Input breaks after spawning character from template

UE - Gameplay - Input - Jun 14, 2017

When a character is spawned from a template of an existing character instance, the existing instance loses the ability to read any input. This was discovered when testing the crash fix for [Link Re ...

[CrashReport] UE4Editor_OutputLog!SConsoleInputBox::OnKeyCharHandler() [soutputlog.cpp:710]

Tools - Jan 19, 2018

Comments from user:crashes when trying to type "dynamic" into the console tab I attempted the users repro in 4.19 Binary @ 3843120 and was unable to come up with a repro. ...

GPUFree is called on allocations not made with GPUMalloc

UE - Platform - Console - Aug 30, 2016

GPUFree is sometimes called on allocations not made with GPUMalloc. Later this will cause GPURealloc to be called with invalid values and cause a crash. This can occur with vertex buffers. ...

[CrashReport] UE4Editor_Kismet!SBlueprintPaletteItem::OnNameTextCommitted() [sblueprintpalette.cpp:1319]

UE - Gameplay - Blueprint - Sep 28, 2017

This is a trending crash after the 4.17.2 hotfix, although it has existed since the 4.16.1 hotfix. User Descriptionswas creating a new graph in a blueprint ...

Packaging fails with Event Driven loader enabled and two function libraries reference each other

UE - Foundation - Core - Mar 29, 2017

Packaging fails with Event Driven loader enabled and two function libraries reference each other even though the functions referenced in each library to NOT call each other in such a way as to creat ...

RemoveWindSource modifies game thread array while in a parallel for loop.

UE - Simulation - Physics - Apr 16, 2021

FScene::RemoveWindSource is called from a parallel for loop, and concurrently deletes wind component pointers from the same game thread array causing crashes when the scene contains multiple wind so ...

FAnimNode_TransitionPoseEvaluator uses FStackAttributeContainer to cache data over multiple frames

UE - Anim - Runtime - Sep 15, 2021

FAnimNode_TransitionPoseEvaluator can cache a pose over multiple frames using FStackAttributeContainer rather than the heap equivalent. This will likely crash at some point if any user uses the cac ...

Using a Sequencer event track to set playback position to a time before the event will cause an infinite loop

UE - Anim - Sequencer - Nov 10, 2017

Creating a Sequence with an event track that calls SetPlaybackPosition to a time prior to the event key will cause a crash 100% of the time. This will occur even if the event is set up to only fire ...

ISM Component in an instanced BP does not take into account changes to NumCustomDataFloats from the BP class

UE - Graphics Features - Sep 16, 2022

PerInstanceSMCustomData is bulk serialized and doesn't get changed on the BP instance when changing NumCustomDataFloats, possibly causing out of bounds array access leading to a crash. Possible sol ...

Using nativized functions on buttons to spawn meshes causes assertion failure

UE - Gameplay - Blueprint - Oct 25, 2016

An assertion failure is thrown when using nativized functions on an Android device. ...