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    Originally posted by Dekoy View Post

    any luck with this?
    Not at all. I've sent a bug report yesterday. The problem probably lies somewhere deep inside the D3D11RHI.

    Comment


      So when I validate any project i get this error:
      this bp is corrupted even if i reinstall 4.26

      might want to look into this asap. VictorLerp

      IWBE_Blutility.uasset is corupt :/


      [AssetLog] F:\UE4\UE_4.26\Engine\Content\Tutorial\InWorldBlueprintEditing\TutorialAssets\IWBE_Blutility.uasset: Default__IWBE_Blutility_C is not valid. See the MapCheck log messages for details.
      Matt Walton: Programmer and owner of WireLiteSoft Games.

      [Streaming Terrains][WireLiteSoft.us]

      Comment


        UPDATE!

        The 4.26.1 Hotfix is now live!

        Fixed in 4.26.1
        Fixed! UE-105241 Control Rig Asset: 4.26. Mannequin_ControlRig is pointing at an non-existing Preview SkeletalMesh
        Fixed! UE-105020 Changing Variable name does not allow Default Value change
        Fixed! UE-104939 Setup mode no longer works
        Fixed! UE-104600 Mirroring does not work with Limits on
        Fixed! UE-104599 Mirroring does not work on non-Transform controls
        Fixed! UE-104388 Opening Level Sequences that have keys on no longer existing controls in Control Rig Crash
        Fixed! UE-104348 Crash when Diff Selected on 2 Control Rigs
        Fixed! UE-104047 Fixed name passed to NewObject in ControlRigComponent
        Fixed! UE-103751 Crash in Control Rig Component when deleting SkeletalMeshComponent
        Fixed! UE-103646 Creating Control Rig with a SkelMesh that has a shared Skeleton has incorrect initial transforms
        Fixed! UE-103645 Refreshing Mesh while in Setup Mode causes Editor freeze with memory increasing
        Fixed! UE-103397 If the ControlRig Class property is set only on the Instance of the scene, the mapping is not generated with "Add Mapped SkeletalMesh"
        Fixed! UE-103396 The Default ControlRig Class property on ControlRigComponent is reset at editor restart.
        Fixed! UE-103395 The Component Name that is set by "Add Mapped SkeletalMesh" is the Component Name ("SkeletalMeshComponent0") but it should by the Field Name of that Component ("SkeletalMeshComponent")
        Fixed! UE-103394 The target SkelMesh Component cannot be found if it is not in the same Owner Actor than the ControlRig Component
        Fixed! UE-103020 Control Rig Sphere Trace : Channel can be set, but is hardcoded to Visibility
        Fixed! UE-102893 Moving Spaces in Setup Mode and then Resetting causes hard crash
        Fixed! UE-99547 Sequencer: Control Rig: Order Of Controls Different Between Details And Sequencer
        Fixed! UE-106872 MoviePipeline: ObjectId pass is very slow
        Fixed! UE-106780 Control Rig: Sequencer: Editing Anim Sequence May create two rigs if Default Animating Rig is set
        Fixed! UE-106278 Bake to Control Rig - Baked keys always start at frame 0, even if there is a custom start time
        Fixed! UE-106266 MoviePipeline: High resolution feature produces corrupted images
        Fixed! UE-106242 LOC-4.26 Editor String "Match Include Z Height" - Typo
        Fixed! UE-106224 Crash when Sequencer spawn a Blueprint with ActorSequence
        Fixed! UE-106189 Sequencer: Control Rig: Can't select Control Rig Channels in Curve Editor
        Fixed! UE-106183 MoviePipeline: PostProcessing doesn't support 32-bit Output
        Fixed! UE-106175 Anim Notifies and Curves are removed when saving Linked Animation Sequences through Sequencer
        Fixed! UE-106125 Ensure playing a sequence that has an event trigger that calls SetPlaybackPosition
        Fixed! UE-106115 Spawnable doesn't get removed when the sequence editor is closed
        Fixed! UE-106108 Control Rig Components animated in sequence not animating in PIE
        Fixed! UE-106062 [CrashReport] FMovieSceneRootEvaluationTemplateInstance::FindInstance
        Fixed! UE-106034 Parameters in Sequencer tracks are not in order and can't be re-ordered
        Fixed! UE-105472 Frame 0 start if closing sequencer window before take recorder starts
        Fixed! UE-105447 Viewport Piloting with Sequencer and Control Rig keys
        Fixed! UE-105428 Sequencer instances may become invalid during PostEvaluation phase resulting in a crash
        Fixed! UE-105421 GitHub 7660 : fix the reduced key issue on curve animations
        Fixed! UE-105265 Copy paste improvements for vectors/control rig
        Fixed! UE-105019 GetBoundObjects is not returning spawned objects when the playback start is nonzero
        Fixed! UE-104998 [CrashReport] UE4Editor-LevelSequenceEditor!FCinematicViewportLayoutEntity::FCinematicViewportLayoutEntity(FViewportConstructionArgs const &) [CinematicViewportLayoutEntity.h:19]
        Fixed! UE-104737 MoviePipeline: High resolution feature crashes
