January 11, 2026

• Node-based GraphVarying editor.
• NodeObject instancing for massive object replication.
• MSAA compatibility with D3D12 SM6.7.
• Sparse textures for D3D12 (sparse resource tier 4 is required).
• Indirect top-level tracing builds on Vulkan (only AMD and Intel drivers support it).
• Enhanced dialogs on Linux platforms.
• Editor compatibility with SteamOS.

• graph_flow_normal scene demonstrates two-pass normal map texture generation.
• graph_flow_texture scene demonstrates procedural texture generation.
• graph_flow_perlin scene demonstrates dynamic procedural textures.
• gl_device, gles_device, and gles_runtime native examples have been added.
• native/vk_qt_widget example has no dependency on the Vulkan library.
• platform/divisor example demonstrates the vertex attribute rate parameter for per-batch input.
• platform/cooperative test is compatible with non-square matrices.
• render/limits has an additional instancing-based rendering mode (slower than BVH-based).
• materials/material_alpha scene demonstrates alpha-tested geometry.
• objects/object_skeleton scene demonstrates hierarchical skeletons.
• scripts/script_material_motion scene demonstrates the motion blur effect.
• scripts/script_material_grid scene generates a high-frequency output verification image.
• native/vk|d3d12|d3d11_device sample outputs all platform-specific device features.
• render/multisample demonstrates engine MSAA rendering.

• Boolean uniform type has been added to the GraphVarying type in Explorer.
• GraphFlow editor has been added to Explorer.
• Explorer and Executor support sparse buffers and textures controlled by the “-sparse 1” command line option.
• Executor now supports controller-based camera movement (can be disabled with the “camera/controller” option).
• Executor supports tracing_all and screen_all command line options for fast rendering mode selection.
• Light texture visualization has been added to Explorer.
• Pool texture visualization has been added to Explorer.
• The quality of the selection area has been improved.

• GraphFlow plugin for node-based GraphVarying editing has been added.
• Integer vector types have been added to the ControlFlowGLSL editor.
• Circle, triangle, box, pentagon, hexagon, octagon, and star SDF protos have been added to ControlFlowGLSL.
• Wave, ripple, and twist warp protos have been added to ControlFlowGLSL.
• Checker sampler proto has been added to ControlFlowGLSL.
• Color masks and stencil functions have been added to the MaterialFlow layout proto.
• Clutter and BatchTransform plugins have been moved to the plugin/graphs directory.
• A new interface/popup plugin for popup controls and menus has been added.
• DLSS, FSR3, and XeSS plugins have been updated to the latest versions.
• New FSR1 and FSR4 plugins have been added.
• A new FXAA plugin has been added.
• Noise generation has been moved to the interface/flow plugin from the material/flow plugin.
• Tracing shader source generation has been added to the material flow and MaterialX plugins.
• A direction proto to construct a direction vector from two angles has been added to ControlFlow.
• Enhanced tooltip visualization with delayed disappearance.
• Instance and Payload protos have been added to MaterialFlow.
• Transform input has been added to the Vertex input proto of MaterialFlow.
• Group specification has been added to the Uniform proto of MaterialFlow.
• A Line primitive has been added to the Primitives plugin.
• Primitives correctly provide line geometry for ObjectMesh flags with lines.

