https://github.com/mrdoob/three.js/wiki/Migration-Guide#r172--r173 https://github.com/mrdoob/three.js/milestone/86?closed=1

• Global
  • Clean up. #30383 (@s-rigaud)
• BatchedMesh
  • Fix bug in deleteGeometry(). #30304 (@jonathanzopes)
• ChainMap
  • Avoid a redundant internal weak map. #30258 (@ycw)
• ConstNode
  • Optimize indexes. #30388 (@sunag)
• EventDispatcher
  • Obtain _listeners before if block. #30328 (@erasta)
• Geometries
  • Reuse arrayNeedsUint32() from core. #30408 (@Mugen87)
• GLSLNodeBuilder
  • Fix usage of flat qualifier. #30428 (@Mugen87)
• ImageUtils
  • Always use image/png in getDataURL(). #30336 (@Mugen87)
• Line
  • Fix index on intersection. #30424 (@jonathanzopes)
• NodeBuilder
  • Rename .monitor to .observer. #30354 (@sunag)
• NodeBuilderState
  • Update description. #30355 (@sunag)
• Nodes
  • Optimize getCacheKey(). #30259 (@Mugen87)
  • Fix recursion with environment nodes. #30277 (@Mugen87, @sunag)
• NodeMaterialObserver
  • Detect geometry exchange. #30409 (@Mugen87)
• NodeUtils
  • Simplify getCacheKey(). #30303 (@Mugen87)
• PMREMGenerator
  • Don't pollute node material scope. #30324 (@Mugen87)
• PointsNodeMaterial
  • Improve implementation, replace InstancedPointsNodeMaterial. #30300 (@sunag)
• PostProcessing
  • Allow usage with more than one instance. #30279 (@Mugen87)
• RenderContexts
  • Introduce getForClear(). #30256 (@Mugen87)
  • Add missing properties. #30286 (@Mugen87)
• Renderer
  • Fix viewport configuration of ArrayCamera. #30298 (@Mugen87)
  • Remove outdated comment. #30306 (@Mugen87)
  • Introduce colorBufferType. #30425 (@Mugen87)
• RenderObject
  • Fix geometry key for morph targets. #30302 (@Mugen87)
  • Improve cache key computation when rendering shadows. #30316 (@Mugen87)
• TSL
  • Fix optional parameter in Fn(). #30293 (@sunag)
  • Rename varying() to toVarying(), vertexStage() to toVertexStage(). #30356 (@sunag)
  • Add mat2 support. #30364, #30368 (@RenaudRohlinger)
  • Add missing atomicLoad support. #30371 (@RenaudRohlinger)
  • Add matrix operations support for floats. #30370 (@RenaudRohlinger)
  • Introduce array(). #30386 (@sunag)
  • Introduce struct(). #30394, #30426 (@sunag, @Spiri0)
• VarNode
  • Fix getMemberType() reference. #30427 (@sunag)
• VideoFrameTexture
  • Add new class for WebCodecs API. #30270 (@Mugen87, @maddanio)
  • Add isVideoFrameTexture flag. #30381 (@ycw)
• WebGLBackend
  • Fix ArrayCamera pixel ratio. #30338 (@sunag)
  • Fix context parameter. #30413 (@Mugen87)
  • Fix depth formats. #30422 (@Mugen87, @cabanier)
• WebGLBackground
  • Reset meshes in dispose(). #30257 (@Mugen87)
• WebGPUAttributeUtils
  • Fix i16a/u16a patch. #30264 (@ycw)
• WebGPUBackend
  • Fix Timestamp Query. #30299 (@ycw)
• WebGPURenderer
  • Reduce memory churn when using chain maps. #30249 (@Mugen87)
  • Introduce .toConst(), Const(), Var(). #30251 (@RenaudRohlinger, @sunag)
  • Rename timeStampQuerySet to timestampQuerySet. #30289 (@ycw)
  • Derives timestamp buffer size from BigUint64Array. #30290 (@ycw)
  • Fix Occlusion Query logic. #30288 (@ycw, @sunag)
  • Fix shadow regression. #30307 (@RenaudRohlinger)
  • Add .outputType backend parameter. #30320 (@donmccurdy)
  • Fix clear alpha in WebGLBackend. #30329 (@RenaudRohlinger)
  • Improve ArrayCamera performance and fix uniforms. #30313, #30337 (@sunag)
  • Enable dynamic resizing of the cameras array of ArrayCamera. #30353 (@sunag)
  • Introduce TimestampQueryPool. #30359, #30375, #30393 (@RenaudRohlinger)
• WebGPUTextureUtils
  • Improve _copyImageToTexture(). #30260 (@ycw)
• WebXRManager
  • Do not try to init WebXRDepthSensing with cpu-optimized depth. #30241 (@dli7319)
  • Further improvements to WebXR layers feature testing. #30282 (@toji)
  • Safely check for XRWebGLBinding. #30319 (@zonkypop)
• XRManager
  • Add XR manager for WebGPURenderer. #30346, #30348, #30349, #30358 (@Mugen87)
  • Add layers support. #30365, #30417 (@Mugen87)
  • Add MSAA support. #30378, #30418 (@Mugen87)
• XRRenderTarget
  • Add new render target type for XR. #30369 (@Mugen87)

