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Unreal Engine 4.22.1 Released

<div>Epic Games have released a hotfix version of Unreal Engine, the first since the release of Unreal 4.22.  This version is composed entirely of bug fixes.  For details of the new features that were added in the 4.22 release, be sure to check our <a href="https://www.gamefromscratch.com/post/2019/04/02/Unreal-Engine-422-Released.aspx">earlier post</a> or video <a href="https://youtu.be/-Hf13LKO3QI">here</a>.
The complete list of fixes taken from the <a href="https://forums.unrealengine.com/unreal-engine/announcements-and-releases/1612034-4-22-1-hotfix-released?utm_campaign=Oktopost-UE%20-%204.22&utm_content=Oktopost-twitter&utm_medium=social&utm_source=twitter">Unreal Engine forums</a>:
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Fixed! UE-66389 [CrashReport] UE4Editor_CoreUObject!CastLogError() [casts.cpp:11] Fixed! UE-72732 [CrashReport] UE4Editor-Engine!USkeletalMesh::GetMappableNodeData(TArray<FName,FDefaultAllocator> &,TArray<FNodeItem,FDefaultAllocator> &) [SkeletalMesh.cpp:3104] Fixed! UE-72731 [CrashReport] UE4Editor-Engine!UAnimSequence::BakeOutVirtualBoneTracks() [AnimSequence.cpp:2866] Fixed! UE-72757 Audio: LibSoundFile is not included in binary Fixed! UE-72698 Editor crashes when entering and exiting PIE multiple times Fixed! UE-71864 Crash when loading statistics into Session Frontend Profiler. Fixed! UE-72236 Pkginfo commandlet is crashing when running with -properties parameter or when specifying a file that doesn’t exist or can’t be loaded Fixed! UE-72230 Cannot create a C++ project with Visual Studio 2019 in a source build – Failed to open selected source code accessor ‘Visual Studio’ Fixed! UE-72524 Live Coding console appears when invoking RunUAT from command line Fixed! UE-72324 Live coding fails on machine with only Visual Studio Express installed Fixed! UE-73027 Cannot interact with the scrollbar at the bottom of the Live Coding Console window Fixed! UE-72487 UE4Editor modules file is not written to properly when packaging a plugin Fixed! UE-72305 Prefer non-express versions of Visual Studio Fixed! UE-72765 Errors making installed engine build using remote Mac Fixed! UE-73075 UE4 source in binary build has lots of Intellisense squiggles Fixed! UE-71031 UnrealHeaderTool is always executed if the UBT makefile is invalidated Fixed! UE-72711 Navmesh tiles fail to generate Fixed! UE-72559 Timelines in ActorBPs no longer function when packaged with Nativization Fixed! UE-72424 [CrashReport] UE4Editor-BlueprintGraph!FBlueprintActionDatabase::Tick(float) [BlueprintActionDatabase.cpp:1165] Fixed! UE-72110 Crash using Find Actor in Level Blueprint action while in PIE Fixed! UE-72047 Move recent BP component optimization ensure() fix into 4.22.1 hotfix Fixed! UE-72727 [CrashReport] UE4Editor-Kismet!DispatchCheckVerify<void,<lambda_c743deafb79ebecab857062cedb0f2a7> >(<lambda_c743deafb79ebecab857062cedb0f2a7> &&) [AssertionMacros.h:162] Fixed! UE-73194 Struct does not appear to save changes after compiling and saving it resets to null Fixed! UE-72316 Crash when duplicating multiple components at once Fixed! UE-72252 [CrashReport] UE4Editor-Engine!ParallelForWithPreWork(int,TFunctionRef<void >,TFunctionRef<void >,bool) [ParallelFor.h:221] Fixed! UE-72235 Crash recompiling blueprints with subobjects that are also blueprints Fixed! UE-47471 Components tree is ending up with duplicate entries (same pointer added to the list view more than once), causing an assert Fixed! UE-72357 Crash hovering mouse over text variable on blueprint breakpoint Fixed! UE-73108 [CrashReport] UE4Editor-Kismet!SSCSEditor::AddNewComponent(UClass *,UObject *,bool,bool) [SSCSEditor.cpp:5121] Fixed! UE-72605 Component names do