• Split batches by castShadow and shadowCascadeMask by @mvaligursky in #8650
• Use unsigned 32-bit depth bits when reconstructing pick depth from RGBA8 by @slimbuck in #8651
• Defer WebGPU buffer destruction until after pending command buffers are submitted by @slimbuck in #8652

• @mvaligursky
• @slimbuck

Full Changelog: https://github.com/playcanvas/engine/compare/v2.18.0...v2.18.1

• Remove per-resource instance vertex buffer from GSplat rendering by @mvaligursky in #8513
• Expose GSplat rendering properties on GSplatParams by @mvaligursky in #8518
• Add HTML-in-Canvas support with texElementImage2D and interactive hit testing by @mvaligursky in #8519
• Refactor GSplatRenderer into base class with GSplatQuadRenderer derived class by @mvaligursky in #8520
• Refine GSplatRenderer API: rename methods for clarity by @mvaligursky in #8522
• Extract FramePass base class from RenderPass by @mvaligursky in #8523
• Add WebGPU subgroup operations support by @mvaligursky in #8528
• Optimize GPU radix sort with bitmask ranking and multi-element processing by @mvaligursky in #8529
• Add compute-based tiled GSplat renderer (WebGPU) by @mvaligursky in #8531
• Add local compute GSplat renderer and dynamic buffer sizing (WebGPU) by @mvaligursky in #8536
• Replace full-screen quad composite with tile-based indirect draw in local compute GSplat renderer by @mvaligursky in #8544
• Add orthographic camera support to compute GSplat renderers by @mvaligursky in #8545
• Improve compute GSplat rendering and add tonemapping support by @mvaligursky in #8546
• Support dynamic work buffer formats in compute GSplat renderers by @mvaligursky in #8547
• Remove redundant shader includes from ShaderUtils.createShader callers by @slimbuck in #8551
• Add WebGPU Bare device type for testing without optional features by @mvaligursky in #8555
• Add picking support and fix color pipeline in local compute GSplat renderer by @mvaligursky in #8556
• Remove global compute GSplat renderer by @mvaligursky in #8558
• Remove per-splat GPU compaction for CPU sort path by @mvaligursky in #8559
• Extract GSplatFrustumCuller from GSplatWorkBuffer by @mvaligursky in #8560
• Merge frustum culling into compute, convert to storage buffers, fix >16M splat dispatch by @mvaligursky in #8561
• Make frustum culling always-on and remove dead pcNodeIndex pipeline by @mvaligursky in #8562
• Reduce register pressure in compute GSplat TileCount projection by @mvaligursky in #8563
• Store conic form in projection cache to avoid per-tile conversion by @mvaligursky in #8565
• Add GSplatParams.renderer enum for runtime renderer selection by @mvaligursky in #8567
• Remove centers array dependency from GSplatInfo interval check by @mvaligursky in #8568
• Add minContribution property for compute GSplat contribution culling by @mvaligursky in #8571
• Increase default minContribution from 2 to 3 by @mvaligursky in #8575
• Add fisheye projection for Gaussian splats by @mvaligursky in #8576
• Add fisheye projection support for skybox by @mvaligursky in #8577
• Refactor rasterize variant management and beforePasses scheduling by @mvaligursky in #8579
• Add depth testing for compute GSplat renderer when CameraFrame depth prepass is enabled by @mvaligursky in #8581
• Simplify Camera.beforePasses to a plain FramePass array by @mvaligursky in #8582
• Add fog support for Gaussian splat rendering by @mvaligursky in #8583
• Replace atomic scatter with pair-buffer tile binning and cooperative large-splat processing by @mvaligursky in #8586
• Split viewDepth into separate depthBuffer for sort cache locality by @mvaligursky in #8587
• Move FisheyeProjection to scene/graphics for shared use by @mvaligursky in #8588
• Modernize README and improve npm discoverability by @willeastcott in #8591
• Remove Bundlephobia badge from READMEs by @willeastcott in #8592
• Per-node granular SH color updates with angle-based threshold by @mvaligursky in #8593
• Optimize tile-count pass with multi-splat threads and extract dispatch prep shaders by @mvaligursky in #8594
• Remove workgroup-level early-out atomics from rasterize pass by @mvaligursky in #8596
• Vectorize Gaussian evaluation across 2x2 pixel quad in rasterize pass by @mvaligursky in #8597
• Unify GSplat debug rendering into a single enum-based API by @mvaligursky in #8598
• Add heatmap debug mode for compute GSplat rasterizer by @mvaligursky in #8599
• Revert tile-count pass to single-splat-per-thread by @mvaligursky in #8603
• Decouple compute GSplat renderer from work buffer via setDataSource by @mvaligursky in #8605
• Add shader defines for prepass to support alpha test and dithered opacity by @slimbuck in #8606
• Improve GSplat compute renderer cold-start buffer capacities by @mvaligursky in #8610