• MaterialShading Tracing source has been renamed to Sample source.
• SceneRender interface provides access to temporal render textures.
• The Scene interface now provides the directory where the scene file is located.
• Methods for registering buffers with default offsets and callbacks have been added to SceneBuffer.
• NodeObject methods to control instancing with CPU and GPU counts have been added.
• Payload address and stride parameters have been added to NodeObject.
• Support for motion-buffer per-pixel jitter offsets has been added via the RenderManager|RenderRenderer::FlagJitterBuffer flag.
• LightPoint and LightSpot return the intensity texture index.
• RenderDraw supports multisample texture visualization.
• API-specific Context interfaces receive a device index in the constructor.
• VK|D3D12|D3D11Device classes now provide native device features.
• Access to API layers and extensions in VK|GL|GLESContext and VKDevice has been added.
• The matrix8x16x16f16 matrix type has been added to the Device::Features structure.
• Device::Features structure names have been changed to follow API-name style.
• Device::Features::textureArraySparse field has been added (array textures with a full mipmap chain).
• Device::Features::surfaceMultisample field has been added (compute shader writes to MSAA textures).
• A dedicated ControlRoot::setMousePosition() method has been added.
• ControlText can optionally handle Pressed and Focused callbacks.
• ControlTree accepts right and left buttons for tree expanding/folding.
• Canvas|Controls::raiseChild|lowerChild() methods now accept the target position index.
• Controls::AlignLocal aligns controls using local boundaries only.
• The ObjectMesh::FlagInstancing flag activates optional geometry instancing at the ObjectMesh level.
• SeparableFilter now supports custom filter kernels specified by setKernelSource().
• The number of Function template arguments has been increased to 10.
• System::exec() now returns the process exit code. The check for successful execution is (ret == 0).

• Correct mesh morphing for meshlet-based geometry.
• Corrected ControlDialog mouse movement compensation with fractional rendering scales.
• Corrected literal recognition of mixed formats.

• Linux dialogs have a fallback mode through kdialog and zenity applications.
• Qt6 support has been added to Linux dialogs.
• Support for RWTexture2DMS in HLSL.
• Support for input and output gl_SampleMask on all platforms.
• Constant-based mix operations are now resolved at the compilation stage in the shader compiler.
• Constant-based pow for powers 2, 3, 4, 5, and 8 is replaced by multiplications in the shader compiler.
• Correct handling of tracing masks for tracing shadows and reflections.
• Improved noise sequence generation for reflection and occlusion samples.
• Meshlet and compute rasterization support meshes with morphing.
• Correct tracing generation for meshes with morphing.
• Correct tracing generation for meshes with hierarchical skeleton animations.
• The script system uses try { } blocks for external code execution.
• vbar() and hbar() texture patterns have been added.
• Correct tangent basis generation for mesh line primitives.

November 29, 2025

• Tellusim Core SDK is now available on GitHub.
• A new series of Getting Started tutorials has been added to the documentation.
• Added USD MaterialX material support.
• New batch transformation plugin for massive node updates.
• Object loading methods now support multiple material roots via material callbacks.
• Added GLSL sizeof(), offsetof(), and assert() functions.
• Improved FFT with support for non–power-of-two sizes.
• General optimizations and bug fixes.

• NodeSkyBox plugin has been added to Explorer.
• NodeGrid (node duplication) plugin has been added to Explorer.
• RenderFlares (glares, ghosts, and flares) plugin has been added to Explorer.
• The Project tool parses all Makefile branches for correct project file generation.

• New scene/transform plugin performs compute-based transformations for provided nodes for extremely fast node updates.
• MaterialFlow plugin enables screen-space and traced reflections for forward and transparent passes.
• MaterialX plugin now provides the MaterialXManager class for simple MaterialX-based material handling.
• MaterialX plugin has been updated to the latest MaterialX runtime libraries.
• Streamer plugin supports user-defined name prefixes that can be removed or replaced.
• Streamer plugin excludes files with the .asset extension from being treated as asset archives.
• SkyBox object plugin added. Supports Panorama, Cube, and LightImage textures.
• Flares render plugin added. Supports glares, ghosts, and flare effects.
• New XeFG frame generation plugin has been added.

• materials/material_pixel_depth scene demonstrates a pixel-depth effect for smooth object intersections.
• render/render_bloom scene demonstrates a full-scene blur effect with bloom postprocessing.
• render/render_tonemap scene demonstrates tonemap color adjustment.
• graphics/object_tree example demonstrates simple GPU-driven rendering with multi-draw-indirect rendering.
• parallel/fourier_2d sample performs image convolution using the Fast Fourier Transform.
• platform/formats sample demonstrates mixed color formats.
• platform/mapped sample demonstrates efficient Vulkan read and write shader access to mapped files.
• platform/sparse sample demonstrates the Sparse texture API.
• native/d3d12_program sample demonstrates generic D3D12 programs.
• native/vk_swap_chain example demonstrates custom swap chain creation for the Window interface.
• native/gl_runtime example demonstrates direct access to the OpenGL API for rendering.

