Mugen87)
  • Use node events to update the binding groups. #33047 (@sunag)
  • Fix WebXR sampling array-texture. #33132 (@sunag)
  • Simplification of the frame buffer cache for WebXR layers. #33154 (@sunag)
  • Support unfilterable float32 StorageTextures. #33155 (@sunag)
  • Use depth32float instead of depth24plus when using reversedDepthBuffer. #33184 (@PoseidonEnergy, @Mugen87)
  • Ensure render targets have consistent default depth values. #33191 (@Mugen87)
  • Add compute shader bounds check. #33186 (@marcofugaro, @sunag)
  • Refactor env map rotation. #33232 (@Mugen87)
  • Introduce Quad cache per RendeTarget texture. #33228 (@sunag)
  • Implement WEBGL_multi_draw fallback. #33238 (@Mugen87)
  • Fix texture issues. #33296 (@Mugen87)
  • Clean up. #33305 (@Mugen87)
  • Introduce ReadbackBuffer and reuse getArrayBufferAsync() buffers. #33300 (@sunag)
  • Fix WebGPU render bundle reuse across render contexts. #33335 (@RenaudRohlinger)
  • Adjust getArrayBufferAsync behavior, add support for partial readback. #33322 (@gkjohnson, @sunag)
• WebGPUTextureUtils
  • Fix check layerUpdates property. #33075 (@sunag)
  • Fix copyTextureToBuffer() dispose buffer. #33366 (@sunag)
• WebXRController
  • Add grip update event if enabled. #33118 (@danrossi, @Mugen87)
• WGSLNodeBuilder
  • Fix varying indexes. #33229 (@sunag)
  • Fix textureDimensions() cache scope. #33312 (@sunag)
  • Add allowGlobalVariables. #33319 (@sunag)

Docs

• Fix billboarding examples in TSL.md. #33056 (@jwheare)
• Using the correct class type for NodeManager. #33067 (@PoseidonEnergy)
• Fix typo in JSDoc. #33130 (@PoseidonEnergy)
• Improve JSDoc. #33213 (@Mugen87)
• Fix module links in search. #33255 (@Mugen87)
• Fix typos in TessellateModifier and LineMaterial. #33272 (@Jadu07)
• Update incorrect documentation for setMatrixAt. #33310 (@nopeless)
• Improve JSDoc. 37a0863 (@Mugen87)

Manual

• Translate manual/zh/game.html to Chinese. #33123 (@DDDDD12138)
• Remove reference to Matrix4.setRotationFromQuaternion(). #33320 (@Kodub)

Examples

• Add sky to scene. #33037 (@Mugen87)
• Fix colors in webgpu_custom_fog. #33057 (@Methuselah96)
• Fix floor threshold in games_fps. #33053 (@Mugen87)
• Improve watch demo. #33089 (@lo-th, @Mugen87)
• Rename webxr_xr_sculpt to webxr_xr_marchingcubes. 3a0e75b (@mrdoob)
• Improve MapControls demo. #33171 (@Mugen87)
• Add SSGI Ball Pool demo. #33258 (@mrdoob, @claude)
• Fix links missing target="_blank" in webgl_loader_3dtiles example. 11e6acb (@mrdoob, @claude)
• Add volumetric clouds and atmosphere to webgl_loader_3dtiles. #33292 (@mrdoob, @claude)
• fix ArcherRi01 model ext name. #33324 (@linbingquan)
• Update versions for external libraries. #33362 (@gkjohnson)
• Autoplay sintel video, remove Play overlay. f3fa844 (@mrdoob, @claude)
• Remove unused memorial.png texture. 6814f96 (@mrdoob, @claude)
• Add banking to roller coaster track and camera. 354fc4e (@mrdoob, @claude)
• Fix lightprobes complex scene issues. 4cf573d (@mrdoob, @claude)

Addons

• Addons

  • Update export file. #33390 (@Mugen87)

• ArcballControls

  • Controls reset touch-action to empty string instead of 'auto'. #33144 (@Kodub)

• Bayer

  • Bayer node: fix web worker usage. #33279 (@pavel-mazhuga, @Mugen87)

• BufferGeometryUtils

  • Fix two bugs. #33338 (@nameearly)

• CCDIKSolver

  • Fix limitation handling. #33386 (@Mugen87)

• CSMShadowNode

  • Fix error when disposed multiple times. #33202 (@shotamatsuda)

• ChromaticAberrationNode

  • Remove unused _invSize uniform. cbf6fff (@Mugen87)

• ColladaLoader

  • Add suport for polygons primitive. #33143 (@Mugen87)
  • Add support for instance_joint. #33293 (@Mugen87)

• ColorUtils

  • Add setKelvin(). #33381 (@Nedunchezhiyan-M, @Mugen87)

• EXRLoader

  • Support YCbCr and B44/A. #33212 (@Mugen87)
  • Fix channel rule matching. #33216 (@Mugen87)
  • Add multi-part and deep scanline support. #33218 (@Mugen87)
  • Put known headers into "skipped" section. #33248 (@Mugen87)
  • Remove buggy getBigInt64() fallback. #33387 (@Mugen87)

• FBXLoader

  • Add skinning fixes. #33316 (@Mugen87)
  • Correct bind matrix. #33317 (@Mugen87)
  • Fix penumbra computation. #33321 (@Mugen87)
  • Fix rotation animations. #33323 (@Mugen87)
  • Fix opacity fallback. #33325 (@Mugen87)
  • Guard against orphaned animation curve nodes. #33327 (@digitalbreed)
  • Add coordinate system correction for Z-up. #33332 (@Mugen87)
  • Fix morph deltas. #33350 (@Mugen87)