• Reset render pass merge flags each frame in FrameGraph.compile() by @mvaligursky in #8516
• Fix TAA ghosting artifacts on WebGPU by @mvaligursky in #8517
• Prevent division by zero in CAS sharpening shader by @slimbuck in #8532
• Preserve blend state in drawQuadWithShader / RenderPassQuad by @mvaligursky in #8535
• Fix double decrement of octree file ref counts on entity disable by @mvaligursky in #8537
• Use y-first approach in Compute.calcDispatchSize to minimize wasted workgroups by @mvaligursky in #8538
• Round up compressed texture dimensions to block size on WebGPU by @mvaligursky in #8540
• Replace StopThePop tile intersection with exact FlashGS method in compute GSplat by @mvaligursky in #8548
• Smooth Gaussian falloff for capped splat radii in compute renderer by @mvaligursky in #8549
• Avoid workgroupUniformLoad on atomic type for iOS WGSL compatibility by @mvaligursky in #8552
• Use unfilterable-float sample type for RGBA32F textures in node culling shader by @mvaligursky in #8553
• Use unfilterable-float sample type for RGBA32F GSplat textures on WebGPU by @mvaligursky in #8554
• Pass alphaClip to scatter pass instead of hardcoding 1/255 by @mvaligursky in #8564
• Match quad renderer near-plane behavior in compute GSplat renderer by @mvaligursky in #8566
• Match raster minPixelSize culling threshold in compute GSplat renderer by @mvaligursky in #8569
• Use logarithmic depth quantization in compute GSplat bitonic sort by @mvaligursky in #8570
• Match raster Gaussian radius cap in compute GSplat renderer by @mvaligursky in #8573
• Improve compute GSplat tile entry buffer scaling to reduce overflow artifacts by @mvaligursky in #8574
• Preserve layerPlacementsDirty flag when octree placements are removed by @mvaligursky in #8584
• Include fresnelSchlick chunk when refraction is enabled without specular by @willeastcott in #8595
• Suppress frame:ready until full LOD update after param changes by @mvaligursky in #8602

• Fix FOV slider default value in LOD streaming example by @mvaligursky in #8510
• Hide test two-sided lighting example thumbnails by @mvaligursky in #8511
• Add radial sorting toggle to LodStreaming example by @mvaligursky in #8515
• Add clear button to examples sidebar filter input by @mvaligursky in #8541
• Limit examples sidebar to left half of screen on mobile by @mvaligursky in #8542
• Use consistent XR session check for viewport sizing and add stereo GSplat test example by @mvaligursky in #8557
• Add URL input and orientation controls to LOD streaming example by @mvaligursky in #8572
• Add procedural weather particle system example using Gaussian splats by @mvaligursky in #8580
• Add renderer selection UI to all Gaussian splat examples by @mvaligursky in #8585
• Add environment map and metallic reflections to html-texture example by @mvaligursky in #8589
• Add URL parameter support to LOD streaming example by @mvaligursky in #8590
• Add GPU compute benchmark and GSplat benchmark example by @mvaligursky in #8600
• Add cloud shadows shader chunk override example by @mvaligursky in #8604
• Replace share buttons with save buttons in GSplat benchmark example by @mvaligursky in #8608

• Update rollup to v4.59.0 (security) in #8483

• @mvaligursky
• @slimbuck
• @willeastcott

Full Changelog: https://github.com/playcanvas/engine/compare/v2.17.2...v2.18.0

• Preserve blend state in drawQuadWithShader / RenderPassQuad by @mvaligursky in #8535
• Fix double decrement of octree file ref counts on entity disable by @mvaligursky in #8537
• Use y-first approach in Compute.calcDispatchSize to minimize wasted workgroups by @mvaligursky in #8538

