• fix(addons): render atmosphere PBR materials in their creation frame - by RaananW (#18670)

• Add an emitRateControl setter to GPUParticleSystem - by VicenteCartas (#18674)
• Preserve particle texture settings when serializing by reference - by VicenteCartas (#18673)
• Fix ParticleSystem.clone() / GPUParticleSystem.clone() changing the particle texture - [Bug Fix] by VicenteCartas (#18672)
• fix: restore side-effect registrations dropped by the 9.15 pure/non-pure split - by RaananW (#18671)
• fix(AudioV2): propagate live loopStart/loopEnd changes to playing static sounds - by RaananW (#18669)
• WebGPU projection layer + render target provider - by RaananW (#18655)
• fix(AudioV2): resume looping static sound from correct position with loopStart/loopEnd - by RaananW (#18661)
• Fix lighting volume WGSL depth texture binding - by matthargett (#18658)
• TC39 migration: flip experimentalDecorators to Stage 3 decorators (atomic) - by RaananW (#18647)
• fix(core): shrink thin-engine bundle (remove fileTools force-link + thin-closure stubs) - by RaananW (#18656)
• WebGPU-compatible XR session + XRGPUBinding plumbing - by RaananW (#18650)
• WebGPU-XR Phase 0: decouple WebXR from WebGL with API-agnostic seams - by RaananW (#18645)

• TC39 migration: flip experimentalDecorators to Stage 3 decorators (atomic) - by RaananW (#18647)

• Add support for loading .babylonproj files in Sandbox - [New Feature] by georginahalpern (#18666)
• feat(inspector): expose PBR metallic texture channel mapping (glTF ORM) - by ryantrem (#18667)

• KHR_gaussian_splatting gltf extension - by CedricGuillemet (#18659)

• TC39 migration: flip experimentalDecorators to Stage 3 decorators (atomic) - by RaananW (#18647)

• TC39 migration: flip experimentalDecorators to Stage 3 decorators (atomic) - by RaananW (#18647)

• TC39 migration: flip experimentalDecorators to Stage 3 decorators (atomic) - by RaananW (#18647)

• TC39 migration: flip experimentalDecorators to Stage 3 decorators (atomic) - by RaananW (#18647)

• TC39 migration: flip experimentalDecorators to Stage 3 decorators (atomic) - by RaananW (#18647)

• TC39 migration: flip experimentalDecorators to Stage 3 decorators (atomic) - by RaananW (#18647)

• Add support for loading .babylonproj files in Sandbox - [New Feature] by georginahalpern (#18666)

• TC39 migration: flip experimentalDecorators to Stage 3 decorators (atomic) - by RaananW (#18647)

• TC39 migration: flip experimentalDecorators to Stage 3 decorators (atomic) - by RaananW (#18647)

• TC39 migration: flip experimentalDecorators to Stage 3 decorators (atomic) - by RaananW (#18647)
• Viewer: Treat OpenPBRMaterial as PBR for light setup - by MiiBond (#18622)
• Upgrade Vite to 8.1.3 (Rolldown) for faster tool builds - by RaananW (#18649)

• Keep pure barrels side-effect-free in gui, loaders, and atmosphere addon - by RaananW (#18625)

• TC39 prep: Symbol.metadata-based serialization decorator store (no behavior change) - by RaananW (#18631)
• Normalize diagonal keyboard movement for Free, Fly, and ArcRotate cameras - [Bug Fix] by georginahalpern (#18634)
• fix(core): restore CubeTexture static crash in EnvironmentHelper (pure barrel) - by RaananW (#18629)
• Fix WGSL exact sRGB conversions failing on WebGPU - by RaananW (#18628)
• fix(core): register PostProcess side-effects for tree-shaken SSAO2 - by ryantrem (#18624)
• Fix unregistered image processing parser breaking material clone in tree-shaken builds - by RaananW (#18623)
• OpenPBR Fuzz Fixes - by MiiBond (#18617)
• fix(core): register hard side-effect dependencies at construction time for pure barrel - by RaananW (#18620)
• Geospatial camera: configurable double-tap fly-to, primary-pointer guard, and normalized keyboard pan - [Bug Fix] by georginahalpern (#18616)
• fix: four pure-import / tree-shaking regressions (clearQuad 404, clustered lighting, snapshot helper, glTF worker materials) - by RaananW (#18618)

• Keep pure barrels side-effect-free in gui, loaders, and atmosphere addon - by RaananW (#18625)
• Remove side-effect import closure baseline mechanism - by RaananW (#18619)

• Keep pure barrels side-effect-free in gui, loaders, and atmosphere addon - by RaananW (#18625)
• fix: four pure-import / tree-shaking regressions (clearQuad 404, clustered lighting, snapshot helper, glTF worker materials) - by RaananW (#18618)

