1.56

- fixed skeletal mesh material remap (can happen with metahumans)

- added ConvertUDIMTexturesToTextureArrays (use prior to export)

- ConvexHulls are now by default hidden in the FBX

- flipbook spawning when using PlaceSelectedAssetsInScene

- fixed custom shader errors introduced with newer UE5.7 nodes

- fixed an issue with custom shaders & virtual textures

- prompt to disable virtual textures and allow designed fallbacks for materials using RuntimeVirtualTextures

- added support for 3D Textures with no source 2D texture

1.55

- support for VideoTextures ( when a material contains a video texture you will get a VideoPlayer component in Unity with a RenderTexture and a random Video will play on it. Exact video cannot be determined since that is usually done from Blueprints or C++)

- more fixes for custom nodes

- added missing shader functions DielectricToF0A,SchlickA

- changed minimum URP/HDRP to 2021.3

- fixed ConvertLandscapesToSkinnedMeshes when ExportLOD != 0

- support for 5.7.1

1.54

- support for UE5.7

- improvements to PrepareToRelease

- fixes for unlit raytracing shader compilation on 2022.3+

- fixes for 2022.3 Raytracing pathway

1.53

- changed to PlaceSelectedAssetsInScene so it's obvious it needs selection

- fixed a shader mismatch issue related to material layers

- fixed custom shaders when MaterialCollections are used in combination with material layers

- fixed crash when terrain has grass varieties with null meshes

- fixed HDRP shader compilation error when turning on Decals->Additive Normal Blending

- fixed foliage position when it comes from a LevelInstance

- export settings saved between sessions

- fixed materials not looking correctly when using UE 5.3 or older

- fixed compatibility for BuiltIn shaders and 5.6 changes

- fixed shader issue related to virtual textures

1.52

- revised texture export progress bar

- respecting MaxTextureSize setting from Unreal

- fixed rare crash related to virtual textures

- optimization : if virtual textures are disabled, don't remove RVTs

- fixed shader errors related to parameters of material layers

- fixed certain parameter names conflicting with unity builtins

- fixed multiple custom shader issues for 5.6

- HDRP fixes for UnityPerMaterial error

- fixed shaderdidntcompile shader assignment when having MIs with it

- fixed shader compilation errors when parameter names have unicode characters

- compatibility with UE5.7 ( GetMaterialResource )

- attempt to fix Mac compile error

- fixed shader compilation issue when SRP Batcher is enabled in Unity 6.1

1.51

- fixed BakeTextures when Opacity textures are used

- fixed a post process material issue

- PlaceCubesWithSelectedMaterials now spawns decals for decal materials

- added more entries for safe param names that can't exist in Unity

- updated HDRP related packages to 12.1.15

- fixed an issue with unassigned textures when they were virtual in UE

- fixed sampler when textures were virtual in UE

- fixed substrate related shader issues under 5.6

- minor improvement to standard shaders export (without baking)

- fixed detaching components from blueprints which are blueprints themselves

- fixed shader error related to "View.SharedBilinearClampedSampler"

- added ExportPhysics option to be able to disable the export of ConvexHulls & PhysicsShapes

- fixed 5.6 shader error related to "CustomData"

- fixed light range for area lights

- fixed shader errors related to virtual textures in 5.5+

- support for textures with RGBA32F source data (previously threw an "error format 9 is not supported")

- fixed an error happening when building with Unity 6.1 about a punctual shadow algorithm not being defined

1.50

- UE5.6 support

- fixed GUIDs when using ExportAllAnimations

- fixed errors that can arise from exporting skeletal mesh scenes multiple times

- fix for skeletal mesh rotations in the exported scene when root transform is not identity

- fixed animation component's animation reference

- fixed MaterialCollection's indices in custom shaders

- fixed expose material parameters when MaterialInstance has multiple parents with static parameters

- added support for UDIM texture export

1.49.2

- fixed a crash related to PostProcessing materials under HDRP

1.49.1

- fixed AdjustImageColors with non-RGBA8 textures crash

1.49

- HDRP light layer fixes

- support for texture adjustments parameters in UE5.1+

- fixed inconsistent line endings warning for custom shaders

- removed a warning related to _OpaqueCullMode

- linux compilation fixes

1.48

- fixed Volume->SkyType=None in HDRP

- fixed HDRP Unlit shaders

- fixed additive blending materials

- fixed ViewportUVToSceneTextureUV for fullscreen shaders

- fixed alpha testing in ray tracing shaders

- fixed HDRP texture baking for certain cases

- fixed ViewportUV in custom shaders

- reversed convex hull winding

1.47

- multiple improvements to ExposeMaterialParameters

- sharing shaders between materials (when ExposeMaterialParameters is on) to minimize build times