• @mvaligursky

Full Changelog: https://github.com/playcanvas/engine/compare/v2.17.1...v2.17.2

• Correct TAA temporal reprojection on WebGPU by @mvaligursky in #8517
• Reset render pass merge flags each frame in FrameGraph.compile() by @mvaligursky in #8516
• Prevent division by zero in CAS sharpening shader by @slimbuck in #8532

• LodStreaming example has Radial sorting toggle by @mvaligursky in #8515

• @mvaligursky
• @slimbuck

Full Changelog: https://github.com/playcanvas/engine/compare/v2.17.0...v2.17.1

• Half-precision (f16) type aliases for WGSL shaders by @mvaligursky in #8439
• Gaussian Splatting: Use half-precision for spherical harmonics evaluation on WebGPU by @mvaligursky in #8441
• Add Color Enhance post-processing effect by @mvaligursky in #8443
• Improve scene texture error messages to mention CameraFrame by @mvaligursky in #8446
• Global splat budget for scene-wide GSplat LOD management by @mvaligursky in #8444
• Material.meshInstances change to Set for faster MeshInstance removal by @Maksims in #8451
• GSplat: GPU-driven sorting and frustum culling pipeline on WebGPU by @mvaligursky in #8453
• Replace interval texture binary search with instanced quad rendering for GSplat work buffer copy by @mvaligursky in #8456
• Refactor data texture creation using internal Texture helper by @mvaligursky in #8457
• Add midtones control to Color Enhance post-effect by @mvaligursky in #8458
• Improve MiniStats VRAM reporting and graph grouping by @mvaligursky in #8460
• Only emit written color outputs in WGSL FragmentOutput struct by @slimbuck in #8465
• Expose WebGPU texture format tier capabilities by @mvaligursky in #8459
• Use half-precision (f16) in gsplat WGSL shaders by @slimbuck in #8466
• Skip padding pixels during GSplat sorting and rendering by @mvaligursky in #8471
• Exclude skinned and morphed mesh instances from batching by @mvaligursky in #8477
• Interval-based GPU compaction for GSplat rendering by @mvaligursky in #8476
• Remove double indirection from GSplat rendering by @mvaligursky in #8478
• Improved error reporting when a bind group value is missing by @mvaligursky in #8479
• Compact GSplat work buffer format by @mvaligursky in #8480
• Add BlockAllocator for 1D block memory management by @mvaligursky in #8481
• Extract NumericIds from PickerId for reusable ID generation by @mvaligursky in #8482
• Switch gsplat work buffer from row-aligned to pixel-offset layout by @mvaligursky in #8484
• Use UploadStream for GSplat sort order uploads by @slimbuck in #8487
• Remove STORAGE_ORDER shader define by @slimbuck in #8488
• Cache validated FBO configurations in debug builds by @mvaligursky in #8491
• Per-node block allocation and partial work buffer updates for GSplats by @mvaligursky in #8490
• Skip pcNodeIndex work buffer stream when GPU sorting is active by @mvaligursky in #8492
• Optimize GSplat work buffer rebuilds and block allocator fragmentation by @mvaligursky in #8493
• Add MiniStats stat presets for gsplat stats by @mvaligursky in #8495
• Expose dracoDecode for decoder reuse by @koteelok in #8470
• Add frontFace support to render pipeline by @AlexAPPi in #8448
• Add debug assert for texture upload inside render pass on WebGPU by @mvaligursky in #8504
• FrontFace follow-up: fix double-flip, remove twoSidedLightingNegScaleFactor, add setDrawStates by @mvaligursky in #8503
• Estimate total size for unreported assets in SOG progress tracking by @slimbuck in #8502
• Use half-precision types in bloom downsample/upsample WGSL shaders by @mvaligursky in #8508
• Improve GSplat LOD system with geometric progression, FOV compensation, and budget balancing fixes by @mvaligursky in #8506
• Skip CAS HDR conversions for LDR input and use half-precision in WGSL by @mvaligursky in #8509

