Unreal Engine Issues
Unreal Engine Issues
Shader compiler errors when using enclosed local variables in a material while ray tracing is enabled
UE - Rendering Architecture - RHI - Jan 23, 2020A licensee is seeing an issue with a couple of post process materials after enabling ray tracing. While the materials presenting the issue fail to compile for different reasons, they both refernce t ...
[CrashReport] UE4Editor-MetalRHI.dylib!FMetalRHICommandContext::RHIEndDrawIndexedPrimitiveUP()
UE - Graphics Features - Nov 2, 2017This is a trending Mac/Metal crash in the 4.18 release, although although it has existed with low frequency since at least the 4.16 release. Users have not provided any descriptions of their actions ...
Crash when an empty Anim Composite is attached to a Mesh component of a BP actor in a Level Sequence
UE - Anim - Sequencer - Sep 27, 2024There is a crash that will occur when an empty Anim composite asset is being referenced in the Mesh component attached to a BP actor within a level sequence. Crash also occurs in Live 5.4.4 - not a ...
[CrashReport] Crash CheckForWorldGCLeaks() - EditorDestroyWorld()
UE - AI - Sep 8, 2017This is a somewhat common but longstanding Mac crash that has affected users since at least 4.13. Recently in 4.17.1, the crashes are all occurring in various ARKit projects User DescriptionsI add ...
[CrashReport] UE4Editor-ApplicationCore.dylib!invocation function for block in FMacApplication::DeferEvent()
UE - Platform - Apple - Dec 1, 2017This is an infrequent Mac crash in 4.18.1. Users have not provided any descriptions. Callstack from Log2017.11.27-02.08.07:839][947]LogMaterial: Missing cached shader map for material FLightmassMat ...
Editor crashes while sculpting landscape heavily covered in foliage
UE - LD & Modeling - Terrain - Landscape - Mar 30, 2016Sculpting a landscape densely covered in foliage crashes editor after freezing. Frequency: 2/2 crashreporter: N/A Additional CrashReporter - [Link Removed] ...
Deadlock when running an asset validator commandlet with async skeletalmesh build
UE - Editor - Content Pipeline - Asset Build - Mar 10, 2023[External Code] UnrealEditor-Core.dll!FEventWin::Wait(unsigned int WaitTime, const bool bIgnoreThreadIdleStats) Line 1515 C++ UnrealEditor-Engine.dll!FAsyncTaskBase::WaitCompletionWithTimeout( ...
ToggleDebugCamera Console Command doesn't disable an enabled DebugCamera
UE - Gameplay - Aug 5, 2019The "DisableDebugCamera" node and the "ExecuteConsoleCommand" node with "ToggleDebugCamera" in the Command field do not disable an enabled Debug Camera. Found in 4.22.3 CL#7053642 Reproduced in 4.2 ...
Property won't be force synced when re-enabling replication.
UE - Networking - Mar 21, 2017It seems like if replication is re-enabled for a given property, its state should be force synced (depending on replication conditions). Otherwise, the state will remain "out of sync" for an indeter ...
Crash when placing a native UserWidget in a panel within another UserWidget
UE - Editor - UI Systems - Oct 7, 2019The engine crashes when trying to initialize a native UserWidget within another widget. This happens because UUserWidget::GetSlotNames gets called before the widget tree is initialized, and we don't ...