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Blender 5.3 adds native support for importing, processing and rendering 3D Gaussian Splats in EEVEE, Cycles and Workbench. The release also brings rendering and compositor updates, though Blender says Gaussian Splat performance is still being optimized and some rendering inaccuracies may occur.
Blender 5.3 has been released with native support for 3D Gaussian Splats, a scene-reconstruction format that users can import, process and render in the 3D application. The update allows splats from PLY, SPZ and glTF files to be handled as point clouds and rendered in EEVEE, Cycles and Workbench, giving Blender users a built-in workflow for working with this type of captured scene data.
Blender’s release notes say imported splats are stored as point clouds with a distinct type and attributes for their scale, rotation, opacity and radiance. Users can work with them through Geometry Nodes, preview them in Workbench solid mode and render them in EEVEE or Cycles. Gaussian Splats represent scenes as many small, soft, transparent elements; together, those elements can reproduce complex geometry and shading reconstructed from photographs or video.
The default rendering approach uses an emissive shader. Blender says the radiance attribute exposes the resolved radiance at the current shading point. The notes describe rudimentary relighting by replacing the emission node with a hard-surface shader such as Diffuse BSDF, but caution that results may be affected by differences between the sRGB color space used by many splat-authoring tools and Blender’s linear color space. The release notes also say performance is still being optimized.
The release extends beyond splats. Cycles adds dispersion to the Principled BSDF and supports roughness anisotropy for the Glass BSDF and the Principled BSDF’s transmission component. Blender also integrates NVIDIA DLSS 4.5 Ray Reconstruction as a Cycles denoiser; the release notes say it requires NVIDIA driver version 620 or newer. EEVEE gains panoramic camera projections and new material-lighting nodes, while the compositor adds stackable scene effects, including Bloom, Chromatic Aberration, Film Grain and Vignette.
Gaussian Splats Join Blender Workflows
Native support means Blender users can bring supported Gaussian Splat files into the application and use its existing tools to inspect, manipulate and render them, rather than treating the data only as an external image or relying on an import-and-render workflow outside Blender. Geometry Nodes support also gives artists a way to experiment with point-cloud data inside a familiar procedural system.
The development is relevant to people working with photogrammetry and scene reconstruction, as well as artists who need to combine captured environments with conventional 3D elements. However, the release notes do not claim that every splat workflow is production-ready: Blender flags ongoing performance work and possible color-related inaccuracies, and describes relighting as rudimentary.
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How Blender Represents Splat Data
Gaussian Splats are used to represent reconstructed 3D scenes through numerous soft, transparent blobs whose combined appearance conveys geometry and shading. In Blender 5.3, they are represented as a special kind of point cloud, with attributes that describe each splat’s size and orientation alongside radiance information. The release notes specify that radiance includes a base value and spherical-harmonics coefficients.
Blender’s announcement also presents this feature as one part of a wider release focused on rendering and artist workflows. The listed changes include the new Cycles denoiser, lighting controls in EEVEE materials, panoramic rendering in EEVEE, and an effects stack in the compositor. The supplied release information does not give a full account of prior Blender versions’ support or a comparative performance evaluation.
“Performance is still being optimized.”
— Blender 5.3 release notes
Performance and Rendering Limitations
The release information does not provide performance benchmarks, hardware requirements for Gaussian Splat rendering, or a timetable for further optimization. It also does not quantify how often the stated color-space differences cause visible inaccuracies. Blender’s notes identify low-opacity, high-radiance areas as particularly susceptible, but do not say how users can predict the effect for a specific file.
Relighting support is described as rudimentary, and the release material does not establish how well it works across different splats or lighting setups. Separately, EEVEE’s new panoramic rendering has listed limits: depth of field, ray tracing and volumetric temporal reprojection in the viewport are not supported by the current implementation. The release notes do not state when those constraints may change.
Testing the New Workflows
Users can test the new features by downloading Blender 5.3 through the project’s release page and importing Gaussian Splat files in the supported PLY, SPZ or glTF formats. Artists relying on Cycles DLSS denoising should check the stated NVIDIA driver requirement of version 620 or newer. The release notes do not announce a date for a follow-up update or specify when Gaussian Splat performance work will be complete.
For now, practical results will depend on the files and scenes users test, particularly for relighting and color fidelity. Blender’s published notes provide the supported formats and known caveats, but do not include independent testing or performance comparisons.
Key Questions
What is new for Gaussian Splats in Blender 5.3?
Blender 5.3 adds native support to import, process and render Gaussian Splats. Users can work with them as point clouds and use Geometry Nodes.
Which Gaussian Splat file formats can Blender import?
The release notes list PLY, SPZ and glTF as supported import formats.
Which Blender renderers can display Gaussian Splats?
Blender says splats can be rendered in EEVEE and Cycles, and previewed in Workbench solid mode.
Can Gaussian Splats be relit in Blender 5.3?
Blender describes rudimentary relighting support using a hard-surface shader such as Diffuse BSDF in place of the default emission shader. The release notes do not characterize it as a fully developed relighting workflow.
What limitations does Blender identify?
Blender says Gaussian Splat performance is still being optimized and warns of possible color inaccuracies related to differences between sRGB and linear color, especially in low-opacity, high-radiance areas.
Source: blender.org