        Fixed! UE-104680 Camera viewport hotkeys shouldn't affect Sequencer timeline when the viewport is focused
        Fixed! UE-104679 Setting the camera cut track to Keep State doesn't keep the camera after the Sequence ends
        Fixed! UE-104610 Compiling Control Rig while having controls selected in sequencer breaks the controls
        Fixed! UE-104608 Sequencer: Control Rig: Skel mesh actor snaps back on mouse release if key exists
        Fixed! UE-104517 [CrashReport] FCurveEditorTreeItem::GetOrCreateCurves(FCurveEditor *) [CurveEditorTree.cpp:24]
        Fixed! UE-104483 Actor Sequences don't play on spawned actors in cooked games
        Fixed! UE-104190 Sequencer lag with subscenes and shot tracks?
        Fixed! UE-104137 Warning message is incorrect when rendering movie with alpha while alpha is disabled
        Fixed! UE-104109 Additive control curves not evaluating correctly in Sequencer
        Fixed! UE-104098 In certain circumstances a sequence could only play once and never again
        Fixed! UE-104091 Attach tracks in a Master sequence bound to objects in a sub sequence do not work
        Fixed! UE-103992 Crash trying to cast to a Take Preset
        Fixed! UE-103827 Crash in UE::MovieScene::SetComponentTransformAndVelocity due to null SceneComponent
        Fixed! UE-103750 Regression: External owned Spawnable object disappears when the sequencer movie is finished.
        Fixed! UE-103741 Animation Mode Channels transform sliders not updating correctly
        Fixed! UE-103579 It is possible for entities to be re-imported more than necessary
        Fixed! UE-103567 Adding a track for a string property through sequence scripting causes the property track to be named "Strings"
        Fixed! UE-103565 Presets aren't working on FBX Import to Control Rig
        Fixed! UE-103461 Crash in compiled data manager when an entry for a sequence doesn't exist
        Fixed! UE-103187 Ensure when closing PIE during Level Sequence playback with spawnables in a streamed level
        Fixed! UE-103172 Selection not synced when filter is set to "Selected Control Rig Controls"
        Fixed! UE-101161 Deleting Control Rig Track in Sequencer keeps Animation Mode window with Controls
        Fixed! UE-96984 Undoing bake to control rig leave unselectable control rig in viewport
        Fixed! UE-92917 Setting controlled shake section duration to 0 or less should show a warning
        Fixed! UE-104583 Widgets with Delay nodes do not execute correctly when the game is paused if there are no animations playing
        Fixed! UE-104978 [CrashReport] UE4Editor-CoreUObject!TArray<TDelegateBase<FDefaultDelegateUserPolicy>,TSizedHeapAllocator<32> >::RemoveAtSwapImpl(int,int,bool) [Array.h:1644]
        Fixed! UE-104834 Audio: Concurrency: Pink Noise is heard after higher pitched tone begins to play
        Fixed! UE-104738 Quartz crash when a new clock is created in a Quartz BP delegate
        Fixed! UE-104251 Adding a multiband compressor effect with the default settings to a submix crashes the editor
        Fixed! UE-104240 Send to Master Reverb Submix toggle on Sound Classes doesn't function correctly
        Fixed! UE-103770 When Oculus Audio set as Spatial Audio Plugin, Editor Crashes When Playing Binaural AmbientSound in Viewport
        Fixed! UE-103195 CLONE - [Audio] Activating Reverb in Blueprints Doesn't Work
        Fixed! UE-102139 AudioQA StopFarthestThenOldest Rule Saw Tone doesn't cease playing
        Fixed! UE-106425 Use of Gauntlet for running editor automation tests lacks a simple example for developers and licensees
        Fixed! UE-106387 Automation reports do not update and are deleted on a second run
        Fixed! UE-106386 Automation tests that encounter new screenshots generate errors and an invalid report
        Fixed! UE-106383 If multiple maps are specified for PIE in AutomationTestSettings only the first map is tested
        Fixed! UE-106381 Devices provided to Gauntlet from the device service may be in use
        Fixed! UE-103931 Setting bTreatLogErrorsAsTestErrors to False prevents FunctionalTests from failing
        Fixed! UE-106430 Array properties marked as 'Instanced' are not updated correctly in blueprint instances
        Fixed! UE-104083 Cooking -nevercookdir and nevercookdirectories ignored, directories still cooked
        Fixed! UE-104009 Crash when launch Standalone game with -trace=object
        Fixed! UE-103938 Apply BD2 non EDL fix to 4.26.1 when it is opened
        Fixed! UE-103730 RelativeToGameDir metadata on FFilePath only works for files under content
        Fixed! UE-105077 DirectoriesToAlwaysCook/DirectoriesToNeverCook not working for plugin content roots missing a terminating /
        Fixed! UE-104195 CLONE(4.26.1) - Cooking -nevercookdir and nevercookdirectories ignored, directories still cooked
        Fixed! UE-100265 Lumin fails to package QAGameClient on Cook stage due to fatal error (EXCEPTION_ACCESS_VIOLATION) in GetTextureBuildSettings
