https://github.com/mrdoob/three.js/wiki/Migration-Guide#r165--r166
https://github.com/mrdoob/three.js/milestone/79?closed=1

• BatchedMesh
  • Add support for instanced rendering with sorting, frustum culling. #28456, #28462 (@gkjohnson)
  • Avoid primitive restart values in index array. #28641 (@donmccurdy)
  • Update references to BatchedMesh.maxGeometryCount. #28694 (@Methuselah96)
• CompressedArrayTexture
  • Rename addLayerUpdates() to addLayerUpdate(). #28679 (@HunterLarco)
  • Support all texture formats in addLayerUpdate(). #28654 (@HunterLarco)
• Light
  • Ensure target can be serialized/deserialized. #28696 (@Mugen87)
• LightShadow
  • Add intensity. #28588 (@Mugen87, @WestLangley)
• Material
  • Remove obsolete callbacks. #28702 (@Mugen87)
• Object3D
  • Respect matrixWorldAutoUpdate in matrix update methods. #28533 (@CodyJasonBennett)
• TextureUtils
  • Add contain(), cover() and fill(). #28713 (@Mugen87, @WestLangley, @abernier)
• WebGLRenderer
  • Sort objects in clip space. #28474, #28571 (@eiriklegernaes)
  • Add missing parameters to copyTextureToTexture(). #28663 (@gkjohnson)
• WebGLUniforms
  • Assign compareFunction lazily to retain tree-shaking. #28670 (@CodyJasonBennett)
• WebXRManager
  • Add access to WebXR depth texture. #27695 (@cabanier)

Documentation

• Fix broken links. #28536, #28590, #28715 (@Mugen87, @YasharSL)
• Improve Chinese translation. #28550, #28561, #28576, #28619, #28621, #28622, #28626, #28625, #28634, #28643, #28657 (@appache163, @mmjinglin163, @ycw)
• Improve WebGL compatibilty guide. #28630 (@Mugen87)
• Improve GLTFExporter page. #28649 (@trusktr)
• Improve Material page. #28750 (@satelllte)
• Add page for TeapotGeometry. #28633, #28664 (@hongchristopher, @Mugen87)

Examples

• Clean up. #28540 (@linbingquan)
• Revert tween.js upgrade. #28554 (@Mugen87)
• Remove broken iCCP chunks in some PNG files. #28564 (@chirsz-ever)
• Add webgpu_tsl_interoperability example. #28379, #28706 (@cmhhelgeson, @Methuselah96)
• Don't accumulate tiny translations in games_fps example. #28662 (@ycw)
• Replace ./jsm/ in import statements with three/addon. #28724 (@chirsz-ever)
• Fix webgpu_storage_buffer example. #28729 (@sunag)

• FBXLoader

  • Support more texture formats. #28515 (@catalin-enache)

• GLTFLoader

  • Use ImageBitmapLoader in Safari >= 17. #28560, #28712 (@paugit, @RenaudRohlinger)

• GPUComputationRenderer

  • Make use of FullScreenQuad. #28637 (@Mugen87)

• Node

  • Introduce updateAfter(). #28552 (@RenaudRohlinger)
  • Introduces cache hierarchy. #28585 (@sunag)
  • Add cache hierachy to StorageBufferNode. #28607 (@RenaudRohlinger)
  • Add SobelOperatorNode. #28733 (@Mugen87)
  • Revision linearDepth property in PassNode. #28737 (@sunag)
  • Add DepthOfFieldNode. #28740 (@Mugen87)
  • Fix setUsage() on non-InterleavedBuffer in BufferAttributeNode. #28742 (@RenaudRohlinger)
  • Add DotScreenNode and RGBShiftNode. #28755 (@Mugen87)

• RenderTransitionPass

  • Simplify render(). #28555 (@Mugen87)

• SSAOPass

  • Remove one copy pass. #28744 (@Mugen87)