• Fix chromatic fringing shader undefined behavior with negative values by @mvaligursky in #8438
• GsplatResourceBase.getTexture needs to be public by @mvaligursky in #8442
• Inline WGSL resolveCodebook to fix Firefox naga compatibility by @mvaligursky in #8450
• Refresh texture state when toggling mipmaps by @willeastcott in #8455
• Fix clustered lighting packed decode stability on Samsung WebGL by @mvaligursky in #8461
• Fix annotation hotspot sizing by @slimbuck in #8463
• Fix WebGL readTextureAsync allocating too much memory for outputData by @slimbuck in #8472
• Prevent setLayout from corrupting interval compaction data by @mvaligursky in #8485
• Fix frame-rate dependent camera rotation and zoom in CameraControls by @slimbuck in #8494
• Fix GSplat LOD re-evaluation when params change via frame:ready event by @mvaligursky in #8498
• Fix WebGPU staging buffer error in non-unified GSplat sorter by @mvaligursky in #8499
• Fire GSplatSorter 'updated' event immediately for renderNextFrame support by @mvaligursky in #8500
• Fix MiniStats VRAM subcategories not hiding on collapse by @mvaligursky in #8507

• Fix flipbook example playback speed by @mvaligursky in #8505

• @AlexAPPi
• @koteelok
• @Maksims
• @mvaligursky
• @slimbuck
• @willeastcott

• @koteelok made their first contribution in #8470
• @AlexAPPi made their first contribution in #8448

Full Changelog: https://github.com/playcanvas/engine/compare/v2.16.2...v2.17.0

• Fix GsplatResourceBase.getTexture to be public by @mvaligursky in #8442
• Inline WGSL resolveCodebook to fix Firefox naga compatibility by @mvaligursky in #8450
• Move clustered packed values out of light struct for Samsung WebGL precision/corruption issues by @mvaligursky in #8461
• Only emit written color outputs in WGSL FragmentOutput struct by @slimbuck in #8465
• Fix annotation hotspot sizing by @slimbuck in #8463
• Fix WebGL readTextureAsync allocating too much memory for output data by @slimbuck in #8472
• Exclude skinned and morphed mesh instances from batching by @mvaligursky in #8477

Full Changelog: https://github.com/playcanvas/engine/compare/v2.16.1...v2.16.2

• Fix chromatic fringing shader undefined behavior with negative values by @mvaligursky in #8438

Full Changelog: https://github.com/playcanvas/engine/compare/v2.16.0...v2.16.1

• Procedural GSplat Container API by @mvaligursky in https://github.com/playcanvas/engine/pull/8352
• GSplat Extra Streams and Work Buffer Customization by @mvaligursky in https://github.com/playcanvas/engine/pull/8383
• GsplatProcessor and extra data streams for gaussian splats by @mvaligursky in https://github.com/playcanvas/engine/pull/8395
• GSplat Work Buffer Custom Streams Support by @mvaligursky in https://github.com/playcanvas/engine/pull/8396
• Unify GSplat format shader architecture by @mvaligursky in https://github.com/playcanvas/engine/pull/8377
• GSplat: Centralize texture management with GSplatStreams class by @mvaligursky in https://github.com/playcanvas/engine/pull/8379
• Clarify gamma correction docs by @mvaligursky in https://github.com/playcanvas/engine/pull/8386
• Modernize legacy posteffect scripts to ES6 classes and fix FXAA offset bug by @mvaligursky in https://github.com/playcanvas/engine/pull/8397
• Update jsdocs of QuadRender by @mvaligursky in https://github.com/playcanvas/engine/pull/8398
• Add BatchManager.getGroupById method by @mvaligursky in https://github.com/playcanvas/engine/pull/8399
• Destroy WebGPU texture immediately instead of letting garbage collection do it by @mvaligursky in https://github.com/playcanvas/engine/pull/8401
• Add numeric literal support to shader preprocessor by @mvaligursky in https://github.com/playcanvas/engine/pull/8402
• Implement deferred destruction for WebGPU textures by @mvaligursky in https://github.com/playcanvas/engine/pull/8403
• Add 2D Gaussian Splatting (2DGS) Rendering Support by @slimbuck in https://github.com/playcanvas/engine/pull/8416
• Improve XrSession script documentation and consistency by @willeastcott in https://github.com/playcanvas/engine/pull/8417
• feat: add snap vertical movement to XrNavigation script by @willeastcott in https://github.com/playcanvas/engine/pull/8420
• Unified GSplat Picking Support by @mvaligursky in https://github.com/playcanvas/engine/pull/8421
• Document ColorLUT texture format in CameraFrame JSDoc by @mvaligursky in https://github.com/playcanvas/engine/pull/8424
• Remove deprecated gsplatCustomizeVS shader chunk by @mvaligursky in https://github.com/playcanvas/engine/pull/8422
• Rename GSplatParams.id to enableIds by @mvaligursky in https://github.com/playcanvas/engine/pull/8423
• Add support for WGSL subgroup_uniformity and subgroup_id language extensions by @mvaligursky in https://github.com/playcanvas/engine/pull/8426
• GSplatProcessor: Add numSplats uniforms and automatic padding skip by @mvaligursky in https://github.com/playcanvas/engine/pull/8430

