Mise à jour Unreal Engine 5.7.1
Publié : 24 déc. 2025, 10:40
La version d'Unreal Engine 5.7.1 est arrivée avec près de 100 mises à jour et résolutions de problèmes à la clé ! Le correctif permet de corriger les bugs et erreurs les plus importantes depuis la sortie de la version 5.7.
N'hésitez pas à nous faire part de vos commentaires et à discuter de la version actuelle dans les réponses à ce fil de discussion.
Attention : à partir de l'UE 5.7, Linux passera de SDL2 à SDL3. Les utilisateurs ayant personnalisé le code SDL2 et souhaitant passer à l'UE 5.7 doivent savoir qu'ils devront retravailler ces modifications pour SDL3.
Liste du détail des correctifs de la version UE 5.7.1 :
UE-193929 Editor becomes unresponsive when moving camera forward if Path Tracing view mode is enabled with mGPU
UE-227868 Cinematic MetaHumans in Level Viewport cause AMD GPU crashes
UE-250430 Skeletal mesh ddc key is always regenerated on load when LOD bones to remove are set
UE-282899 [CrashReport][Assert] UnrealEditor-Engine!ProcessCompiledGlobalShaders(TArray<TRefCountPtr,TSizedDefaultAllocator<32> > const &) [Engine/Source/Runtime/Engine/Private/ShaderCompiler/ShaderCompilerEditor.cpp:597]
UE-295331 [CrashReport][Crash] RHI!UE::RHI::GPUProfiler::FGPUProfilerSink_StatSystem::FQueueState::EndBreadcrumb() [GPUProfiler.cpp]
UE-296303 [CrashReport][Assert] PythonScriptPlugin!FPythonScriptPlugin::InitializePython() [PythonScriptPlugin.cpp]
MH-16056 As a clothing creator I want to frictionlessly create and edit maps in the map creation tool in dataflow and also know they will not change on their own
UE-314337 Occasional crash when attempting to right-click in the rig graph on a new control rig editor window
UE-314507 [CrashReport][Crash] ControlRig!FControlRigControlPose::SavePose() [ControlRigPose.cpp]
UE-314837 Editor crashes when changing the environment from standalone to editor in the mass debugger tool
UE-321961 nDisplay - Crash: Media groups create subobjects that lose their outer reference during Sequencer operations
UE-331827 Mac - Aprroaching stands Max Neighbor Per Cell and Color Propagation in ContentExamples causes reflection flickering
UE-333866 Executing Pathtracing testing encounter SIGSEGV: invalid attempt to access memory at address 0x0
UE-337072 [CrashReport][Assert] RenderCore!EmitNullShaderParameterFatalError() [ShaderParameterStruct.cpp]
UE-347106 GitHub 13887 : Free pending-delete Virtual Texture immediately in Loadmap to avoid the fatal assert in FVirtualTextureAllocator::AcquireBlock
UE-348042 [CrashReport][Crash] Landscape!static bool () [LandscapeEditInterface.cpp]
UE-348043 [CrashReport][Crash] Text3D!UText3DDefaultLayoutExtension::PreRendererUpdate() [Text3DDefaultLayoutExtension.cpp]
UE-348441 DoF flicker with nvidia graphics driver 581
UE-348759 [CrashReport][Crash] RigVMDeveloper!URigVMNode::FindPin() [RigVMNode.cpp]
UE-348774 [CrashReport][Assert] Engine!static const wchar_t () [HLSLMaterialDerivativeAutogen.cpp]
MH-16702 Crash on several platforms after MetaHuman Character changes to a higher fidelity LOD
UE-349413 Running InstalledBuilds WithDDC=true fails with Error: !Job.Input.bCompilingForShaderPipeline [File:D:\Unreal Projects\UnrealEngine-5.7\Engine\Source\Runtime\RenderCore\Private\ShaderCore.cpp] [Line: 1825]
UE-349535 Crash when megalight=1, Substrate=1 and GBufferFormat=1.