• platform/bindless example can be used for evaluating bindless resource overhead.

• Compatibility with Visual Studio 2026.
• All generated SDK project files have been verified.

• API pointer performance (allocation and access) has been improved by 20%.
• New ObjectMesh and ObjectBrep loaders support multi-parent objects with a new signature that accepts a material callback.
• New ObjectMesh and ObjectBrep createMaterials() methods are available for custom material creation.
• Added wasMouseButtonReleased(), wasKeyboardKeyPressed(), and wasKeyboardKeyReleased() methods to the Window class.
• Added wasButtonPressed() and wasButtonReleased() methods to the Controller class.
• Added setTonemapTexture() method to RenderFrame for 3D texture-based tonemappers.
• RenderFrame::setBloomFade() controls composite texture fading. Can fully blur the composite texture.
• A negative bloom scale disables the internal bloom composite step and enables use with external bloom plugins.
• SceneRenderer::dispatchBloomFrame() provides all temporary downscaled and upscaled textures for implementing custom bloom effects.
• Async interface is now available in Script constructors.
• MaterialShading can initialize a shading texture directly from the Image interface.
• The PixelDepth material option offsets the shadow map texture to reduce self-shadowing artifacts when pixel depth is enabled.
• Atomic::set() is now an atomic operation instead of a volatile write.
• bitcount(), bitleast(), bitmost(), bitreverse() for uint32_t and uint64_t types have been added.
• Added support for RGBf9Eu5 textures.

• Cross-platform support for GLSL bitfieldExtract(), bitfieldInsert(), bitfieldReverse(), findLSB(), findMSB() functions have been added.
• HLSL code generation related to incorrect address optimization has been fixed.
• USD parser correctly merges child elements if the destination element has no children.
• USD loader supports MaterialX materials and generates a MaterialX XML blob during loading.
• GLSL compiler supports the assert() keyword, which stops compilation if an expression is zero.
• GLSL compiler supports offsetof() and sizeof() keywords for constants, allowing structure-size validation in assertions.
• GLSL compiler performs additional constant-based optimizations for all arithmetic operations.
• A preprocessor bug involving incorrect inclusion of DOS-encoded (\r\n) files has been fixed.
• An issue with incorrect propagation of the nonuniform() decoration in GLSL and HLSL shaders has been fixed.
• Texture and Buffer D3D12 tables are now bound once per frame to reduce overhead for multiple binds.
• Increased the number of per-frame D3D12 resource handles to 1024 * 512 to support large table resources.
• Screen-space reflections produce artifact-free results for the forward rendering pass when depth-bias cannot be evaluated.
• A bug with incorrect cube-texture LOD bias during upscale rendering has been fixed on all platforms (Metal not affected).
• Sizes of all scene and render shader structures are validated with the assert() keyword.
• NodeObject adds program hashes to self-assigned materials.
• Support for the latest Apple devices has been added to the Info class.
• Image class now supports mixed format conversions (FormatRGBAu4n, FormatRGBu5Au1n, FormatRu5Gu6Bu5n, FormatRGBu10Au2n, FormatRGf11Bf10, FormatRGBf9Eu5).
• Added init() method to all Script classes. init() is called after all parameters are set. Parameter values are not available in the constructor.
• FourierTransform supports non–power-of-two sizes with optimized multipliers for 3, 5, 6, and 7.
• Current camera_znear value is available during shadow map rendering.
• SceneManager::setBufferParameters() now skips manually assigned buffer sizes.

August 23, 2025

• Bloom post-processing.
• Improved temporal antialiasing quality and responsiveness.
• Added a simple procedural texture generator to SceneTexture, supporting grid, checkerboard, Perlin, fractal, noise, and blend functions.
• MaterialMetallic and MaterialSpecular anisotropy direction is specified in the RG components of the auxiliary texture when the clearcoat option is disabled.
• All raw data in scene, graph, and node files is now compressed.
• Compatibility with Wayland window managers.
• Removed WinApp platform support.

