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    [HOTFIX] 4.23.1 Hotfix released

    The 4.23.1 Hotfix is now live!

    Feel free to discuss this release on the 4.23 forum thread.

    If you experience a bug with the 4.23.1 Hotfix, please follow the How To Report a Bug Guide to report it on the UE4 Answerhub.

    Update! ARKit has been updated to 3.0 (Beta).

    Update! Linux cross compile tool chain updated to v15_clang-8.0.1-centos7

    Fixed in 4.23.1

    Fixed! UE-81750 A Crash Occurs After Closing the Editor When Using The -http=wininet Argument To Open The Launcher
    Fixed! UE-81747 A Crash Occurs After Closing the Editor When Launching It With The -http=wininet Argument
    Fixed! UE-80066 Crash adding Oculus Audio Geometry BSP/Landscape components to blueprint
    Fixed! UE-80446 Disable FName write access violation
    Fixed! UE-81464 FName: Creating a FName containing a number bigger than MAX_int32 will result in negative value
    Fixed! UE-81493 FName("none") != FName("None") in debug / release configs
    Fixed! UE-80556 Editor freezes during lighting build via 'Build All'
    Fixed! UE-80016 Crash: Landscape Materials Missing on Shipping and Development Packaged Builds
    Fixed! UE-79929 [CrashReport] UE4Editor-UnrealEd!FConvertStaticMeshActorInfo::InternalGetFromActor(AActor *) [EditorEngine.cpp:3565]
    Fixed! UE-79622 Live Coding console warns Intermediate\Build\Win64\<Project>Editor\Development\Engine\LiveCodingInfo.json could not be read on start
    Fixed! UE-80124 UHT plugins are not supported in 4.23
    Fixed! UE-81453 C++ API isn't included in public binary releases
    Fixed! UE-79594 gltf 2.0 Blender Polly Import crashes
    Fixed! UE-79952 [CrashReporter] UE4Editor-Kismet!SSCSEditor::FindParentForNewComponent(UActorComponent *) [SSCSEditor.cpp:5410]
    Fixed! UE-80025 Crash adding Scene Component after force deleting root scene component blueprint
    Fixed! UE-78819 iOS clients timeout when connecting to Linux hosts for SequencerReplication
    Fixed! UE-62605 Actor Component Replication Not Working on Dynamically Spawned Components in Blueprint
    Fixed! UE-79322 Integer overflow in FUdpReassembledMessage::Reassemble
    Fixed! UE-80824 CLONE - Unreal Engine 4 Remote Array Index Underflow in NetFieldExport Processing
    Fixed! UE-79704 ShooterGame crashes when shutting down
    Fixed! UE-79960 [CrashReport] UE4Editor-SSL!FSslModule::Get() [SslModule.cpp:86]
    Fixed! UE-80492 GitHub 6226 : Fixed compatibility with Visual Studio 16.3
    Fixed! UE-81260 GitHub 6256 : Fix PhysX Linux Builds in Automation .cs File
    Fixed! UE-80811 GitHub 6242 : Update DataDrivenPlatformInfo.ini for Linux
    Fixed! UE-79682 ARM64 build broken
    Fixed! UE-80101 Linux Debug Editor crashes on startup
    Fixed! UE-79927 Error message relating to not having a vulkan driver and opengl disable is bad
    Fixed! UE-72059 Build UE4Game with -NoDebugInfo is broken on Linux
    Fixed! UE-51823 No Editor Audio on Linux when using ALSA
    Fixed! UE-78994 Editor fails to codesign ShaderCompileWorker and UnrealLightmass when building with Xcode 11
    Fixed! UE-78951 Copying text from the Output Log fails with - LogMac: Warning: Failed to create NSString to copy text to the pasteboard.
    Fixed! UE-81947 IPP can't connect to bundles on iOS 13 devices to download data
    Fixed! UE-80601 Redirects for Http not working with Media Player
    Fixed! UE-79546 IPhonePackager failing with Mono v6
    Fixed! UE-79241 InstancedStaticMeshes disappear in Shipping builds on mobile when affected by dynamic point lights
    Fixed! UE-71878 WebSocketNetDriver invalid send address warning when client connects
    Fixed! UE-78709 iOS Launch On does not copy content to iOS/TVOS 13 devices
    Fixed! UE-75695 Crash when loading iCloud/CloudKit SaveGame on iOS
    Fixed! UE-81711 IOS deploy fails with large bundles.
    Fixed! UE-80416 [CrashReport] UE4Editor-Renderer!FBatchingSPDI::DrawMesh(FMeshBatch const &,float) [PrimitiveSceneInfo.cpp:63]