UE-349586 Cloth Asset - Crash when importing morph targets into clothing
UE-349638 [PCG] When generating in PIE, both editor and game worlds are rendered, doubling rendering cost
UE-349680 Arc tracker not tracking spawnable objects
UE-349718 Preview platform to Mac Metal SM6 crashes with FRayTracingLightingMS error
UE-349844 Motion Design - Several Material Channels are "Incompatible
UE-349879 Assert/crash after deleting middle landscape spline point and selecting Cancel
UE-349964 MRG - Empty Multilayer EXR Output with 2+ Layers/Multipart/Burnin
UE-350012 Top Down Twin Stick - The dash button does not work on Blueprint
UE-350013 Cloner does not update masked material
UE-350020 Side Scroller template - Moving towards the right side of the screen prevents character from jumping
UE-350057 State Node Event Functions are deprecated and hidden when they shouldn’t be
UE-350131 [Audio][StreamCache] Memory leak due to streaming chunk reference counting
UE-350135 nDisplay node crashes while exiting
UE-350183 Fix potential LogInstanceProxy log spam
UE-350206 Potential crash when exporting geometry cache to USD due to missing velocities
UE-350214 Mover character montage replication desync on sim proxies if starting position is not 0
UE-350230 Crash after switching Platform Preview from Android to iOS
UE-350293 [PCG] Polygon offset can create metadata errors
MH-16763 Calibration Generation - Clicking “Run Calibration” or “Run Auto Frame Selection” crashes the editor to Assertion Failed
UE-350354 MRQ - Console Variables Set by is After Render
UE-350449 Error when running OpenWorld with -RHIValidation
UE-350452 GAS Generic Replication: the GameplayTagCountContainer Continually Replicates ‘None’
UE-350508 VP - Multiple LogUdpMessaging: Warning in output.log - Possible for double delivery
UE-350545 GitHub 13964 : Fix aliased textures to use correct views on vulkan
UE-350714 VCam pixel streaming ARKit LiveLink fails reconnect
UE-350810 URollbackBlackboard::BlackboardEntry Crash on Mover Component Initialization
UE-351092 Cloth Asset - Crash in the TransferSkinWeight node when a non-manifold mesh is used with the inpaint method
UE-351162 Crash when saving a Rig Module while having a Connector selected in the Rig Hierarchy
UE-351391 [GroomSolver] Crash occurs upon evaluation of Groom Dataflow in DeformerGroomInterfaceUtils.h:187 w/mesh deformer set to “DG_GuidesSolver”
UE-351395 Ndisplay with Global Latency set to 1 is causing the outer to become corrupt.
UE-351409 Validate SDL Camera plugin on AMD hardware
UE-351643 Deleting layer with scene capture(s) no longer destroys the scene capture component
UE-351685 [PCG] FPCGGraphCompilerGPU::BuildComputeGraphTask not using proper outer causing unwanted object reuse
UE-351770 Sun light direction is wrong in the Celestial Sky Plugin
UE-351868 Quick Launch fails on some Android devices
UE-351872 Convert tool crashes on converting multi-selected dynamic meshes to static mesh
UE-351904 [Sequencer] “Render CustomDepth Pass” is not toggled by Level Sequences.
UE-352089 Crash when adding IK Goal to Full Body IK Solver - 5.7.1 Tracker
UE-352196 VkEvent handle leak when using Split Barriers in Vulkan
UE-352410 Dynamic Mesh Converter creates an incomplete dynamic mesh with no shadows or bounding box causing visual issues
UE-352412 Crash when generating groom cards from previous LODs
UE-352426 EOS: 1.18.1.2 Binary Update
UE-352461 Crash when enabling LocalFixedTime on DaySequenceModifierComponent with null sequence
UE-352528 Editor crash when closing due to SAssetView kept alive too long
UE-352701 Cloth Asset - Crash while merging weight maps using the MergeClothCollections node.
MH-16864 Crash when interacting with SKM exported from MetaHuman Creator
UE-352731 The User cannot set value on Interval inside a UserDefinedStruct/DataTable Editor
UE-352736 Evaluation scope instance data fails if only blueprint node are used.