Manual

• Fix OrbitControls usage in Offscreen Canvas demo. #29983 (@Arecsu)
• Improve Chinese translation. #30294 (@evolify)

Docs

• Add documentation of WebGPURenderer and related modules. #30244, #30246, #30250 (@Mugen87)
• Improve BatchedMesh and InstancedMesh page. #30362 (@gkjohnson)
• Improve BlendModes module. #30322 (@Mugen87)
• Improve ConvexGeometry page. #30399 (@erasta)
• Improve LineMaterial page. #29864 (@nyan-left)
• Improve Matrix4 page. #30276 (@Mugen87)
• Improve RawShaderMaterial page. #30431 (@atul-mourya)
• Improve Scene page. #30357 (@Serum0017)
• Improve Texture page. #30285 (@jirihon)
• Improve Color Management guide. #30281 (@donmccurdy)
• Make use of @deprecated tag in JSDoc. #30284 (@s-rigaud)
• Improve JSDoc types. #30271, #30272, #30317, #30318, #30323, #30325, #30280, #30372, #30287, #30382 (@Mugen87, @s-rigaud)

Examples

• Clean up. #30248, #30331, #30332, #30419 (@Methuselah96, @Mugen87)
• Improve webgpu_lights_ies_spotlight example. #30243 (@mrdoob, @sunag)
• Fix glossy material in webgl_geometry_teapot example. #30253 (@erich666)
• Add raycaster helper external demo. #30262 (@Mugen87, @abernier, @gsimone)
• Add webgpu_camera_array example. #30296, #30297 (@Mugen87)
• Fix video decoder stalls issue in webgpu_video_frame example. #30385 (@ycw)
• Combine LUT with coffee smoke demo. #30390 (@Mugen87)

Addons

• CCDIKSolver

  • Fix algorithm broken link. #30266 (@satelllte)

• GLTFLoader

  • Remove redundant decay assignment. #30411 (@s-rigaud)
  • Improve existing JSDoc. #30412 (@s-rigaud)

• InteractiveGroup

  • Add disconnect(). #29975 (@bbsimong, @Mugen87)

• MeshGouraudMaterial

  • Deprecate module. #30314 (@Mugen87)

• OutputPass

  • Support THREE.CustomToneMapping. #30335 (@samposoft)

• TextGeometry

  • Remove deprecated code. #30315 (@Mugen87)

• TSLEncoder

  • Fix transpilation issues. #30410 (@Mugen87)

• WaterMesh

  • Improve lighting support. #30247 (@sunag)