5.4.3 Hotfix Released

The 5.4.3 Hotfix is now available with some fixes for Unreal Engine.

Please feel free to share feedback and discuss the current version in the release topic—Unreal Engine 5.4 Released.

If you experience a bug with the 5.4.3 Hotfix, please follow the How to Report a Bug guide to report it on the Bug Submission Form .

Issue Summary
UE-214640 XR - ISR - Moveable objects shadows such as the cube and gun appear in incorrect locations in VRPie and Windows Packages
UE-214649 [CrashReport][Assert] UnrealEditor-RenderCore!FShaderDiagnosticRemapper::GetRemapData(int) [Engine/Source/Runtime/RenderCore/Private/ShaderPreprocessTypes.cpp:133]
UE-214486 [CrashReport] UnrealEditor-Engine!FWorldPartitionReferenceImpl::DecRefCount(FWorldPartitionActorDescInstance *) [Engine/Source/Runtime/Engine/Private/WorldPartition/WorldPartitionHandle.cpp:290]
UE-213979 [CrashReport] UnrealEditor-AssetRegistry!FPathTree::RemovePath(FName,TFunctionRef) [PathTree.cpp:96]
UE-213989 [Mac] Assorted GPU crashes
UE-212778 Wires to PCG nodes with translated properties are cut
UE-211803 Uncontrolled CL : default uncontrolled cl does not appear
UE-214509 MPCook: Log messages from cookworkers are not sent to stdout and are not recorded in the list of errors and warnings at the end of the cook
UE-214541 Migrating Open World level to another project results in World Partition crash.
UE-214822 [PCG] PCG Volume not working when brush set to no collision
UE-214396 [PCG] Can’t derive from UPCGLevelToAssetExporter in BP
UE-212448 Windows are all under a log section in asset editors
UE-216735 LoadingScreen by MoviePlayer doesn’t support Material in UE5.4
UE-216306 Android Vulkan debug markers broken in development builds
UE-216233 Switch and Multi-Select nodes with Enums are breaking connections when language changes
UE-216274 [PCG] PCGActorHelper delete actor issues
UE-216234 [PCG] Incorrect warning on ‘Get Spline Data’ node when creating PCGLandscapeSplineData
UE-215119 Incorrect landscape bounds computation can lead to severe performance issues / flicker
UE-215048 Crash when locate_bound_objects is called
UE-215113 Fatal Error Encountered when Packaging Mac for Distribution
UE-215591 RayTracingGeometry.UpdateRHI(); crashes at checkf BuildParams.IsEmpty()
UE-215479 Failure to compile Material /Composure/Materials/Output/M_SrgbToLinear.M_SrgbToLinear in UE 5.4.x
UE-215210 Crash when opening a sequence in Take Recorder
UE-215014 Cached camera component on LevelSequencePlayer is null
UE-213640 Datasmith exporter 5.4 can crash Archicad 26 and 27
UE-214236 [PCG] Fix issues with caching in partitions with the spline and volume sampler (5.4)
UE-199677 Datasmith Export error Archicad 27
UE-215085 RigVM: ignore block from block combination hash
UE-214907 Crash when lowering the number of LODs
UE-215411 Delete Graph crashes the Engine
UE-216749 Crash when using vertex painting
UE-215525 GitHub 11914 : [MultiPlayerTesting][VRPreview]: All windows should have border
UE-218037 Crash with Open In Take Recorder 5.4.3
UE-215359 The limits on rotators are being applied correctly
UE-214884 Assertion failed: InDecoder != nullptr [File:D:\build++UE5\Sync\Engine\Source\Runtime\AudioMixer\Private\AudioMixerSourceBuffer.cpp]
UE-217483 5.4.3: Bump the version number for DS exporters and UE standalone installer
UE-215556 XR -ARKit - Tracked Planes are not attached to the real world objects when moving the camera around
UE-217572 Crash on SActorPaletteViewportToolbar::GenerateShowMenu
UE-212373 Dynamic Possession doesn’t seem to work in UE 5.4 in UMG
UE-215198 Fixes crash in intel arc GPU with vulkan
UE-215865 Disable Metal Heaps
UE-214612 Groom not rendering with binding asset error
UE-211801 [Crash Report] UnrealEditor-Renderer!TShaderRefBase<FHWRasterizeMS,FShaderMapPointerTable>::GetMeshShader() [Shader.h:1091]
UE-214827 PackedLevelActors are not updated when changing some properties
UE-215092 MemoryWriter.h File causes build errors
UE-218296 Fixing dedicated server crash on startup related to setting - gc.UseDisregardForGCOnDedicatedServers
UE-216063 Visual Studio .uproject support does not quote build commands when generated by UBT
UE-215131 UE freezes indefinitely when trying to flatten a Landscape on a Silicon Mac
UE-216285 High Perf Cost for Sky/Cloud/Fog with Alpha Enabled but Holdout Disabled
UE-216043 Add new 2024 iPad devices to the BaseDeviceProfiles ini
UE-215554 With AFS plugin enabled the application does not start during the Quick Launch process on Android 8 device
UE-218196 [PCG] Runtime generation on game server can crash
UE-216557 RigVM: Reentry evaluation causes compiler failure
UE-218265 PCG Runtime Cleanup in Standalone Game
UE-216692 Editor crash when r.Shaders.Optimize=0
UE-210825 Content Examples - Crash when opening Niagara_Fluids level
UE-215114 Rendering artifacts on skeletal meshes while r.SkinCache.RecomputeTangentsParallelDispatch is enabled
UE-214928 DMX - Crash when adding certain MVR files a 2nd time to the project
UE-215833 DMX - GDTFs imported via MVR don’t show in the content browser
UE-215283 Get ExtractRootTransformFromAnimationAsset() into 5.4.x release
UE-214740 Can’t change the Wildcard Value of a Set Animation Attribute node to a Float from dropdown menu
UE-214990 [Gauntlet] TargetDeviceAndroid.IsActivityRunning() is searching for ‘mResumedActivity’ when determining if the app is running in the foreground
UE-216620 The user experienced a crash opening a project using Nanite
UE-209584 Quick Launch of BluePrint projects fails on Mac
UE-218069 Textures With Missing Mips Not Rebuilding Correctly In Editor
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