UE-352758 Comment blocks in blueprints were showing up with the editors preferences but shouldn’t
UE-352959 Iris - ObjectPoller did not force poll object references after GC
UE-352978 Shader might not compile correctly with Substrate
UE-352979 Intro To Unreal - In-Editor Documentation plugin cannot be enabled
UE-353149 [CrashReport][Assert] DerivedDataCache!UE::DerivedData::FTimeAveragedStat::Add() [DerivedDataCacheStats.cpp]
UE-353177 [CrashReport][Ensure] UnrealEditor-PCG!FPCGComputeGraphElement::ExecuteInternal(FPCGContext *) [Engine/Plugins/PCG/Source/PCG/Private/Compute/Elements/PCGComputeGraphElement.cpp:140]
UE-353204 Crash in Engine when loading a level sequence from take recorder with Gameplay Camera set up on player
UE-353208 Opening the Blueprint palette crashes the editor if the Gameplay Cameras plugin is enabled
UE-353209 Some camera rig assets are always dirtied when running PIE, and the editor always asks to re-save them
UE-353222 [PCG] Metadata operations on position & local position on Polygon2D can crash if there is more than 64/256 vertices
UE-353309 [CrashReport][Crash] UnrealEditor-AvalancheOutliner!FAvaOutliner::Refresh() [Engine/Plugins/VirtualProduction/Avalanche/Source/AvalancheOutliner/Private/AvaOutliner.cpp:445]
UE-353363 Clone - IPhonePackager Codesign not working on MacOS 26
UE-353406 UBT will crash when building with -NoEngineChanges and there are some engine changes
UE-353502 Physics Control is not marked as Beta in UE 5.7.0 (still shows Experimental)
UE-353619 Weightmap do not reload properly from existing cloth assets
UE-353701 ShowFlag.VisualizePostProcessStack displays corrupt scene when enabled
UE-353720 Motion Design Template project has default thumbnails instead of the intended one
UE-353722 Broadcast’ template with no content appears in the Project Creation wizard
UE-353734 Home Panel - Roadmap links
UE-353764 Text3D compilation error when building Linux UnrealServer target
UE-353909 M&E Template Projects Should Not Set r.Tonemapper.Sharpen=2
UE-353929 Holes Visible in the Terrain
UE-353990 AIE: Fix Evaluating Constraints when baking, snapper, trails with simulation
UE-354049 Heterogeneous Volumes: Compositing artifacts under play mode when “Composites with Translucency” is enabled
UE-354082 [CrashReport][Crash] WebBrowser!FWebBrowserSingleton::FWebBrowserSingleton() [WebBrowserSingleton.cpp]
UE-354128 [CrashReport][Assert] UnrealEd!FEditorModeTools::FEditorModeTools() [EditorModeManager.cpp]
N'hésitez pas à nous faire part de vos commentaires et à discuter de la version actuelle dans les réponses à ce fil de discussion.
Attention : à partir de l'UE 5.7, Linux passera de SDL2 à SDL3. Les utilisateurs ayant personnalisé le code SDL2 et souhaitant passer à l'UE 5.7 doivent savoir qu'ils devront retravailler ces modifications pour SDL3.
Liste du détail des correctifs de la version UE 5.7.1 :
UE-193929 Editor becomes unresponsive when moving camera forward if Path Tracing view mode is enabled with mGPU
UE-227868 Cinematic MetaHumans in Level Viewport cause AMD GPU crashes
UE-250430 Skeletal mesh ddc key is always regenerated on load when LOD bones to remove are set
UE-282899 [CrashReport][Assert] UnrealEditor-Engine!ProcessCompiledGlobalShaders(TArray<TRefCountPtr,TSizedDefaultAllocator<32> > const &) [Engine/Source/Runtime/Engine/Private/ShaderCompiler/ShaderCompilerEditor.cpp:597]
UE-295331 [CrashReport][Crash] RHI!UE::RHI::GPUProfiler::FGPUProfilerSink_StatSystem::FQueueState::EndBreadcrumb() [GPUProfiler.cpp]
UE-296303 [CrashReport][Assert] PythonScriptPlugin!FPythonScriptPlugin::InitializePython() [PythonScriptPlugin.cpp]
MH-16056 As a clothing creator I want to frictionlessly create and edit maps in the map creation tool in dataflow and also know they will not change on their own
UE-314337 Occasional crash when attempting to right-click in the rig graph on a new control rig editor window
UE-314507 [CrashReport][Crash] ControlRig!FControlRigControlPose::SavePose() [ControlRigPose.cpp]