        Fixed! UE-105387 Extra quote are added to the CRC Analytic AppID in installed build
        Fixed! UE-102630 macOS Big Sur - CrashReporter window sometimes does not launch on consecutive crashes
        Fixed! UE-104270 Unreal Insights crashes when encountering a GPU event that does not have an event spec
        Fixed! UE-106480 Possible crash in TickDestroyGameThreadObjects with gc.MultithreadedDestructionEnabled=True on Android
        Fixed! UE-96954 Newly added C++ classes are not available after a hot-reload
        Fixed! UE-104995 [CrashReport] UE4Editor-DerivedDataCache!BuildPathForCacheKey(wchar_t const *) [FileSystemDerivedDataBackend.cpp:38]
        Fixed! UE-104859 GitHub 7633 : pop back to the original directory after pushing.
        Fixed! UE-103879 Missing FBX files from binary(Launcher) distribution in Engine/Content/FbxEditorAutomation
        Fixed! UE-103263 RunUAT OpenEditor command doesn't work as intended on Windows
        Fixed! UE-103103 GitHub 7521 : Fix lookup for uproject model support in Rider
        Fixed! UE-102955 Launching Win32 project results in UE Prerequisites installation endless loop
        Fixed! UE-101937 GitHub 7449 : Add support for MacOS and Uproject based project model
        Fixed! UE-94407 GitHub 7065 : Fixed a problem with multi-byte string conversion failure in Visual Studio 2019 in Japanese environment.
        Fixed! UE-105081 Crash occurs when compiling in Editor after editing a C++ file
        Fixed! UE-102707 Crash after creating a suboject for RootComponent if the actor is placed on the level
        Fixed! UE-103854 Live++ integration - 4.25.4 Compilation Issue
        Fixed! UE-103451 CLONE 4.26.1 - Live Coding Compile doesn't apply changes when Launching On Device / Blueprint Project
        Fixed! UE-90773 Live Coding Fails to Compile Launch on Game In a Certain State
        Fixed! UE-77431 File > Recent Projects > Project from a Live Coding Quick Restarted Editor kills the opening project before it loads or orphans the Live Coding Console
        Fixed! UE-105027 WaitMutex behaves poorly when there are casing differences in the same path
        Fixed! UE-104673 UnrealBuildTool does not include the version of toolchain items as a dependency
        Fixed! UE-102825 Compiling with VS2019 16.6 later causes garbled characters in output window
        Fixed! UE-104439 Collaborative Viewer - Reset transform malfunction
        Fixed! UE-102746 Packaging blank blueprint project results in black screen on target platform
        Fixed! UE-104618 FSeamlessTravelHandler::Tick can crash under unusual circumstances
        Fixed! UE-104587 Can not find abstract class in actor class dropdown list in GetAllActorsOfClass node
        Fixed! UE-104507 [CrashReport] UE4Editor-Kismet!SSCS_RowWidget::GetNativeComponentNameToolTipText() [SSCSEditor.cpp:2120]
        Fixed! UE-104327 Converting a function with local variables to an event crashes editor
        Fixed! UE-103658 BP compiler crash
        Fixed! UE-103656 GitHub 7545 : Fix for build process crash during placeholders iteration
        Fixed! UE-104396 Soft Object Reference Pins can't be reset to None
        Fixed! UE-104126 Crashed when selecting a class for a property in BP
        Fixed! UE-105000 Selecting multiple actors with differing DataTableHandles causes data loss
        Fixed! UE-101185 Media Player fails to validate media source when launching QAGame TM-ShaderModels level on Win64
        Fixed! UE-105059 Duplicate level collections not being respected by UGameEngine::NetworkRemapPath
        Fixed! UE-104833 GitHub 7625 : FUpdateLevelVisibilityLevelInfo NetSerialize may be mismatch
        Fixed! UE-102758 Child Actor component doesn't properly destroyed on clients.
        Fixed! UE-102984 QA-MultipleMaterialLayer: Examples Are Blurry From Afar But Become Clear When Up Close
        Fixed! UE-102882 Crash when hosting a ShooterGame Quick Match - Assertion failed: QueueType == ED3D12CommandQueueType::Default && !GetShouldTrackCmdListTime()
        Fixed! UE-89452 Crash on launching when installed AOC package created via chunk
        Fixed! UE-97321 Inconsistencies in rendering between eyes and graphical corruption on PSVR
        Fixed! UE-105058 Resizing UE4Editor causes VK ERROR DEVICE LOST
        Fixed! UE-104591 GitHub 7608 : RunUAT.sh incorrectly tries to use Mac Env
        Fixed! UE-103463 Android fails to get EXTERNAL_STORAGE from generated bat scripts on Linux
        Fixed! UE-104910 GitHub 7641 : Fix issue of CreateProcess on Mac
        Fixed! UE-103126 Mac deployment for iOS project causes Crash [FMacPlatformProcess::CreateProc: posix_spawn() failed]
        Fixed! UE-102221 Assets in Source Control cannot run Diff against Depot with p4merge diff tool
        Fixed! UE-100517 Mac - Xcode fails to build C++ project with a Shell Script Invocation Error
        Fixed! UE-99914 UE4 Detecting Wrong Gamepad Key Inputs