• ES2020 compatibility for GSplatSortBinWeights worker injection by @mvaligursky in https://github.com/playcanvas/engine/pull/8373
• Fix preprocessor numeric literal parsing to avoid incorrect partial matches by @mvaligursky in https://github.com/playcanvas/engine/pull/8404
• Fix unified gsplat work buffer extra streams for octrees and color-only updates by @mvaligursky in https://github.com/playcanvas/engine/pull/8405
• Fix WebGL texture.read() for R8/RG8/RGB8 formats and add UNPACK_ALIGNMENT state caching by @mvaligursky in https://github.com/playcanvas/engine/pull/8406
• Revert "[FIX] Fix ElementComponent 'mousemove' event firing outside element" by @willeastcott in https://github.com/playcanvas/engine/pull/8413
• [Fix] ClusteredOmniShadows example - avoid debug render texture when destroyed by @mvaligursky in https://github.com/playcanvas/engine/pull/8433
• Fix material-refraction example to use correct IOR value by @mvaligursky in https://github.com/playcanvas/engine/pull/8434
• [Fix] GSplatComponent.customAabb to fall back to resource AABB by @mvaligursky in https://github.com/playcanvas/engine/pull/8435
• Fix WebGPU uniform warnings in RenderPassPicker by @mvaligursky in https://github.com/playcanvas/engine/pull/8436

• Flipbook engine example by @mvaligursky in https://github.com/playcanvas/engine/pull/8384
• GSplat Editor Example and Gsplat Shader / GsplatProcessor API Refactoring by @mvaligursky in https://github.com/playcanvas/engine/pull/8412
• Exposed the color band width parameter for radial reveal effect by @mvaligursky in https://github.com/playcanvas/engine/pull/8414
• Add GSplat procedural shape scripts and example, other fixes and imrovements by @mvaligursky in https://github.com/playcanvas/engine/pull/8415
• Add GsplatMesh script and example for converting meshes to gaussian splats by @mvaligursky in https://github.com/playcanvas/engine/pull/8419
• Add LOD Instances Gaussian Splat example by @mvaligursky in https://github.com/playcanvas/engine/pull/8429

Full Changelog: https://github.com/playcanvas/engine/compare/v2.15.3...v2.16.0

• Revert Fix ElementComponent ‘mousemove’ event firing outside element by @willeastcott in #8413

Full Changelog: https://github.com/playcanvas/engine/compare/v2.15.2...v2.15.3

• Fix XrInputSource crash when grip unavailable by @willeastcott in #8389
• Fix controller models in XR movement example by @willeastcott in #8390
• Fix XrInputSource JSDoc errors and redundant code by @willeastcott in #8391
• Fix duplicate XrViews instance and clean up handler in XrManager by @willeastcott in #8392
• Fix WebXR stereo frustum culling by @willeastcott in #8393
• Add XrMenu script and example for WebXR hand/controller menus by @willeastcott in #8407
• Fix account for camera local offset in XrNavigation teleport by @willeastcott in #8409
• Improve XrControllers script robustness and documentation by @willeastcott in #8410
• Correct vertex format mismatch when decoding Draco meshes by @willeastcott in #8394

Full Changelog: https://github.com/playcanvas/engine/compare/v2.15.1...v2.15.2