UE-314837 Editor crashes when changing the environment from standalone to editor in the mass debugger tool
UE-321961 nDisplay - Crash: Media groups create subobjects that lose their outer reference during Sequencer operations
UE-331827 Mac - Aprroaching stands Max Neighbor Per Cell and Color Propagation in ContentExamples causes reflection flickering
UE-333866 Executing Pathtracing testing encounter SIGSEGV: invalid attempt to access memory at address 0x0
UE-337072 [CrashReport][Assert] RenderCore!EmitNullShaderParameterFatalError() [ShaderParameterStruct.cpp]
UE-347106 GitHub 13887 : Free pending-delete Virtual Texture immediately in Loadmap to avoid the fatal assert in FVirtualTextureAllocator::AcquireBlock
UE-348042 [CrashReport][Crash] Landscape!static bool () [LandscapeEditInterface.cpp]
UE-348043 [CrashReport][Crash] Text3D!UText3DDefaultLayoutExtension::PreRendererUpdate() [Text3DDefaultLayoutExtension.cpp]
UE-348441 DoF flicker with nvidia graphics driver 581
UE-348759 [CrashReport][Crash] RigVMDeveloper!URigVMNode::FindPin() [RigVMNode.cpp]
UE-348774 [CrashReport][Assert] Engine!static const wchar_t () [HLSLMaterialDerivativeAutogen.cpp]
MH-16702 Crash on several platforms after MetaHuman Character changes to a higher fidelity LOD
UE-349413 Running InstalledBuilds WithDDC=true fails with Error: !Job.Input.bCompilingForShaderPipeline [File:D:\Unreal Projects\UnrealEngine-5.7\Engine\Source\Runtime\RenderCore\Private\ShaderCore.cpp] [Line: 1825]
UE-349535 Crash when megalight=1, Substrate=1 and GBufferFormat=1.
UE-349586 Cloth Asset - Crash when importing morph targets into clothing
UE-349638 [PCG] When generating in PIE, both editor and game worlds are rendered, doubling rendering cost
UE-349680 Arc tracker not tracking spawnable objects
UE-349718 Preview platform to Mac Metal SM6 crashes with FRayTracingLightingMS error
UE-349844 Motion Design - Several Material Channels are "Incompatible
UE-349879 Assert/crash after deleting middle landscape spline point and selecting Cancel
UE-349964 MRG - Empty Multilayer EXR Output with 2+ Layers/Multipart/Burnin
UE-350012 Top Down Twin Stick - The dash button does not work on Blueprint
UE-350013 Cloner does not update masked material
UE-350020 Side Scroller template - Moving towards the right side of the screen prevents character from jumping
UE-350057 State Node Event Functions are deprecated and hidden when they shouldn’t be
UE-350131 [Audio][StreamCache] Memory leak due to streaming chunk reference counting
UE-350135 nDisplay node crashes while exiting
UE-350183 Fix potential LogInstanceProxy log spam
UE-350206 Potential crash when exporting geometry cache to USD due to missing velocities
UE-350214 Mover character montage replication desync on sim proxies if starting position is not 0
UE-350230 Crash after switching Platform Preview from Android to iOS
UE-350293 [PCG] Polygon offset can create metadata errors
MH-16763 Calibration Generation - Clicking “Run Calibration” or “Run Auto Frame Selection” crashes the editor to Assertion Failed
UE-350354 MRQ - Console Variables Set by is After Render
UE-350449 Error when running OpenWorld with -RHIValidation
UE-350452 GAS Generic Replication: the GameplayTagCountContainer Continually Replicates ‘None’
UE-350508 VP - Multiple LogUdpMessaging: Warning in output.log - Possible for double delivery
UE-350545 GitHub 13964 : Fix aliased textures to use correct views on vulkan
UE-350714 VCam pixel streaming ARKit LiveLink fails reconnect
UE-350810 URollbackBlackboard::BlackboardEntry Crash on Mover Component Initialization
UE-351092 Cloth Asset - Crash in the TransferSkinWeight node when a non-manifold mesh is used with the inpaint method
UE-351162 Crash when saving a Rig Module while having a Connector selected in the Rig Hierarchy
UE-351391 [GroomSolver] Crash occurs upon evaluation of Groom Dataflow in DeformerGroomInterfaceUtils.h:187 w/mesh deformer set to “DG_GuidesSolver”
UE-351395 Ndisplay with Global Latency set to 1 is causing the outer to become corrupt.