        Fixed! UE-95582 AppleSilicon: Ability to build for different architectures via UBT / Xcode is not supported
        Fixed! UE-106281 Android Visual Studio extension (AGDE) missing required project file support
        Fixed! UE-105474 Crash after using mobile custom depth
        Fixed! UE-105214 Crashed on IOS/Mac device if enable GTAO
        Fixed! UE-105140 .so libraries are no longer packed inside apk
        Fixed! UE-104402 Crash when launching QA-Promotion on Android from the editor
        Fixed! UE-103873 Vulkan Mobile SM5 not building without Vulkan Mobile Renderer enabled
        Fixed! UE-103752 Runtime Virtual Texture etc2 compression for normals
        Fixed! UE-103596 Mobile shadows disappear for stationary lights with Inset Shadows = true and Modulated Shadows = false
        Fixed! UE-103279 Windows iTunes 12.6.X standalone installer incompatibility
        Fixed! UE-103181 Mac Binary C++ project files cannot be cleaned
        Fixed! UE-106353 GitHub 7671 : D3D11 index buffer debug name
        Fixed! UE-106101 Paper sprite and Mesh Lod Coloration results in engine crash
        Fixed! UE-105075 Possible crash in UTexture::UpdateResource()
        Fixed! UE-104627 Crash when enabling HZB occlusion culling
        Fixed! UE-104509 [CrashReport] FRuntimeVirtualTextureComponentDetailsCustomization::BuildStreamedMips
        Fixed! UE-104496 [CrashReport] UE4Editor-SceneOutliner!SceneOutliner::SSceneOutliner::OnKeyDown(FGeometry const &,FKeyEvent const &) [SSceneOutliner.cpp:3977]
        Fixed! UE-104075 Groom binding create incorrect binding data
        Fixed! UE-104074 Hair emissive rendering does not work when several groom are on screen
        Fixed! UE-104046 Editor crash after re-importing already imported groom asset
        Fixed! UE-103906 Crash when plugging Depth Fade to Base Color and using Required Texture Resolution mode
        Fixed! UE-103890 Attempting to sync to a Changelist for FortGPUTestbed in UGS fails and creates an error using FortGPUTestbedGameMode.cpp
        Fixed! UE-103509 Crash when clicking on Create Follicles Texture
        Fixed! UE-103410 Incorrect names listed in property matrix of the groom editor
        Fixed! UE-94916 Hair Does Not Cast Shadow In Proper Location
        Fixed! UE-105201 Cascade particle system crash when changing levels in a cooked game
        Fixed! UE-103902 Crash sampling a Skeletal Mesh Actor with a MinLOD out of bounds of available LODs
        Fixed! UE-104454 Random crash when opening ThirdPersonCharacter editor
        Fixed! UE-104432 Crash when binding some Grooms and clicking "Compile" in the ThirdPersonCharacter editor
        Fixed! UE-104184 Harsh edges in the cloud scape of the new cloud actor in 4.26
        Fixed! UE-104182 [CrashReport] RayGenShaderIndex != INDEX_NONE [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/D3D12RHI/Private/D3D12RayTracing.cpp] [Line: 4027]
        Fixed! UE-104181 [CrashReport] UE4Editor-Engine!FPrecomputedVolumetricLightmapData::ReleaseRHI() [PrecomputedVolumetricLightmap.cpp:303]
        Fixed! UE-103941 Crash when dragging some Grooms to the "Groom Asset" field
        Fixed! UE-103940 Crash when changing some Grooms in the "Groom Asset" field
        Fixed! UE-103844 Crash when switching to another Groom Asset Editor tab after adding new "Minimum LOD"
        Fixed! UE-95922 [CrashReport] UE4Editor-Engine!FShaderCompilingManager::ProcessCompiledShaderMaps(TMap<int,FShaderMapFinalizeResults,FDefaultSetAllocator,TDefaultMapHashableKeyFuncs<int,FShaderMapFinalizeResults,0> > &,float) [ShaderCompiler.cpp:2316]
        Fixed! UE-106109 Setting Texture Object within Niagara fails to update texture
        Fixed! UE-105400 Enabling Frustrum Culling on a Mesh Renderer removes their cast shadows
        Fixed! UE-105261 Component pool shipping build crash
        Fixed! UE-105163 Crash in UNiagaraComponent::PostLoad when running with -stompmalloc
        Fixed! UE-104235 Niagara systems set as a Niagara System Component's System Asset are missing from packaged CPP project
        Fixed! UE-104139 Crash with the RDG Builder in the niagara hair velocity
        Fixed! UE-103836 Particle Data Exports only work in the final simulation stage
        Fixed! UE-102199 Toggling static switch caused a crash related to timeline keys and burst
        Fixed! UE-100502 Selecting an item from the CVar Conditions filtered menu with mouse click closes the menu without setting the array element
        Fixed! UE-100499 Ensure when adding duplicate CVar conditions to Scalability and Scalability Overrides
        Fixed! UE-97456 Crash when resetting an input to the duplicate parent emitter's value
        Fixed! UE-97114 Emitter level dependencies are incorrectly satisfied and break emitter
        Fixed! UE-96739 Uniform Static Mesh Sampling doesn't work on GPU Niagara Emitters
        Fixed! UE-95737 A green arrow to reset input in the Niagara selection panel - doesn't work