• Added NodeAnimator, NodeOscillator, NodeRotator, and NodeTransformer prefabs to the Tellusim Explorer.
• Executor fetches the target camera transformation matrix for correct assignment to GPU-driven cameras.
• Explorer includes controls for refraction dispersion parameters.
• Explorer can now export and import RenderFrame settings.
• Explorer stores separate UI settings for different desktop configurations (laptop display vs external monitor).
• Option + F hotkey in Explorer hides all controls and maximizes the rendering viewport.
• Project file generator now supports C#, Rust, Swift, Java, JavaScript, and Python templates.
• Browser application interface is now based on the plugins/interface/app plugin.

• Added plugins/interface/app plugin for simple single-window desktop applications.
• XeSS upscaler plugin updated to the latest version with Vulkan support.
• DLSS upscaler plugin updated to the latest version.
• Added Stairs and Ramp primitives to plugins/objects/primitives.
• plugins/objects/scattering plugin now supports optional fast-forward blending and a sun billboard.

• samples/scenes/materials/material_texture showcases procedural textures.
• samples/scenes/scripts/script_material_background procedural background material with alpha compositing.
• samples/scenes/scripts/script_material_filter simple post-processing material.
• samples/scenes/scripts/script_material_split split post-processing material.
• samples/scenes/scripts/script_mesh_update dynamic vertex buffer updates.
• tests/manual/13_hello_interop simple CUDA API interop.
• tests/native/vk_gtk3_window Vulkan embedding into a GTK3-based window.
• tests/native/gl_gtk3_window OpenGL embedding into a GTK3-based window.
• tests/native/hip_texture AMD HIP texture interop.
• tests/platform/shared simple multi-GPU texture interop for split rendering.
• tests/scene/mesh custom ObjectMesh initialization and dynamic updates.

• tests/geometry/refine includes UI for refining parameters.
• tests/geometry/reduce includes UI for reduction parameters.

• System::exec() prints process output to the log when the new console argument is set.
• MeshRefine::subdiv() accepts a weight parameter to interpolate between the target and original surface.
• CanvasElement supports YOG texture visualization with the CanvasElement::ModeTextureYOG flag.
• SpatialTree enablement flag now uses the highest bit of bound_max.w remaining bits are available for user data.
• Window class supports minimum and maximum window sizes.
• Added support for backward and forward mouse buttons.
• RenderDraw supports YOG texture visualization with the RenderDraw::ModeYOG mode.
• Added bloom configuration parameters to RenderFrame.
• Added bloom rendering pass to RenderRenderer and SceneRenderer.
• Added dedicated RenderRenderer::dispatchExposure() method for external upscalers.
• RenderRenderer::dispatchTonemap() is now required after RenderRenderer::dispatchComposite().
• SceneManager supports fast vertex and index buffer updates and copy operations, similar to storage and scalar buffers.
• Added UniformDiffuseOffset parameter to Metallic and Specular root materials.
• Added UniformSpecularOffset parameter to Specular root material.
• CameraPerspective supports focal-length-based FOV specification.
• Added NodeBase interface for custom node-based logic.
• Added new Blob constructor with a size argument.
• Added Directory::getBinaryDirectory() method.
• Added 3D Perlin noise generation to math/TellusimNoise.h.
• Added default vectors oneX, oneY, oneZ, and oneW to all math/TellusimVector.h classes.
• Scene global identifier generator can now be re-initialized to keep ID values low.

• Shader compiler optimizes integer multiplication and division by powers of two using shift operations.
• MeshOptimizer compares floating-point formats with epsilons of 1e-3f (half), 1e-6f (float), and 1e-12f (double).
• X11 libraries are now loaded dynamically; no X11 dependency for console applications.
• Improved motion vector hash calculation for better stability in complex scenes.
• WebGPU backend migrated from Emscripten to Dawn.
• Added support for the WebGPU cull distance extension.
• Added support for Vulkan 1.4 methods.