    Fixed! UE-80338 [CrashReporter] UE4Editor-Engine!FTextureCacheDerivedDataWorker::DoWork() [TextureDerivedDataTask.cpp:451]
    Fixed! UE-81399 //UE4/Release-4.23 @ CL 8658414 Crash whith GameModeOveride = VirtualCameraGameMode while an Oculus is connected
    Fixed! UE-80758 Using -RenderOffScreen with DX12 causes crash
    Fixed! UE-20945 [CrashReport] Crash related to lack of disk space - FShaderCompileThreadRunnable::WriteNewTasks()
    Fixed! UE-77339 STAT_StaticMeshTriangles is not reporting static mesh draw commands.
    Fixed! UE-65222 [CrashReport] UE4Editor_D3D11RHI!VerifyD3D11Result() d3d11util.cpp:251
    Fixed! UE-75924 [CrashReport] UE4Editor-Engine!FMeshDrawSingleShaderBindings::Add(FShaderResourceParameter,FRHIShaderResourceView *) [MeshDrawShaderBindings.h:140]
    Fixed! UE-80474 Virtual Texturing UDIM's Packing Incorrect
    Fixed! UE-80345 [CrashReporter] UE4Editor-RenderCore!EmitNullShaderParameterFatalError(FShader const *,FShaderParametersMetadata const *,unsigned short) [ShaderParameterStruct.cpp:412]
    Fixed! UE-80231 4.23 freezes while baking lights
    Fixed! UE-79648 Avoid doing unnecesary work gathering ray tracing instances if all the ray tracing effects are disabled
    Fixed! UE-79849 Ray tracing translucency does not work in PIE with the default pawn
    Fixed! UE-79608 Use path reconnection to speed up ray tracing global illumination
    Fixed! UE-79390 Ray tracing reflections not energy-conserving when SPP > 1
    Fixed! UE-80133 Crash when r.DeferSkeletalDynamicDataUpdateUntilGDME 1 with RayTracing
    Fixed! UE-80072 Broken raytraced reflection in 4.23
    Fixed! UE-79925 [CrashReport] UE4Editor-RenderCore!FRDGBuilder::AddPassInternal(FRDGPass *) [RenderGraphBuilder.cpp:145]
    Fixed! UE-81881 Spot lights generate artifacts in ray tracing
    Fixed! UE-81539 Vulkan - FrameGrabber have an invalid pitch with none squared size texture.
    Fixed! UE-80091 QAGame (both editor and -game) crashes on start with -vulkan on AMD cards
    Fixed! UE-80086 r.Vulkan.AllowUniformUpload causes shadow artifacts
    Fixed! UE-79943 [CrashReporter] libUE4Editor-VulkanRHI.so!FVulkanViewport::CreateSwapchain() [VulkanViewport.cpp:641]
    Fixed! UE-79928 Motion blur length incorrect in PIE
    Fixed! UE-69186 Occasional failure to draw correctly in QAGame TM-Shadermodels -vulkan
    Fixed! UE-80333 Transform exposed to cinematics values are doubled when keyed
    Fixed! UE-80636 Can't select keys when track is expanded and collapsed
    Fixed! UE-80250 Restart playback after pause at end skips forward
    Fixed! UE-79785 A piloted camera is unlocked from the viewport when playing from inside the 2nd shot of a sequence
    Fixed! UE-80411 GitHub 6222 : Fix crash in ChangeTabWorld when TearDownWorld occurs
    Fixed! UE-80462 [CrashReporter] UE4Editor-UnrealEd!UEditorEngine::CheckForWorldGCLeaks(UWorld *,UPackage *) [EditorServer.cpp:1994]
    Fixed! UE-80352 [CrashReporter] UE4Editor-UnrealEd!CastChecked<UUserDefinedStructEditorData const ,UObject>(UObject *) [Casts.h:213]
    Fixed! UE-80203 Add Session Summary Analytic back into 4.23.1
    Fixed! UE-80657 [CrashReporter] UE4Editor-Blutility!UEditorUtilityWidgetBlueprint::ChangeTabWorld(UWorld *,EMapChangeType) [EditorUtilityWidgetBlueprint.cpp:108]
    Fixed! UE-79629 [CrashReport] UE4Editor-CoreUObject!UNameProperty::ExportTextItem(FString &,void const *,void const *,UObject *,int,UObject *) [PropertyName.cpp:27]
    Fixed! UE-81803 Crash when Toggling on Send Usage Data
    Fixed! UE-81308 Engine Crashes When Trying to Add an Entry to a TMap in a Nested Struct That is an Element of an Array
    Fixed! UE-79947 [CrashReport] UE4Editor-Messaging!FMessagingModule::ShutdownDefaultBus() [MessagingModule.cpp:121]
    Fixed! UE-79917 Creating a Blueprintable Struct that contains a Tmap results in Editor Crash
    Fixed! UE-79961 [CrashReporter] UE4Editor-Engine!ULevel::GetWorldSettings(bool) [Level.cpp:1651]
    Fixed! UE-77231 Crash when generating proxy mesh
    Fixed! UE-80218 4.23 UpdateGrass took twice time than 4.22
    Fixed! UE-79916 Crash when deleting Static Mesh Foliage asset
