Hot reload causes placed actor to lose variable references

UE - Foundation - Cpp Tools - Hot Reload - Nov 9, 2017

Preforming a hot reload causes placed actors to lose code based variable settings. More repro steps: 1. Open UE4Editor.exe 2. Create a First Person Code project 3. Build the project for Developme ...

[Configuration] Exported Presentations do not adhere to "Visible Configuration" settings and display all Configurations

TM - Tools - May 19, 2026

Reported in SF [Link Removed] Exported Presentations do not respect the "Visible Configuration" settings set for the Presentations and instead display all Configurations regardless of whether they ...

[CrashReport] UE4Editor-SlateCore.dylib!SWidget::FindChildGeometry(FGeometry const&, TSharedRef<SWidget,()

UE - Editor - UI Systems - Slate - Jul 20, 2017

This is a common crash affecting Mac users in 4.16, and going back at least to 4.11. This seems to be a continuation of [Link Removed], which was closed as cannot repro. User Descriptionswas looki ...

[CrashReport] UE4Editor_Core!rml::internal::LocalLOCImpl<8,32>::get()

UE - Foundation - Core - Apr 25, 2018

User comments in crash group:this map crashes on loadok so it seems opening any map from Modular Stadium Kit causes crash right after shaders compiling is done! im using it with another market place ...

FBX: Camera imports to Matinee with skewed position and rotation

UE - Editor - Content Pipeline - Import and Export - Aug 27, 2013

Branch Build Label Changelist UE4-Main UE4_[2013-08-27_14.24] 1799942 DESCRIPTION: When importing an animated camera from Maya into Matinee, the placement of the camera is changed (shifted 90 ...

[CrashReport] Crash occurring in Phonon::FPhononReverb::ProcessMixedAudio

UE - Audio - Apr 27, 2017

This is an early trending crash coming out of the 4.16 Preview. Users have not provided any additional information. From Log:/Game/VirtualRealityBP/Maps/UEDPIE_0_StartupMap.StartupMap (0.006787s) ...

[CrashReport] UE4Editor_UnrealEd!FEdGraphUtilities::PostProcessPastedNodes() [edgraphutilities.cpp:138]

UE - Gameplay - Blueprint - Jan 24, 2017

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...

Custom Event with array param does not take a pointer to the array

UE - Gameplay - Blueprint - Oct 12, 2016

When an array is passed into a BP custom event, the array's data is passed to the event rather than a pointer to the array itself. This means edits made directly from the event node's input pin (su ...

[CrashReport] Assertion failure in UE4Game!FMetalComputeShader::FMetalComputeShader()

UE - Graphics Features - Jun 29, 2017

This is a common Mac crash in 4.16. Users have not provided descriptions, so additional information is not currently available. Callstack from LogLogMetal:Display: No .metalmap file found for SF_M ...

Null FPhysicsActorHandle dereference in FBodyInstance::InitDynamicProperties_AssumesLocked when CreateShapes_AssumesLocked fails during async body init

UE - Runtime - Simulation - Aug 2, 2026

Summary When CreateShapes_AssumesLocked fails during async body creation, the failed FBodyInstance is left in Bodies[] with a released actor handle. InitDynamicProperties_AssumesLocked is then called ...