Hotfix 5.7.1 is here with just shy of 100 fixes & updates!
Please feel free to share feedback and discuss the current version in the release topic, Unreal Engine 5.7 Released.
If you experience a bug with the 5.6.1 Hotfix, please follow the How to Report a Bug guide to report it on the Bug Submission Form .
Notes to consider: Beginning with UE 5.7, Linux will transition from SDL2 to SDL3. Users with customizations to SDL2 code who are interested in switching to UE 5.7 should be aware that they will need to rework those changes for SDL3.
| Issue | Summary |
|---|---|
| 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] |