https://github.com/mrdoob/three.js/wiki/Migration-Guide#r177--r178
https://github.com/mrdoob/three.js/milestone/91?closed=1

• Global
  • Remove deprecated code. #31254 (@Mugen87)
  • Correct the blending formulas in all renderers. #31246 (@WestLangley)
  • Upgrade monaco-editor. #31300 (@linbingquan)
  • Initial support for Float16Array in renderers. #31305 (@Mugen87)
• Clock
  • Inline performance.now(). #31295 (@linbingquan)
• Frustum
  • Honor sprite offset in intersectsSprite(). #31307 (@Mugen87)
• GLBufferAttribute
  • Add normalized property. #31268 (@Rtwo-Dtwo)
• ImageLoader
  • Optimize caching. #31258 (@Mugen87)
• Loader
  • Use unique cache keys per loader type. #31315, ac07a8a, ee327fd (@Mugen87, @mrdoob)
• NodeBuilder
  • Fix interpolation specifier. #31222 (@cmhhelgeson)
• NodeMaterial
  • Honor material.premultipliedAlpha in the shader. #31166 (@WestLangley)
• Quaternion
  • Update epsilon in setFromUnitVectors(). #31302 (@Mugen87)
• RenderObject
  • Check attributes version of the geometry. #31227 (@sunag)
• SampleNode
  • Remove PURE annotation. #31293 (@Mugen87)
• TSL
  • Fix Fn as parameter. #31214 (@sunag)
  • Introduce sample(). #31287 (@sunag)
  • Introduce textureBicubicLevel(). #31288 (@sunag)
  • Move TriplanarTexturesNode to triplanarTextures() Fn. #31285 (@sunag)
  • Move EquirectUVNode to equirectUV() Fn. #31283 (@sunag)
  • Move MatcapUVNode to matcapUV Fn constant. #31284 (@sunag)
  • Remove transformed* prefix. #31271 (@sunag)
  • Fix convertToTexture() auto resize. #31277 (@sunag)
  • Fix outgoingLight redeclaration. #31266 (@sunag)
  • Introduce Chromatic Aberration. #31236 (@pashaydev)
  • Fix inconsistent chaining for step() (Parameter order). #31241 (@sunag)
  • Rename premult to premultiplyAlpha. #31240 (@sunag)
  • Introduce tangentViewFrame and bitangentViewFrame. #31282 (@sunag)
  • Use node.nodeType instead of safeGetNodeType(). #31328 (@sunag)
  • Introduce subBuild(). #31260 (@sunag)
• WebGLPrograms
  • Don't use flat shading with enabled wireframe. #31242 (@Mugen87)
  • Fix cache key with gradient maps. #31292 (@Mugen87)
• WebGLRenderer
  • Correctly restore render target during transmission pass. #31320 (@Mugen87)
• WebGPUConstants
  • Add missing features. #31323 (@cmhhelgeson)
• WebGPURenderer
  • Use correct invalidation array in WebGL backend. #31255 (@cabanier)
  • Make MSAA with MRT work with WebGL backend. #31228 (@Mugen87)
  • Honor depth/stencil in blitFramebuffer(). #31219 (@Mugen87)
  • Add Storage3DTexture and StorageArrayTexture. #31175, #31327 (@Spiri0, @sunag)
  • Allow storage buffer on Iindex attribute. #31335 (@RenaudRohlinger)
• XRManager
  • Silence opaque framebuffer warning. #31201 (@cabanier)
• XRRenderTarget
  • Clean up. #31210 (@Mugen87)

Docs

• Improve JSDoc. #31261, #31224, #31317 (@linbingquan, @SamJB123)

Manual

• Open external links in new tab. #31273 (@Mugen87)
• Fix code typo in scene graph page. #31289 (@MeirArani)
• Improve French translation. #31252 (@AlexandreGagne10)
• Fix links to homepage. #31301 (@Mugen87)

Examples

• Clean up. #31265, #31303, 15ff86b, 4106588 (@zeevick10, @Methuselah96. @mrdoob)
• Improve water demo. #31291, a9666c6 (@Mugen87, @mrdoob)
• Add BatchedMesh LOD and BVH example page. #31239 (@agargaro)
• Merge geometry demos. #31253 (@Mugen87)
• Fix GUI colors in webgpu_compute_cloth example. #31232 (@WestLangley)
• Fix instancedArray() usage of webgpu_compute_birds. #31230 (@sunag)
• Fix texture path of webgpu_sandbox. #31217 (@sunag)
• Merge OBJ demos. #31216 (@Mugen87)
• Add new path demo. #31209 (@Mugen87)
• Add webgpu_reflection_roughness. #31294, c06fa76, f7e8be0 (@sunag, @mrdoob)
• Improve lottie example. #31321 (@linbingquan)
• Add window resize event to webgl_geometry_extrude_shapes. #31324 (@linbingquan)

Addons

• ArcballControls

  • Add passive: false for wheel event. #31259 (@juji)

• FBXLoader

  • Gracefully handle missing color data. #31248 (@Mugen87)

• RapierPhysics

  • Add removeMesh(). #31296, #31298 (@linbingquan)

• RoundedBoxGeometry

  • Fix parameters of the parent class. #31319 (@linbingquan)

• TransformControls

  • Make gizmo colors configurable. #31262 (@Mugen87)

• TSL Transpiler

  • Add support for switch statements. #31272 (@cmhhelgeson)
  • Fix unary negate after arithmetic operator. #31297 (@sunag)
  • Add simplified Fn() layout. #31299 (@sunag)
  • Introduce Linker and improvements. #31314 (@sunag)
  • Introduce WGSLEncoder. #31329 (@sunag)

Editor

• Fix typo in comment. #31264 (@vtjl10)