not increment correctly when duplicating a component whose name ends with a number Fixed! UE-72604 Duplicating a component can result in a broke component that generates a compile error Fixed! UE-72366 Render on Media Output creates an assertions: Assertion failed: IsValid() [File:d:\perforce\release-4.22\engine\source\runtime\core\public\Templates/SharedPointer.h] Fixed! UE-72334 AJA IO 4k plus card displays QUAD link 5-8 available as media output while this card does not support it Fixed! UE-73037 Loading screen widgets no longer display if no movies are present Fixed! UE-72816 BlackMagic Media Output crashes on Capture Media: UE4Editor_MediaIOCore!UMediaCapture::CacheOutputOptions() [d:\perforce\release-4.22\engine\plugins\media\mediaioframework\source\mediaiocore\private\mediacapture.cpp:264] Fixed! UE-72984 Crash due to LAN beacon packet incompatibility in 4.22 Fixed! UE-71586 Unable to compile code projects from installed build on Linux Fixed! UE-71873 Launch on Linux to HTML5 fails due to undefined symbol: tzname Fixed! UE-71735 Crash Files aren’t being generated from debug crash with a Linux Cooked Server Fixed! UE-71188 [ShooterGame] LogFileManager warning seen when launching packaged game Fixed! UE-72278 FOCUS OUT Events Cause Hitch in the Editor Fixed! UE-72949 Crash in FVulkanLinuxPlatform Fixed! UE-72416 ActionRPG crashes when packaged for Linux Fixed! UE-72446 Deployment server crashes in DeploymentServer.Program.ClientLoop Fixed! UE-71899 Error on tvOS app start: Error excluding PersistentDownloadDir from backup Fixed! UE-71919 tvOS banner and App thumbnail do not appear on device; errors during app upload to Apple Fixed! UE-71886 FireFox Quantum 67.0b3 fails to launch on correctly Fixed! UE-71977 Crash when changing Preview Rendering Level in ARPG. Fixed! UE-72058 tvOS: Project Packaged with CloudKit Support Crashes on Launch Due to Malformed Value in the Entitlement Fixed! UE-66627 Full Screen Native Resolution not supported on new iPad Pro 11-inch and iPad Pro 12.9 inch (3rd generation) Fixed! UE-72638 iOS iCloud app fails to upload to App Store — entitlements that are not supported; value ‘*’ Fixed! UE-73067 iOS blueprint apps are named “UE4Game” regardless of project name when packaged from Mac Fixed! UE-73066 iOS app icons appear blank on device for C++ projects packaged from Mac Fixed! UE-73073 tvOS blueprint project names display incorrectly on device Fixed! UE-72410 [CrashReport] UE4Editor-MetalRHI!FMetalStateCache::SetRenderTargetsInfo(FRHISetRenderTargetsInfo const&, FMetalQueryBuffer*, bool) [MetalStateCache.cpp:485] Fixed! UE-72404 Translucent Elements of an Invisible StaticMesh are Visible If Hidden Shadow is Enabled Fixed! UE-71877 Crash on Mac while packaging TM-Decals with Forward Shading enabled Fixed! UE-71827 Mac and Linux RHI does not update in Editor information ProjectName panel Fixed! UE-71706 Textures created for Static Mesh LODs during level LOD generation are incorrect Fixed! UE-70628 Ensure: ReflectionCaptureBuffer.IsBound occurs when building texture streaming for the first time Fixed! UE-70591 Toggling the Shader Complexity viewmode requires missing viewmode shaders to be compiled Fixed! UE-70473 GitHub 5572 : C4800 raised by vs2019 preview3 Fixed! UE-72279 Paper2D Tilemap doesn’t render tiles correctly when more than one layer is added. Fixed! UE-72184 Ensure when enabling Simple Collision and Material Highlight in the static mesh editor Fixed! UE-72174 Sliced procedural mesh causes blocky unexpected shadows Fixed! UE-72123 Assertion failed: !BatchElement.IndexBuffer || (BatchElement.IndexBuffer && BatchElement.IndexBuffer->IsInitialized() && BatchElement.IndexBuffer->IndexBufferRHI) Fixed! UE-72116 Assertion failed: !Elements[ElementIndex].PrimitiveUniformBuffer