    Fixed! UE-80400 HLOD CalculateOverlap crashes when spheres barely overlap
    Fixed! UE-79618 When multiple HLODs are set, the transition does not occur correctly
    Fixed! UE-80168 Crash when trying to export unsupported Paragon Skeletal Mesh asset in 4.23
    Fixed! UE-79793 Skeletal Mesh LOD generation issues in Main
    Fixed! UE-81721 [CrashReport] UE4Editor-SlateCore!SWidget::RegisterActiveTimer(float,TBaseDelegate<EActiveTimerReturnType,double,float>) [SWidget.cpp:1172]
    Fixed! UE-78934 Regenerating an asset with Lock Mesh Edges enabled doesn't prevent asset from containing holes
    Fixed! UE-78526 Bone namespaces aren't properly handled by FillRecursivelySkeletonCompareData
    Fixed! UE-80608 Crash when writing a primitive to runtime virtual texture with a forced LOD
    Fixed! UE-80317 [CrashReporter] UE4Editor-PropertyEditor!FPropertyNode::GetDiffersFromDefaultForObject(FPropertyItemValueDataTrackerSlate &,UProperty *) [PropertyNode.cpp:1634]
    Fixed! UE-78533 Adding, duplicating, and deleting array elements in landscape material nodes causes crash
    Fixed! UE-80641 Crash when using invariant FText instances due to bug in FText::IdenticalTo
    Fixed! UE-80056 Screen message in viewport is corrupted when using Korean as editor language.
    Fixed! UE-80340 [CrashReporter] UE4Editor-UnrealEd!UMaterialEditorInstanceConstant::PostEditUndo() [PreviewMaterial.cpp:1568]
    Fixed! UE-81419 [CrashReport] UE4Editor-UnrealEd!FConvertStaticMeshActorInfo::PropsDiffer(wchar_t const*, UObject*) [EditorEngine.cpp:3396]
    Fixed! UE-80939 Exploded mesh generated from LOD reduction with Static Mesh
    Fixed! UE-80600 Crash reducing a SkeletalMesh with alternate Skin Weights - Assertion failed: ReaderPos + Num <= ReaderSize [File:Engine\Source\Runtime\Core\Public\Serialization/BufferReader.h] [Line: 53]
    Fixed! UE-80450 Disaster Recovery do not rotate/trim the old recovery sessions as expected
    Fixed! UE-77268 Rearranging Slate Brushes causes crash
    Fixed! UE-79632 VirtualCamera displaying incorrectly on device
    Fixed! UE-79690 EasyBlend needs some fixes (e.g. Dome setup).
    Fixed! UE-79783 LiveLink recorded tracks can be shortened wrongly
    Fixed! UE-79992 nDisplayLauncher doesn't handle spaces in paths properly
    Fixed! UE-79991 nDisplay - Fix for custom post-process (including output remap)
    Fixed! UE-79529 PropertyNode crash when the index is not valid
    Fixed! UE-78548 LiveLink - UE Subject Name list is not cleared off when Maya is shut down
    Fixed! UE-80275 AutomationScripts/HoloLens/WindowsDevicePortalWrapper.xml is included 4.23 release
    Fixed! UE-80257 Oculus plugin requires alpha enabled in ToneMapper
    Fixed! UE-80727 FGraphicsMinimalPipelineStateInitializer leaking due to invalid copy constructor (when Mobile Multiview used)
    Fixed! UE-79894 Black screen when OpenXR is enabled, but VR is disabled
    Fixed! UE-79855 Fix snapshots not getting saved on the VR Scouting Viewfinder tool
    Fixed! UE-79885 HL2 CL integrations
    Fixed! UE-81694 HoloLens 1 - Remoting crash with when entering input
    Fixed! UE-81524 SunTemple is too bright on the Oculus OpenXR runtime
    Fixed! UE-81083 Hololens2 remoting meshing only works on first vr preview from editor.
    Fixed! UE-79491 Using the MicrosoftSpatialSound Plugin as the Spatialization Plugin for Windows on an 1809 Build of Windows Crashes the Editor
    Fixed! UE-79183 Holographic Frames presented out of sequence when running BP_ComposurePostMoveCroppingMatrixTest_00 tests in ComposurePostMoves map in EngineTest project
    Fixed! UE-79137 HoloLens - No engine audio plays in emulator
    Fixed! UE-79009 HoloLens - Editor crash if Connect & Disconnect are pressed are pressed in quick succession
    Fixed! UE-79008 HoloLens - Ensure when remoting connecting then entering first VR Pie session
    Fixed! UE-81161 Add support for hidden area mask extension
    Fixed! UE-81265 MagicLeap VR Preview Crash
    Last edited by VictorLerp; 10-23-2019, 03:47 PM.
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