        Fixed! UE-104970 [CrashReport] UE4Editor-ContentBrowserAssetDataSource!ContentBrowserAssetData::MoveAssetFolderItems(TArrayView<TSharedRef<FContentBrowserAssetFolderItemDataPayload const ,0> const ,int>,FName) [ContentBrowserAssetDataCore.cpp:907]
        Fixed! UE-104356 Skinned mesh corruption in ray tracing effects
        Fixed! UE-103748 GPU Lightmass: some maps have uninitialized data in bake-what-you-see mode
        Fixed! UE-91271 [CrashReport] UE4Editor-Engine!FInstancedStaticMeshSceneProxy::GetDynamicRayTracingInstances(FRayTracingMaterialGatheringContext &,TArray<FRayTracingInstance,TSizedDefaultAllocator<32> > &) [InstancedStaticMesh.cpp:1200]
        Fixed! UE-106385 RHICopyTexture fails to copy from R16G16 to BC1
        Fixed! UE-106088 Vulkan RHI when execute the node "Create Render Target 2D" when enabling the option "AutoGenerate Mip Maps"
        Fixed! UE-105264 GitHub 7658 : Fix D3D12 swapchain image leak
        Fixed! UE-104758 Vulkan Eviction & Defrag does not work on nvidia hardware
        Fixed! UE-104518 [CrashReport] UE4Editor-StatsViewer!static class FName ShaderPlatformToShaderFormatName(EShaderPlatform) [RHIShaderFormatDefinitions.inl:127]
        Fixed! UE-104484 [CrashReport] UE4Editor-D3D12RHI!FD3D12CommandListFence::GetCurrentFence() [D3D12DirectCommandListManager.h:165]
        Fixed! UE-104264 Crash on shutdown in D3DX12Residency::Internal::ScopedLock
        Fixed! UE-104008 Texture2DArrayResource .cpp has a space in the file name.
        Fixed! UE-82937 [CrashReport] UE4Editor-D3D11RHI!VerifyD3D11Result(long,char const *,char const *,unsigned int,ID3D11Device *) [D3D11Util.cpp:249]
        Fixed! UE-104936 Skylight not working properly with mGPU + nDisplay on viewfamilies not in GPU 0.
        Fixed! UE-104880 GitHub 7637 : Fixed: PhysX broadphase settings are not working in 4.26
        Fixed! UE-106192 StaticMeshEditor - "Generate UV" tool no longer works
        Fixed! UE-106083 [CrashReport] UUnrealEdEngine::CanSelectActor(AActor *,bool,bool,bool) [EditorSelectUtils.cpp:480]
        Fixed! UE-105275 Reported assert when adding spline point to a segment
        Fixed! UE-105211 MaterialFunction files not deleting
        Fixed! UE-105017 Subobject components do not have undo functionality within the level
        Fixed! UE-104984 [CrashReport] UE4Editor-UnrealEd!UEditorEngine::Tick(float,bool) [EditorEngine.cpp:1322]
        Fixed! UE-104977 [CrashReport] UUnrealEdEngine::AttemptModifiedPackageNotification
        Fixed! UE-104972 [CrashReport] UE4Editor-D3D11RHI!FD3D11DynamicRHI::RHISetShaderTexture(FRHIComputeShader *,unsigned int,FRHITexture *) [D3D11Commands.cpp:437]
        Fixed! UE-104959 [CrashReport] UE4Editor-Core!ReportCrash(_EXCEPTION_POINTERS *) [WindowsPlatformCrashContext.cpp:1574]
        Fixed! UE-104663 Static array UI naming no longer works properly
        Fixed! UE-104491 [CrashReport] UEditorEngine::GetTransactionName() [EditorServer.cpp:1420]
        Fixed! UE-104395 Play Standalone doesn't respect Viewport Size options
        Fixed! UE-103581 Transient actor can not be deleted from level
        Fixed! UE-92943 [CrashReport] UE4Editor-UnrealEd!UEditorEngine::Map_Load(wchar_t const *,FOutputDevice &) [EditorServer.cpp:2606]
        Fixed! UE-106064 [CrashReport] SAssetView::AssetVerifyRenameCommit(TSharedPtr<FAssetViewItem,0> const &,FText const &,FSlateRect const &,FText &) [SAssetView.cpp:3495]
        Fixed! UE-105009 [CrashReport] Assertion failed: false [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/Core/Private/UObject/UnrealNames.cpp] [Line: 1829]
        Fixed! UE-104685 Dynamic Collection are not filtering properly after being reloaded
        Fixed! UE-104246 Navisworks Exporter Fails to Execute on some systems
        Fixed! UE-104237 Revit Direct Link - Missing material slot data in mesh
        Fixed! UE-104204 DirectLink - Duplicated materials elements
        Fixed! UE-103392 Revit plugin crash with direct link when swapping family types
        Fixed! UE-103105 Revit Plugin Direct Link - Static Mesh changes
        Fixed! UE-102785 Revit Plugin Datasmith Direct Link - Multiple actors with the same name
        Fixed! UE-102734 DirectLink - Duplicated textures elements
        Fixed! UE-102361 Typo in Navisworks Ribbon
        Fixed! UE-102295 DirectLink Revit - Non unique name for component childs actors
        Fixed! UE-102041 DirectLink - Revit Add-on - An additional camera (bloat) for each sync
        Fixed! UE-106213 CAD Import: Wrong scene graph after importing same file with different options
        Fixed! UE-106145 Datasmith import crash on MacOS with provided file
        Fixed! UE-104594 Variant Manager causing crashes in packaged project with EXCEPTION_ACCESS_VIOLATION
        Fixed! UE-104585 Datasmith re-tessellation crashing when a static mesh asset is manually moved from one project to another