in GeometryCollectionSceneProxy Fixed! UE-72052 Editor Crashes after enabling TemporalAA Upsampling with lower Screen Percentages – Referencing PostProcessTemporalAA.cpp Line: 799 Fixed! UE-72050 Shaders Appear to have Less Complexity Fixed! UE-72893 Creating a VolumeTexture from an asset source not in RGBA8 crashes the engine Fixed! UE-72724 Move HLR race condition fix to 4.22.1 Fixed! UE-72723 [CrashReport] UE4Editor-MetalRHI!FMetalRHICommandContext::RHISetShaderUniformBuffer(FRHIVertexShader*, unsigned int, FRHIUniformBuffer*) [MetalCommands.cpp:524] Fixed! UE-72679 Shadows are Heavily Aliased with PCSS Enabled Fixed! UE-72650 Editor crashes when connecting Eye Adaptation to Base Color Fixed! UE-67825 TM-ShaderModels -game running about 20 FPS Fixed! UE-70514 [CrashReport] UE4Editor-D3D11RHI!VerifyD3D11Result(long,char const *,char const *,unsigned int,ID3D11Device *) [D3D11Util.cpp:249] – FD3D11DynamicRHI::RHICreateStructuredBuffer Fixed! UE-60339 [CrashReport] UE4Editor_D3D11RHI!FD3D11DynamicRHI::RHICreateUniformBuffer() [d3d11uniformbuffer.cpp:218] Fixed! UE-72440 Assert When Changing Scalability Levels Fixed! UE-73115 Denoisers are not reprojecting history correctly with dedicated velocity pass. Fixed! UE-72833 Assertion failed when attempting Android/HTML5 launch on of TM-ShaderModels referencing OpenGLUniformBuffer.cpp:746 Fixed! UE-71643 [CrashReporter] UE4Editor-Engine!FMaterialRenderProxy::EvaluateUniformExpressions(FUniformExpressionCache &,FMaterialRenderContext const &,FRHICommandList *) [MaterialShared.cpp:2039] Fixed! UE-73090 [CrashReport] UE4Editor-Renderer!FMaterialShader::VerifyExpressionAndShaderMaps(FMaterialRenderProxy const *,FMaterial const &,FUniformExpressionCache const *) [ShaderBaseClasses.cpp:165] Fixed! UE-71514 AMD Vega 64 – Editor crash running with -vulkan Fixed! UE-71361 EngineTest: Screenshot ‘LODCurveLinkingTest1’ test failed, Screnshots were different! Fixed! UE-73141 Assertion failed when attempting Lumin launch on TM-ShaderModels, referencing VulkanUniformBuffer.cpp Fixed! UE-72356 Changing particle system template via Blueprints crashes Editor and packaged game Fixed! UE-72431 Crash in Niagara SetExecutionState Fixed! UE-72970 Correct Niagara’s “collision” module’s metadata Fixed! UE-71662 [CrashReport] UE4Editor-D3D12RHI!FD3D12RayTracingDescriptorCache::GetDescriptorTableBaseIndex(D3D12_CPU_DESCRIPTOR_HANDLE const *,unsigned int,D3D12_DESCRIPTOR_HEAP_TYPE) [D3D12RayTracing.cpp:521] Fixed! UE-72133 Some alpha-masked materials are not rendered correctly in Path Tracing view mode Fixed! UE-72903 IES profiles are not working in Ray Tracing reflections nor translucency Fixed! UE-72837 StochasticRectLight does not respect Light “samples per pixel” control Fixed! UE-72720 Enable two sided geometry by default for ray tracing shadows Fixed! UE-72619 Computation on how many view descriptors to allocate for ray tracing resource descriptor heaps is not accurate enough. Fixed! UE-72620 Wrong composition between RT reflection and cubemap/sky when pre-exposition is enabled. Fixed! UE-72613 The Path tracer is using invalid ray flags Fixed! UE-72759 PrepareRayTracingShadows is missing some denoiser requirements Fixed! UE-72623 Added basic resource usage stats for ray tracing Fixed! UE-72621 Path tracing invalidation buffer issues Fixed! UE-72693 Path tracing pure specular brdf renders black Fixed! UE-71313 GitHub 5610 : Ansel photography: raytracing boosts for ‘high quality’ mode (4.22-ansel53) Fixed! UE-72521 Compile fixes when enabling VULKAN_ENABLE_DUMP_LAYER Fixed! UE-71894 Crash opening TM-ShaderModels with Intel’s RHI Thread changes: D3D device being lost. Fixed! UE-71262 Vulkan’s RHIPushEvent/PopEvent allocate heap memory even when the event is unused