Draw debug depth priority oddities

UE - Graphics Features - Feb 18, 2020

Came across a few oddities with draw debug. DrawDebugSolidBox ignores the DepthPriority parameter and appears to always draw in World. In the screenshot the sphere is drawn on top of the mesh, the ...

GAMEPLAYATTRIBUTE_REPNOTIFY does not properly propagate OldValue

UE - Gameplay - Dec 10, 2021

Associated UDN [Link Removed] We've been having some issues with the replication of attributes. Namely we have an OnRep_ function for an attribute that receives FGameplayAttributeData& OldValue a ...

TBaseBlendedCurve::ConvertToAdditive adds a curve track to an additive when the curve only exists in the base pose

UE - Anim - Runtime - May 29, 2023

When we create curves on additive animations, we are creating a curve based on whether the curve exists in either the base or additive pose.  This wouldn't be the expected behaviour for a user when ...

Custom node not working with material attributes

UE - Rendering Architecture - Materials - Jul 15, 2024

Using Material Attributes as an input to a Custom Expression causes the HLSL Translator to create multiple CustomExpression# functions, for each used member of the Material Attributes, rather than u ...

Property won't be force synced when re-enabling replication.

UE - Networking - Mar 21, 2017

It 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 ...

The Add node does not update in the Construction Script

UE - Gameplay - Blueprint - Feb 28, 2015

The Add node does not update in the Construction Script. Reproduced in 4.7.1 binary and Main (//depot/UE4/Promotable-CL-2455917) ...

Illegal Else Without Matching If

UE - Simulation - Physics - Feb 3, 2017

Looks like there's a missing if/else pair in BodyInstance.cpp ...

[CrashReport] Crash while snapping multiple actors at once

Tools - Aug 29, 2017

Crash occurs when selecting all actors and pressing "End" to snap them to the floor. This doesn't occur if you create a blank map and add a few actors to it. The specific conditions may need to be ...

Particle record in the Matinee leads to crash when playing after record.

Tools - Oct 19, 2017

Particle record feature in the matinee seems not properly working in the Editor. When trying to play in the matinee with recorded keys, the Engine will crash with Access violation - code c0000005. ...

[CrashReport] UE4Editor_Engine!USceneComponent::DestroyComponent() [scenecomponent.cpp:847]

UE - Gameplay - Components - Dec 1, 2017

[Edit]: This should no longer be a crash as of 4.19.2 - we should only get ensure() reports with this callstack. ===== This is a common crash coming out of 4.18. Users have not provided any descript ...