UE-351409 Validate SDL Camera plugin on AMD hardware
UE-351643 Deleting layer with scene capture(s) no longer destroys the scene capture component
UE-351685 [PCG] FPCGGraphCompilerGPU::BuildComputeGraphTask not using proper outer causing unwanted object reuse
UE-351770 Sun light direction is wrong in the Celestial Sky Plugin
UE-351868 Quick Launch fails on some Android devices
UE-351872 Convert tool crashes on converting multi-selected dynamic meshes to static mesh
UE-351904 [Sequencer] “Render CustomDepth Pass” is not toggled by Level Sequences.
UE-352089 Crash when adding IK Goal to Full Body IK Solver - 5.7.1 Tracker
UE-352196 VkEvent handle leak when using Split Barriers in Vulkan
UE-352410 Dynamic Mesh Converter creates an incomplete dynamic mesh with no shadows or bounding box causing visual issues
UE-352412 Crash when generating groom cards from previous LODs
UE-352426 EOS: 1.18.1.2 Binary Update
UE-352461 Crash when enabling LocalFixedTime on DaySequenceModifierComponent with null sequence
UE-352528 Editor crash when closing due to SAssetView kept alive too long
UE-352701 Cloth Asset - Crash while merging weight maps using the MergeClothCollections node.
MH-16864 Crash when interacting with SKM exported from MetaHuman Creator
UE-352731 The User cannot set value on Interval inside a UserDefinedStruct/DataTable Editor
UE-352736 Evaluation scope instance data fails if only blueprint node are used.
UE-352758 Comment blocks in blueprints were showing up with the editors preferences but shouldn’t
UE-352959 Iris - ObjectPoller did not force poll object references after GC
UE-352978 Shader might not compile correctly with Substrate
UE-352979 Intro To Unreal - In-Editor Documentation plugin cannot be enabled
UE-353149 [CrashReport][Assert] DerivedDataCache!UE::DerivedData::FTimeAveragedStat::Add() [DerivedDataCacheStats.cpp]
UE-353177 [CrashReport][Ensure] UnrealEditor-PCG!FPCGComputeGraphElement::ExecuteInternal(FPCGContext *) [Engine/Plugins/PCG/Source/PCG/Private/Compute/Elements/PCGComputeGraphElement.cpp:140]
UE-353204 Crash in Engine when loading a level sequence from take recorder with Gameplay Camera set up on player
UE-353208 Opening the Blueprint palette crashes the editor if the Gameplay Cameras plugin is enabled
UE-353209 Some camera rig assets are always dirtied when running PIE, and the editor always asks to re-save them
UE-353222 [PCG] Metadata operations on position & local position on Polygon2D can crash if there is more than 64/256 vertices
UE-353309 [CrashReport][Crash] UnrealEditor-AvalancheOutliner!FAvaOutliner::Refresh() [Engine/Plugins/VirtualProduction/Avalanche/Source/AvalancheOutliner/Private/AvaOutliner.cpp:445]
UE-353363 Clone - IPhonePackager Codesign not working on MacOS 26
UE-353406 UBT will crash when building with -NoEngineChanges and there are some engine changes
UE-353502 Physics Control is not marked as Beta in UE 5.7.0 (still shows Experimental)
UE-353619 Weightmap do not reload properly from existing cloth assets
UE-353701 ShowFlag.VisualizePostProcessStack displays corrupt scene when enabled
UE-353720 Motion Design Template project has default thumbnails instead of the intended one
UE-353722 Broadcast’ template with no content appears in the Project Creation wizard
UE-353734 Home Panel - Roadmap links
UE-353764 Text3D compilation error when building Linux UnrealServer target
UE-353909 M&E Template Projects Should Not Set r.Tonemapper.Sharpen=2
UE-353929 Holes Visible in the Terrain
UE-353990 AIE: Fix Evaluating Constraints when baking, snapper, trails with simulation
UE-354049 Heterogeneous Volumes: Compositing artifacts under play mode when “Composites with Translucency” is enabled
UE-354082 [CrashReport][Crash] WebBrowser!FWebBrowserSingleton::FWebBrowserSingleton() [WebBrowserSingleton.cpp]
UE-354128 [CrashReport][Assert] UnrealEd!FEditorModeTools::FEditorModeTools() [EditorModeManager.cpp]