Fixed! UE-72118 [CrashReport] UE4Editor-D3D12RHI!D3D12RHI::FD3DGPUProfiler::UnregisterCommandList(GFSDK_Aftermath_ContextHandle__ *) [D3D12Stats.cpp:383] Fixed! UE-72983 stat GPU not working on D3D12 Fixed! UE-70143 [CrashReport] UE4Editor-Core!FDebug::CheckVerifyFailedImpl(char const *,char const *,int,wchar_t const *,…) [AssertionMacros.cpp:418] Fixed! UE-69956 Crash occurs while simulating blueprint after triggering a breakpoint and clicking Step Over Fixed! UE-71291 Assertion failed in DX12 RHI after instancing actors Fixed! UE-72471 Crash trying to play audio when no audio asset Fixed! UE-72428 Niagara: Losing focus when editor is open Fixed! UE-72362 GitHub 5681 : Fix command line sequence render Fixed! UE-72198 CLONE – Sequencer Batch Rendering cannot output multiple render passes in CLI Fixed! UE-72197 Infinite sections when upgrading past 4.19 can be non-infinite Fixed! UE-72097 Entering a text value in the Properties Context Menu closes the context window Fixed! UE-72862 Sequencer set_interpolation_mode erroneously outputs an error Fixed! UE-72675 Flattening a weighted tangent causes the tangent handle to go outside of playback range Fixed! UE-73000 Crash after Undo and garbage collection on sequencer track Fixed! UE-72417 [CrashReport] UE4Editor-Blutility!FBlutilityModule::OnMapChanged(UWorld *,EMapChangeType) [BlutilityModule.cpp:150] Fixed! UE-72240 Port Reduction fixes to 4.22.1 Fixed! UE-72239 Port HLOD fixes to 4.22.1 Fixed! UE-68121 Ensure deleting StarterContent folder while having StarterMap open Fixed! UE-67607 Crash when deleting map that is open in the level editor ([CrashReport] UE4Editor_Engine!AActor::IncrementalRegisterComponents() [actor.cpp:4173]) Fixed! UE-72863 [ActionRPG] Crash when Selecting Vulkan Targeted RHI for Windows Fixed! UE-73150 Crash while holding a window Tab during Auto Save Fixed! UE-72507 Crash occurs when adding an array element to Landscape Materials Override Fixed! UE-59256 Foliage: when applying a scale to either painted instance or spawned from a procedural volume the LOD do not take it into consideration Fixed! UE-72338 Literal text values on BP function return nodes aren’t gathered for localization Fixed! UE-72314 Unable to save Blueprint Function Library if it references a string table entry Fixed! UE-72205 Creating a new material instance and exposing lightmass settings causes crash Fixed! UE-72853 Sequential Level Loading in Python causes Crash Fixed! UE-71865 UMG Slider continues to move beyond the slider’s limits on short tracks Fixed! UE-72729 [CrashReport] UE4Editor-Engine!ULevel::IsCurrentLevel() [Level.cpp:2096] Fixed! UE-72183 Exeption or Freeze when disabling Audio Tracks while GPU Hardware Acceleration is activated Fixed! UE-72511 Cooked project assert crash on exit with Oculus splash screens Fixed! UE-71104 SteamVR Stereo layers are using incorrect orientation conversion Fixed! UE-71034 Stereo layer appears to move opposite the HMD when using Vive Fixed! UE-73022 Crash entering VR Preview while using a Stereo Layer – Assertion failed: XRCamera.IsValid() in SteamVRStereoLayers.cpp Fixed! UE-72717 FParallelMeshDrawCommandPass::DispatchPassSetup causes out-of-bounds read Fixed! UE-72648 Disable Oculus Audio on Android Fixed! UE-70061 Integrate new Open XR API plugin for 4.22.1 Fixed! UE-72026 steamVR: Crash exiting through steamVR overlay with stereo layers enabled Fixed! UE-73006 OpenXR ensure occurs when opening a project with OpenXR plugin enabled Fixed! UE-73011 Packaging fails with OpenXR plugin enabled Fixed! UE-71909 Missing receipt error packaging blueprint projects with ARCore plugin enabled Fixed! UE-72406 Audio Capture Timecode Provider asserts if no source device can be found. 
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