        Fixed! UE-104557 DatasmithRuntimeDemo crash in packaged shipping application at startup
        Fixed! UE-104330 DatasmithRhinoExporter - Plugin installer is detecting Rhino7 as Rhino6
        Fixed! UE-103903 Datasmith runtime importer crash in packaged shipping application
        Fixed! UE-103683 Datasmith API: an ensure is raised while importing a IDatasmithLandscapeElement
        Fixed! UE-103644 Material slot issue on importing CATPart and retessellate
        Fixed! UE-103371 A transformation which apply a symmetry on Y axis is translated by Datasmith by a rotation around Z axis
        Fixed! UE-103367 PLMXML from Deltagen: Matrix convention different from Deltagen to Unreal
        Fixed! UE-102951 Datasmith runtime importer stuck on mesh loading
        Fixed! UE-102950 Crash when loading 8k images with the Datasmith Runtime plugin
        Fixed! UE-102385 Datasmith Runtime Crash when modifying scene
        Fixed! UE-102155 (Demo Project)Revit Direct Link sources lost when opening a new source
        Fixed! UE-104100 Advanced Copy creates non-compiling BPs when one copied asset calls a BP function on another copied asset
        Fixed! UE-103856 Crash when doing Advanced Copy on an actor and a component
        Fixed! UE-104622 HLOD packages are not saved properly when the bSaveLODActorsToPackages option isn't set
        Fixed! UE-106198 USD Skel mesh exports wrong skinning info
        Fixed! UE-106117 Callstack dump when using ImportAssetsAutomated
        Fixed! UE-106067 [CrashReport]UE4Editor-MeshUtilities!FixupMaterialSlotNames_Implementation<FStaticMaterial>(TArray<FStaticMaterial,TSizedDefaultAllocator<32> > &) [MeshUtilities.cpp:3038]
        Fixed! UE-104983 [CrashReport] UPackageTools::UnloadPackages
        Fixed! UE-104718 Imported UDIM asset names are not properly sanitized
        Fixed! UE-104271 Lidar: Collision needs to be manually removed before rebuilding for the effects to be applied
        Fixed! UE-104268 Lidar: TargetFPS is ignored in packaged projects
        Fixed! UE-104116 Random Crashes in FLidarPointCloudLODManager::PrepareProxies()
        Fixed! UE-103904 Error when exporting OBJ unattended
        Fixed! UE-103791 Using Do Not Create Material in FBX import settings seems to result in only one Material Slot
        Fixed! UE-103769 USD Camera anim doesn't show in sequencer
        Fixed! UE-103640 AxF car paint color not matching AxF Viewer
        Fixed! UE-103489 USD file path should be convert to relative path when possible.
        Fixed! UE-103201 USD - Orphaned components after moving them in PIE
        Fixed! UE-106476 [CrashReport] UE4Editor-UnrealEd!FEditorFileUtils::SaveDirtyPackages(bool,bool,bool,bool,bool,bool,bool *) [FileHelpers.cpp:3483]
        Fixed! UE-105002 [CrashReport]UE4Editor-Engine!UStreamableRenderAsset::UnlinkStreaming() [StreamableRenderAsset.cpp:218]
        Fixed! UE-104504 [CrashReport] UE4Editor-MetalRHI!FMetalVertexBuffer::FMetalVertexBuffer(unsigned int, unsigned int) [MetalVertexBuffer.cpp:88]
        Fixed! UE-104493 [CrashReport] UE4Editor-Landscape!FLandscapeLayersCopyTexture_RenderThread::Copy(FRHICommandListImmediate &) [LandscapeEditLayers.cpp:1082]
        Fixed! UE-104170 [CrashReport] UE4Editor-Engine!UStreamableRenderAsset::UnlinkStreaming() [StreamableRenderAsset.cpp:218]
        Fixed! UE-69483 Unhandled Exception attempting to paint on a Landscape with a weight-blended layer that was recently deleted and recreated
        Fixed! UE-106786 Sculpt tools target plane cannot be placed on objects in the scene
        Fixed! UE-106368 Materials used in some Modeling Tools can be Garbage Collected while still in use
        Fixed! UE-105267 Invert operation in Mesh Selection Tool can hang editor for many seconds/minutes
        Fixed! UE-104691 Re-tessellation: Skip Deleted surfaces option make tessellation ineffective
        Fixed! UE-104384 Crash using VoxBlend Tool when scrubbing through 'Offset Solidify Surface' values
        Fixed! UE-104125 Ensure is hit on first stroke in DynaSculpt Tool on some meshes
        Fixed! UE-104124 Crash in PolyEdit Weld Edges Operation
        Fixed! UE-104123 Cannot reposition workplane with hotkeys in PolyCut Tool
        Fixed! UE-104122 Mesh To Collision tool does not render preview for Convex Hulls
        Fixed! UE-104121 Weld Mesh Edges Tool frequently fails
        Fixed! UE-102601 Cook errors with Python developer mode enabled (deprecated imp module)
        Fixed! UE-106494 [CrashReport] UE4Editor-SlateCore!SImage::OnPaint(FPaintArgs const &,FGeometry const &,FSlateRect const &,FSlateWindowElementList &,int,FWidgetStyle const &,bool) [SImage.cpp:27]
        Fixed! UE-104991 [CrashReport] SlateRHIRenderer!FSlateRHIRenderingPolicy::DrawElements
        Fixed! UE-104825 GitHub 7620 : Fixed editor and run-time crash caused by a dangling pointer when using IStereoLayers with any VR system
        Fixed! UE-103403 Hittestgrid get remove and readded in GlobalInvalidation