• fix(sandbox): load glTF extensions, animation side-effects, and inspector in dev - by RaananW (#18627)

• fix(core): register PostProcess side-effects for tree-shaken SSAO2 - by ryantrem (#18624)

• feat: HTML-in-Canvas (WICG) support — HtmlTexture, interaction managers, polyfill installer - by RaananW (#18604)
• Fix Gaussian Splatting GPU picking and IBL voxelization - by raymondyfei (#18612)
• Flow Graph Editor: playground snippet auto-load, no auto-run on load, and stopped-state variable types - by RaananW (#18611)
• IBL Shadows frame graph hardening - by MiiBond (#18608)
• Report engine.name "Native" and implement updateTextureData - by bkaradzic-microsoft (#18566)
• GS + bucket sort + RH - by CedricGuillemet (#18606)
• Fix RectAreaLight serialization: position, photometric scale, and emission texture - by SergioRZMasson (#18605)
• fix overrides on morphs - by sebavan (#18595)
• fix(AudioV2): apply play options when resuming a paused sound - by RaananW (#18601)
• Add canvasTabIndex engine option - by RaananW (#18598)
• Fix VideoTexture not updating under WebGPU FAST snapshot rendering - [Bug Fix] by Popov72 (#18591)
• Decouple camera inertia glide cutoff from camera.speed - by georginahalpern (#18589)
• GS streaming lod part3 - by CedricGuillemet (#18588)
• Add cube render target support to the native engine - by bkaradzic-microsoft (#18561)

• build(treeshaking): make gui/loaders/serializers side-effect-free (.pure/.types split) - by RaananW (#18610)

• build(treeshaking): make gui/loaders/serializers side-effect-free (.pure/.types split) - by RaananW (#18610)
• Fix glTF morph target animation stutter from shader recompiles - [Bug Fix] by PatrickRyanMS (#18596)
• fix(OBJ): Guard empty vertex buffers when normals/uvs/colors are absent - by raymondyfei (#18597)
• fix(SPLAT): Fix GSplat PLY misclassified as point cloud when both RGB and f_dc colors present - by raymondyfei (#18593)
• GS streaming lod part3 - by CedricGuillemet (#18588)

• fix(playground): declare uuid as a direct dependency to fix broken build - by RaananW (#18609)
• Playground: support importing external resources by absolute URL - by RaananW (#18599)

• fix(sandbox): import LoadingScreen side-effect in renderingZone - by RaananW (#18614)
• Add FBX support to the Sandbox - [New Feature] by PatrickRyanMS (#18607)

• Rework SceneLoader and add unit tests - [Bug Fix] by ryantrem (#18590)
• Auto-populate is2DArray/depth in wrapNativeTexture from native layer count - [Bug Fix] by bghgary (#18535)
• Add GPU picker depth point and normal support - by Celeste-twinkle (#18572)
• Honor depthCullingState.depthTest on the native engine - by bkaradzic-microsoft (#18558)
• GS streaming/lod part2 - by CedricGuillemet (#18585)

• GS streaming/lod part2 - by CedricGuillemet (#18585)

• Rework SceneLoader and add unit tests - [Bug Fix] by ryantrem (#18590)
• GS streaming/lod part2 - by CedricGuillemet (#18585)

• Add NullEngine multiview render-state testability - by matthargett (#18576)
• Fix GeospatialCamera zoom-while-rotating and updateFlyToDestination - [Bug Fix] by georginahalpern (#18582)
• Fix camera frozen in UMD build (inertia undefined): use local field instead of super.inertia accessor - by georginahalpern (#18580)
• Fix FreeCamera/FlyCamera input regression: apply active input below the legacy epsilon glide cutoff - [Bug Fix] by georginahalpern (#18578)
• Coalesce shared delay-loaded geometry/mesh file requests - [Bug Fix] by georginahalpern (#18570)
• GS Streaming - by CedricGuillemet (#18563)
• fix(core): restore Buffers/buffer.align side effect for Native engine - by CedricGuillemet (#18565)
• Fix(GreasedLine): guard grl_offsets behind GREASED_LINE_USE_OFFSETS in GLSL shaders (match WGSL) - by bkaradzic-microsoft (#18571)
• Port framerate-independent camera movement and configurable input to FreeCamera and FlyCamera - by georginahalpern (#18573)
• Move scissor to core as an opt-in engine extension - by AmoebaChant (#18547)

• GS Streaming - by CedricGuillemet (#18563)

• GS Streaming - by CedricGuillemet (#18563)

• Fix USDZ export for cached unsupported texture formats - [Bug Fix] by alexchuber (#18559)

• Atmosphere import updates - by kircher1 (#18536)