• FSR1Node

  • Add FSR 1 port for WebGPURenderer. #33339 (@Mugen87)

• FirstPersonControls

  • Update interaction model. #33124 (@mrdoob, @claude)
  • Fix deprecated handleResize() message. f5d4b94 (@mrdoob, @claude)

• GLSLDecoder

  • Replace deprecated substr() with slice(). #33260 (@Mridul012)

• GLTFExporter

  • Add EXT_texture_webp support. #33117 (@BorisKourt)
  • Make attribute prefix more robust. #33357 (@Mugen87)

• GLTFLoader

  • Fix morph target parsing. #33020 (@Mugen87)
  • Handle zero ior edge case. #33119 (@Mugen87)

• GPUComputationRenderer

  • Call dispose() on variable's material. #33318 (@madisonrickert, @claude)

• GodraysNode

  • Simplify shadow coord computation. #33162 (@Mugen87)

• HDRLoader

  • Fix header parse logic. #33174 (@stack1ng)

• Inspector

  • Use fixed mini-panel. #33070 (@sunag)
  • Introduce forceWebGL. #33074 (@sunag)
  • Introduce Timeline ( Commands Recorder ). #33078 (@sunag)
  • Add Capture Stack Trace for Settings. #33122 (@sunag)
  • Added string type support to parameters. #33156 (@sunag)
  • Introduce TSL Graph Addons. #33165 (@sunag)
  • Add export functionality to Inspector Timeline tab and enhance call detail logging. #33192 (@Makio64, @sunag)
  • Added Extension support and revisions. #33200 (@sunag)
  • Improvements. #33230 (@sunag)
  • Fix Tab.isActive. 33feff9 (@sunag)
  • Replace deprecated substr() with slice(). #33267 (@Mridul012)

• KTX2Loader

  • Support RGBA 16-bit unsigned normalized formats. #33245 (@donmccurdy, @Mugen87)

• LDrawLoader

  • Fix incorrect normals on double sided faces. #33383 (@Mugen87)

• OutlineNode

  • Support sprites. #33112 (@Mugen87)
  • Early out when nothing is selected. #33358 (@Mugen87)

• Reflector

  • Support orthographic cameras. #33249 (@Mugen87)
  • Clean up. b4822a4 (@Mugen87)

• SSGINode

  • Remove dead code. 4c1fe47 (@mrdoob, @claude)

• SVGLoader

  • Fix round stroke joins and caps when arcDivisions = 1. #33256 (@georgpukk, @Mugen87)

• SVGRenderer

  • Fix performance regression. #33220 (@Mugen87)

• Sky

  • Make sun disc optional. #33031 (@jwheare)

• TAAUNode

  • Adding new node for TAA with Upsampling. #33368 (@Mugen87)

• TRAANode

  • Improve docs. d2d9d40 (@Mugen87)
  • Add velocity node source. #32274 (@shotamatsuda)
  • Add support for reversed/logarithmic depth buffers and orthograhic cameras. #33364 (@shotamatsuda)

• TSL

  • Improve dispose() of some FX addons. #33126 (@Mugen87)

• TransformControls

  • Allow visibility control of plane gizmos. #33170 (@Mugen87)

• USDCParser

  • handle empty array payload and validate offsets. 9a141d0 (@mrdoob)

• USDComposer

  • recurse mesh children and skip GeomSubset nodes. db5f5e5 (@mrdoob)
  • avoid global displayOpacity on subset materials. 7f89d9b (@mrdoob)
  • add Camera prim parsing. 8d9c591 (@mrdoob)
  • Add light support. a158b85 (@mrdoob, @claude)
  • Fix reference parsing. #33294 (@Mugen87)
  • Fix uv data for multi-material meshes. #33297 (@Mugen87)

• USDLoader

  • Fix flat shading on meshes without normals. #33081 (@mrdoob, @claude)
  • Add support for geometric primitives (Cube, Sphere, Cylinder, Cone, Capsule). #33082 (@mrdoob, @claude)
  • Add support for MaterialX UsdPreviewSurface materials. #33083 (@mrdoob, @claude)
  • Add metersPerUnit support. #33084 (@mrdoob, @claude)
  • Fix skeleton skinning distortion. #33085 (@mrdoob, @claude)

• VTKLoader

  • Deprecated loader. #33363 (@Mugen87)

• WebGPURenderer

  • Introduce Dynamic Lights. #33042 (@RenaudRohlinger, @sunag)

• WebXR

  • Added model caching to XRHandModelFactory. #33252 (@NssGourav, @Mugen87)

• meshopt_decoder.module

  • Upgrade meshopt_decoder.module.js to 1.1.1. #33393 (@zeux)

Devtools

• Added new DevTools. #30870 (@mrdoob, @Darkensses, @cesmoak, @claude, @github-advanced-security[bot])

Editor

• add deterministic dropped-file finder for URL resolution. 5213386 (@mrdoob)
• Improve animation panel. #33110 (@Mugen87)
• Add TextGeometry. #33253 (@Mugen87)

Tests

• E2E: Replace SwiftShader with software Dawn (Lavapipe). #33346 (@mrdoob, @claude)
• E2E: Tighten pixel diff tolerance and refresh screenshots. #33389 (@mrdoob, @claude)
• E2E: Added webgpu_compute_sort_bitonic to exceptionList. 4a48e81 (@mrdoob)