        Fixed! UE-106499 [CrashReport]UE4Editor-PropertyAccessEditor!TBaseSPMethodDelegateInstance<1,SPropertyBinding const ,0,EVisibility ,FDefaultDelegateUserPolicy>::Execute() [DelegateInstancesImpl.h:290]
        Fixed! UE-105244 User can not move objects around in the Widget Designer
        Fixed! UE-105164 Items in Canvas Panel of Widget Blueprint can not be moved by Clicking and Dragging
        Fixed! UE-104468 [CrashReport] UE4Editor-UMGEditor!FWidgetBlueprintEditorUtils::PasteWidgetsInternal(TSharedRef<FWidgetBlueprintEditor,0>,UWidgetBlueprint *,FString const &,FWidgetReference,FName,FVector2D,bool,bool &) [WidgetBlueprintEditorUtils.cpp:1331]
        Fixed! UE-103868 Ensure condition failed: Play an animation in the finished animation event called from UUserWidget::StopAllAnimation
        Fixed! UE-102705 Crash when drag and drop a UI element from HorizontalBox to another widget blueprint
        Fixed! UE-105031 log spam when reading image sequences
        Fixed! UE-104952 [CrashReport] UE4Editor-UdpMessaging!FUdpMessagingModule::HandleTransportError() [UdpMessagingModule.cpp:620]
        Fixed! UE-104485 Stage Monitor - Crash when building DDC build on Linux
        Fixed! UE-97171 Blackmagic doesn't work with sdk 11.6
        Fixed! UE-103393 Pixel Inspector Final Color shows black for OCIO viewports
        Fixed! UE-104569 DMX Pixel Mapping - Cannot output 16bit RGB values to patched fixtures
        Fixed! UE-103283 Crash - 2 DMX libraries in Take Recorder without subscenes
        Fixed! UE-103282 DMX + Take Recorder only works with 1 library at a time.
        Fixed! UE-102971 DMX - Fully enable runtime switching of fixture patch
        Fixed! UE-102662 Add sequence number for the sending package (ArtNet and SACN)
        Fixed! UE-102527 DMX - UDMXEntityFixturePatch::ConvertAttributeMapToRawMap returns MSB value when the attribute is of LSB type
        Fixed! UE-104050 Maya and Mobu LiveLink 2020 aren't built from horde job
        Fixed! UE-103285 4.26 LiveLink MarketPlace Validation - error when loading Maya mll into Plug-in Manager
        Fixed! UE-106205 VRPN tracking broken in 4.26.0
        Fixed! UE-106204 Merge missing nDisplay UnrealInsights timers into release stream
        Fixed! UE-102964 GitHub 7501 : Fixed axis remapping when parsing nDisplay text config files
        Fixed! UE-106419 Remote Control Preset - Renaming a function in the preset makes it impossible to call the function
        Fixed! UE-106417 Remote Control API - Preset editor is missing button to disable "Use less CPU in background option"
        Fixed! UE-106415 Remote Control API - Notifications should not be sent back to websocket client that originated the change
        Fixed! UE-106057 Invalid test condition in MediaOutput
        Fixed! UE-106059 ExecCmds not working for nDisplay devices in Switchboard
        Fixed! UE-103687 4.26 - Fortnite Apollo_GPUPerfTest level crashes on load
        Fixed! UE-103623 Assert when selecting multiple spline points with one of the water spline point visualizer gizmo selected
        Fixed! UE-103510 Water Screenshot Tests fail on Mac
        Fixed! UE-103124 Re-enable Water EngineTests
        Fixed! UE-101351 [CrashReport] UE4Editor-Engine!UActorComponent::PreEditChange(FProperty *) [ActorComponent.cpp:752]
        Fixed! UE-103989 Transient Actors inconsistently dirty the level on spawn, edit, and destroy
        Fixed! UE-105471 GitHub 7662 : Add warning to avoid unexpected LateUpdateManager results
        Fixed! UE-105424 OpenXR call failed with result XR_ERROR_HANDLE_INVALID on OpenXR projects for Quest 1 and 2
        Fixed! UE-104822 Visible area mesh has an incorrect shape
        Fixed! UE-104674 APK/OBB mismatch when GameDefaultMap changes
        Fixed! UE-104527 Separate translucency doesn't render to right eye with MSAA enabled
        Fixed! UE-104227 GitHub 7579 : WMR Hand Mesh fix
        Fixed! UE-103923 Disable multiview for mobile VR preview
        Fixed! UE-103576 Failed to find shader type FLensDistortionUVGenerationVS in Platform PCD3D_ES31 when running BP_ConformanceDistortTest_00 in ComposurePostMoves map in EngineTest project
        Fixed! UE-103493 Missing transition in debug canvas.
        Fixed! UE-103387 Oculus Quest: Vulkan ensure occurs when running a project on Quest
        Fixed! UE-103228 GitHub 7530 : Hololens BP-only project package fix
        Fixed! UE-103058 Quest 2: 2D scene capture causes app to crash if lighting is not rebuilt
        Fixed! UE-102176 GitHub 7461 : Update HandMesh visualization
        Fixed! UE-101972 GitHub 7453 : Handle Index Grip Click/Touch and Trackpad Clicks
        Fixed! UE-106792 Editor will crash on attempt to load a previously-saved Blueprint asset with a serialized default subobject containing a serialized static array of two or more nested subobject instances.
        Fixed! UE-104133 Hair guide influence and cluster view don't work