• fix(Gsplat): Sort Worker Message Starvation in GaussianSplattingMesh - by raymondyfei (#18554)
• Accept AbstractEngine in ThinRenderTargetTexture constructor - by AmoebaChant (#18557)
• Fix CSG2 boolean operations for right-handed (glTF) meshes - [Bug Fix] by deltakosh (#18556)
• Warn when uniform-stored bone matrices risk overflowing the vertex-uniform budget - by matthargett (#18543)
• Fix PhysicsAggregate mutating caller's options object - [Bug Fix] by CedricGuillemet (#18555)
• Fix NME post process / smart filter / procedural modes failing with 404 shader errors - [Bug Fix] by deltakosh (#18549)
• Fix reentrant remove behavior - by CedricGuillemet (#18552)
• incorrect side effect setting in rendeing pipline - by RaananW (#18546)
• FrameGraph Geometry Renderer: Fix screenspace texture clear in reverse Z mode - [Bug Fix] by Popov72 (#18545)
• Support SSAO2 with world-space normals - by matthargett (#18539)
• Add HALF_FLOAT vertex buffer type support - by wiiskii (#18524)
• Remove side-effect import closure baseline - by RaananW (#18540)
• Node material: Fix PrePassOutput block in WebGPU - [Bug Fix] by Popov72 (#18544)
• fix(GSplat): Gaussian Splatting shadow-caster geometry left dangling after camera disposal - by raymondyfei (#18541)
• Fix KTX noMipmap flip for compressed sRGB mipmaps - [Bug Fix] by matthargett (#18538)

• Fix reentrant remove behavior - by CedricGuillemet (#18552)

• Add WGSL shader paths for GUI3D and GPU particles - by matthargett (#18460)
• fix(FlowGraph): allow CancelDelay to cancel the first scheduled delay - by marns (#18517)
• Move custom frame requester to AbstractEngine to enable 120fps support in BabylonNative - by matthargett (#18521)
• Add RegisterPBRMaterial alias to RegisterPbrMaterial - by RaananW (#18528)
• Add waveform analyzer data to AudioEngineV2 - [New Feature] by RaananW (#18529)
• Native: prefer setRenderResetCallback with legacy setDeviceLostCallback fallback - by bghgary (#18518)

• feat(mcp): Add MCP servers for Babylon.js graph editors - [New Feature] by RaananW (#18344)
• Add WGSL shader paths for GUI3D and GPU particles - by matthargett (#18460)

• Add WGSL shader paths for GUI3D and GPU particles - by matthargett (#18460)
• Add an option to disable teaching moments - [New Feature] by ryantrem (#18508)

• Viewer NRG Support - by MiiBond (#18495)

• Viewer NRG Support - by MiiBond (#18495)

• Make smartAssetManager tree-shakeable - by georginahalpern (#18516)
• Add DOM-free font offset fallback - by matthargett (#18463)
• Fix: DSM detects modern Xbox controllers on Linux as Generic - by AmoebaChant (#18514)
• feat(Gsplat): Add auto-tracking to GaussianSplattingDebugger for compound mesh mutations - by raymondyfei (#18515)

• Make smartAssetManager tree-shakeable - by georginahalpern (#18516)

• Updating worker name for webpack - [Bug Fix] by VicenteCartas (#18519)

• feat(GridMaterial): Multi-scale LOD, horizon fade, depth compositing, and above/below color - by raymondyfei (#18509)

• PBR: Fix refraction intensity applied to irradiance - [Bug Fix] by Popov72 (#18513)

• fix(xr): correct hand/wrist twist orientation on XR body tracking entry - by RaananW (#18505)
• Fix thin-instance bounds for baked vertex animation - [New Feature] by Popov72 (#18512)
• Add selection outline depth occlusion toggle - [Bug Fix] by Popov72 (#18498)
• fix(GSplat): Multiple Critical Voxelization and Compound Bugs - by raymondyfei (#18496)
• Prevent render target camera swaps from notifying active camera observers - [Bug Fix] by Popov72 (#18500)
• GS fix small issues - [Bug Fix] by CedricGuillemet (#18499)
• Fix opacity blending in OpenPBR - [Bug Fix] by MiiBond (#18497)
• Use SOG texture option - by CedricGuillemet (#18475)
• Add Audio V2 support to Inspector v2 - [New Feature] by ryantrem (#18480)

• Inspector V2: add material texture debug toggle and improve scene explorer tooltips - by ryantrem (#18494)
• Add Audio V2 support to Inspector v2 - [New Feature] by ryantrem (#18480)

• fix(GSplat): Multiple Critical Voxelization and Compound Bugs - by raymondyfei (#18496)
• Fix opacity blending in OpenPBR - [Bug Fix] by MiiBond (#18497)
• Use SOG texture option - by CedricGuillemet (#18475)

• Add Lottie compatibility options for text and solid layers - [Bug Fix] by VicenteCartas (#18507)

• Fix Playground loading with older framework versions - [Bug Fix] by RaananW (#18501)