- fixed rare issue making materials save as ".mat"

- fixes for DarkRuins project

- SRPBatcher off by default to enable GPU instancing

- fixed crash when materials don't compile on <5.2

- fixed crash related to VolumeTextures having a null SourceTexture

- fixed a warning about normals and convexhulls

1.46

- added BakeTexture settings

- added missing HLSL functions for ProjectTitan assets

- fixed physics box rotations under certain angles

- 5.5 fixes for virtual texture sampling

- fixed a rare crash related to virtual textures

- fixed deferred shading path for Unity 6

- fix for Unity6 + URP + Forward+ shading path

- fixed applying scale to decals twice

- lower memory consumption when converting a lot of landscapes to mesh

- progress bar for converting landscapes to static meshes ( in case there's plenty of them )

- Respecting StaticMesh option CTF_UseComplexAsSimple by making the mesh collider equal LOD0 instead of convex hulls

1.45

- fixed incorrect transforms for skinned meshes in the exported scene

- SkeletalMeshes have animation component on and the current animation set up

- removed Avatar 'thing' that was generated for static meshes

1.44

- fixed URP shadows on Unity 6 when not upgrading from 2021.3

- added ExposeMaterialParameters option in experimental state

- now exporting PostProcessing materials for URP

- fixed prefabs not being generated for vertex color variant meshes

- fixed materials with substrate for 5.5

- fixed exporting animations from all components instead of unique meshes

1.43

- fixed exporting render target textures

- fixed lighttype being directional all the time

- fixed tangent in VS for URP

- compatibility with UE 5.5 preview 1

1.42

- fixed landscape export crash when triangles are over 30M

- minor shader fixes for 5.5

1.41

- fixed a template error for 5.4 non-unity builds

- added post processing setup for URP to better visualize emissive materials

- tuned light intensities for 5.4 with URP export

- fixed skeletal meshes with cloth sections for 5.4

- improved skeletal mesh detaching and fetching the animation

- fixed "white" materials when exporting with low editor settings

1.40

- vertex shaders now work with HDRP( note that time doesn't pass in editor scene view)

- fixed errors related to URP package version 11 not found

- ignoring HLODActors

- added DecodeSceneColorAndAlpharForMaterialNode

- added new shader functions for new 5.4 material nodes

- when baking textures made alpha test override translucency

- fixed RemoveRVTs when Normal goes into a 3 component input

- 5.4 shader fixes

- fixed TwoSided flag for HDRP

1.39

- support for 5.4 final

- fixed rare crash related to BakeTextures

- fixed transparent surfaces with bake+standard shaders export

- fixed blueprints with ChildActorComponents

- updated Utilities.cs to create a world sized terrain to add the TreeInstances instead of relying on manual creation

- fixed rare instancing issue related to VertexColors

- fixed retaining component OverrideMaterials when detaching multi-component actors

- added support for ProceduralMeshComponents

- added support for converting dynamic meshes to static meshes

- fixed broken WorldPosition in HDRP

- fixed ShaderDidntCompile material assignment

- fixed materialcollection references from material layers

1.38

- exposed UsePrefabs parameter for multiscene export

- compatibility with 5.4 preview 1

- clamping cull LOD to 5%

- fixed MIs that have no parent to use default material

- fixed spline merging when having multiple meshes with different materials

- normalized Decal emission values so they don't all get white when >1

- integrated Emission into Albedo for decals because unity doesn't allow emission for decals

- added decal width/height swap, seems to be needed for vertical decals

1.37

- inverted RectLight width/height since that seems to match Unity

- added ConvertRectLightsToPointLights and DisableLocalLightShadows in Unity for perf debugging

- MoveMeshesToTerrainComponent now creates a World bounding terrain with all instances inside of it

- added WorldSpaceTangent support to HDRP shaders

- fixes for Forward+ shading mode in URP

- improvements for treeinstances

- extra check for brushes

- embedded version in build log

- Fixed MPC order when having recursive function calls

- fixed GetMaterialCollectionIndices when material is instanced with static switches

- fixed GetPixelPosition in VS

- fixed Texture2DSample calls in vertex shaders

- compile fix for builtin shaders & strata fixes

- fixed exporting without LODs

- fixed shader error related to HDRP with vertex shaders with CustomExpressions

- fixed crash/error related to FBX not being saved under certain conditions

Exporter for Unreal to/for Unity 2026