        REMEMBER: Please report any new bugs you find by following the How To Report a Bug Guide

        Comment


          At last! Thanks Epic! Now we look forward fixes for 3 pages of VR issues schedules for 4.27

          Comment


            I have reported a bug when 4.26 came out. I have not received any follow-up, nor is the bug fixed in the hotfix.

            How can I find out what's going on with my bug report?

            Case # 00272712: Rich Text Block displays garbabe when it's a child of a Retainer Box
            MMO Starter Kit
            Dialogue Plugin
            Voxel Plugin
            Character Customization: Female
            Character Customization: Male

            Comment


              RT shadows with transmission on subsurface profile materials is still broken!

              EDIT: It's the shadow denoiser that's causing the issue.

              Click image for larger version  Name:	Head_SSS_RT.gif Views:	12 Size:	601.3 KB ID:	1858686
              Last edited by The_Distiller; 02-02-2021, 11:16 PM.
              ArtStation - Portfolio

              Comment


                No camera lens grain on mobile renderer.
                Has anyone else noticed this problem?

                Comment


                  Originally posted by fn2505 View Post
                  No camera lens grain on mobile renderer.
                  Has anyone else noticed this problem?
                  If it's not fixed then no. Please report using official bug report form.

                  Comment


                    Originally posted by CodeSpartan View Post
                    I have reported a bug when 4.26 came out. I have not received any follow-up, nor is the bug fixed in the hotfix.

                    How can I find out what's going on with my bug report?

                    Case # 00272712: Rich Text Block displays garbabe when it's a child of a Retainer Box
                    If anyone else is wondering about this - I emailed Epic and they wrote back. They're saying they're swamped, so bugs that aren't high priority are in a limbo right now.
                    MMO Starter Kit
                    Dialogue Plugin
                    Voxel Plugin
                    Character Customization: Female
                    Character Customization: Male

                    Comment


                      Originally posted by CodeSpartan View Post

                      If anyone else is wondering about this - I emailed Epic and they wrote back. They're saying they're swamped, so bugs that aren't high priority are in a limbo right now.
                      Nice to know...

                      I guess this is why VR hasn't been fixed and has progressively worsened with each new update... It's too bad, as the reason I started using Unreal was for the ease of VR development, but it's getting harder and harder to jump around all the VR issues as of late and Epic not doing anything about it.

                      With VR gaining in popularity...and Steam's HMD use almost doubling lately, Unreal needs to pick up the pace...or their going to be left behind, playing catchup as the competition gains. I literally spent 2 full days trying the get my Reverb G2 controllers to be recognized by either UE4.25.4 & UE4.26 in my project and finally gave up. UE4.26 is suppose to have a native plugin to use with SteamVR or OpenXR for the G2 but I couldn't even get that working in SteamVR. The funny thing is though...my Oculus Rift S 'just works' with no effort. WMR on the other hand is like pulling teeth!!! This shouldn't be happening in 2021...sorry for the rant...but I'm not the only one...

                      Comment


                        Anyone already posted the bug that keyword searching in Material or Blueprint is messed up?
                        Like“WorldPosition” gives you "Wind", "Lerp" gives you ‘Lerp_3Color" instead of "LinearInterpolate” which is way more often used than "Lerp_3Color",

                        I guess many people have noticed that since 4.26 updated. I hoped 4.26.1 had it fixed but it didn't .
                        Last edited by Book Sun; 02-02-2021, 09:58 PM.

                        Comment


                          Originally posted by PhoenixSpyder View Post
                          I guess this is why VR hasn't been fixed and has progressively worsened with each new update... It's too bad, as the reason I started using Unreal was for the ease of VR development, but it's getting harder and harder to jump around all the VR issues as of late and Epic not doing anything about it.
                          OK good, we're not the only team thinking this. Quickly approaching our release date, and each time the engine upgrades we have to chase an ever-growing list of @#$% to go try and figure out.

                          Question: Erm, how does one revert back to 4.26.0? We have a persistent level that crashes the editor now while trying to compile shaders ... Log just ends with LogShaderCompilers: Display: Worker (4/61): shaders left to compile 1 ... All sub-levels can be opened fine, but the master holding mostly audio and nav stuff CTDs the editor. I'm afraid if we uninstall 4.26 that only 4.26.1 with this issue will be the only install option available.

                          Comment


                            Originally posted by 1l2Hawk View Post


                            Question: Erm, how does one revert back to 4.26.0?
                            You have to dowload the source code and compile yourself.

                            Comment


                              Originally posted by 1l2Hawk View Post

                              OK good, we're not the only team thinking this. Quickly approaching our release date, and each time the engine upgrades we have to chase an ever-growing list of @#$% to go try and figure out.

                              Question: Erm, how does one revert back to 4.26.0? We have a persistent level that crashes the editor now while trying to compile shaders ... Log just ends with LogShaderCompilers: Display: Worker (4/61): shaders left to compile 1 ... All sub-levels can be opened fine, but the master holding mostly audio and nav stuff CTDs the editor. I'm afraid if we uninstall 4.26 that only 4.26.1 with this issue will be the only install option available.
                              That's why you don't update engines, especially close to release.

                              Comment


                                Is it just me or does the new roadmap site contain less detail on upcoming features than the old one that used to be on Trello?

                                Also why not take a break for a year and just focus on bug fixes instead of new features. Most of these new features are still playing catchup with current hardware and are not fully used in game production anyway in its full form (RT being one example), it'll take many years until its standardadized on some major platforms. We still have bugs and extreme performance issues and other areas completely not production ready.

                                ex. No one is going to be using full on strand hair in a game production anytime soon, no one is going to put RT in a game production as the default and remove cascade shadows, save for a tickbox add on and at best for a few reflections here and there. This tech is still in its infancy. I have yet to see them used in a justifiable scale other than some hobbyist experiments here and there or maybe by a beast rig at ILM as a sideshow for their prouction pipeline. I mean it is great to have this tech but is it worth overshadowing other important issues for it and have the team suffer in the process? I don't wish to nag about it but if the bugs are swamping the team at Epic as some are suggesting then maybe its time to just slow down a little?
                                Last edited by William K; 02-03-2021, 05:30 AM.

                                Comment

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