• TSL

  • Add transpose() function. #28539 (@aardgoose)
  • Fix label() usage in uniform(). #28548 (@sunag)
  • Fix float over float conversion. #28562 (@sunag)
  • Add Return expression. #28595 (@RenaudRohlinger)
  • Support int/uint in UniformsNode. #28666, #28667 (@RenaudRohlinger)
  • Respect types in WGSL layouts. #28669 (@RenaudRohlinger)
  • wgslFn added alias and revision. #28680, #28686, #28687 (@sunag, @cmhhelgeson)
  • Fix WGSL Functions using wrong type. #28690 (@RenaudRohlinger)
  • Improve tree shaking support. #28707 (@sunag)
  • Operator - Left to right associativity. #28709 (@sunag)
  • Bidirectional associative. #28710 (@sunag)
  • Update MaterialX library. #28711 (@sunag)
  • Support non-dynamic matrice update. #28716 (@RenaudRohlinger)
  • UniformsNode aligned TypedArray to format. #28723 (@RenaudRohlinger)
  • Depth nodes revision. #28720 (@sunag)
  • Improve range() size. #28745 (@sunag)
  • Fix analyze in varying(). #28746 (@sunag)

• USDZLoader

  • Make parsing more spec-conformant. #28639 (@Mugen87)
  • Fix geometry and material parsing. #28647 (@Mugen87)
  • Support quads as triangles. #28648 (@Mugen87)
  • Throw error instead of warning. #28685 (@zaesur)

• ViewHelper

  • Make label text and style configurable. #28688 (@puxiao)

• WebGPURenderer

  • Clean up. #28717 (@RenaudRohlinger)
  • Cache the result of gl.getExtension() calls as intended. #28553 (@aardgoose)
  • Introduce PostProcessing.needsUpdate. #28583 (@sunag)
  • Remove redundant check for instance support. #28596 (@aardgoose)
  • Add support for NeutralToneMapping. #28609 (@Mugen87)
  • Int/Uint Support to StorageBufferNode in WebGLBackend. #28606 (@RenaudRohlinger)
  • RectAreaLight support. #28580 (@aardgoose)
  • Allow using StorageBuffer directly as attribute in nodes. #28620 (@RenaudRohlinger)
  • Fix Storage Buffer fallback in WebGLBackend. #28644 (@RenaudRohlinger)
  • Override alpha channel to 1 for opaque materials. #28646 (@RenaudRohlinger)
  • Enhance GLSL Error in WebGLBackend. #28594 (@RenaudRohlinger)
  • Add missing parameters to copyTextureToTexture() in WebGLBackend. #28676 (@sunag)
  • Introduce biquadraticTexture filtering. #28673 (@sunag)
  • Revision texture filtering and rain example. #28682 (@sunag)
  • Remove .isInstancedMesh needs. #28683 (@sunag)
  • Fix uniform update tests. #28698 (@sunag)
  • Update attribute only when needed. #28701 (@RenaudRohlinger)
  • Optimize interleaved buffer update. #28704 (@z4122)
  • Introduce Bind Groups. #28705 (@sunag)
  • Fix fog=false and snow example. #28718 (@sunag)
  • Fix StorageBuffer fallback in WebGLBackend. #28722 (@RenaudRohlinger)
  • Bind groups cache per renderer. #28730 (@sunag)
  • Improve performances for trackTimestamp in WebGPU. #28741 (@sunag)
  • Read/Write only Storage Buffer creation. #28435 (@cmhhelgeson)
  • Fix Light+NormalMaterial. #28747 (@sunag)
  • Improve performance tracking logic for better accuracy. #28748 (@RenaudRohlinger

Editor

• Alerts if invalid material is found when rendering image in REALISTIC. #28518 (@ycw)
• Update three-gpu-pathtracer to 0.0.23. #28587 (@ycw)
• Add shadow intensity support. #28597, #28604 (@Mugen87, @ycw)
• Fixed warning message typo in sw.js. #28603 (@ycw)
• Introduce SetShadowValueCommand. #28608, #28616 (@Mugen87, @ycw)
• Fix UI of geometry generators when undo/redo. #28610 (@Mugen87)
• Dispose object's helper when removing helper. #28614 (@ycw)
• Fixed wrong UI element for "Cap Seg". #28612 (@ycw)
• Sync VertexNormalHelper with geometry. #28613 (@ycw)
• Remove <!-- includes --> replacement code when publish app. #28627 (@ycw)
• Refresh geometry UI only if needed. #28624 (@ycw)
• Fix undo/redo of points. #28677 (@Mugen87)
• Remove reference to targetInverse. #28721 (@Mugen87)