UE5.4 Regression - crash when disabling shader optimization while raytracing is enabled on D3D12

UE - Rendering Architecture - Shaders - Jul 15, 2024

Certain interactions between a Rect Light with a Light Function and a Post-Process volume lead to a check() when compiling a Ray Tracing PSO for tracing lights. This check() only happens when shader ...

Shader Symbols not Generated for Windows Platform when r.Shaders.Symbols=1

UE - Rendering Architecture - Shaders - Feb 28, 2025

Shader symbols are not generated for the Windows platform. Attempts were made to set the r.Shaders.Symbols=1 value in the projects DefaultEngine.ini, the engines ConsoleVariables.ini and the engine ...

Setting the brush type of a custom volume BP causes the editor to crash

Tools - Nov 17, 2014

Setting the brush shape of the root component for a custom volume BP causes the editor to immediately crash. ...

LIVE: A Local Variable cannot have its type changed if another local variable with the same name in a different function is in use

UE - Gameplay - Blueprint - Nov 6, 2014

Two local variables with the same name in two different functions still interact with each other in some way. This was reported in TTP 346132 and fixed in that case, but currently if a local variabl ...

Capsule overlap area different/inaccurate after simulating physics

UE - Simulation - Physics - Nov 12, 2015

A licensee found a problem with a capsule component used in a blueprint. A player intersecting the spherical ends of the capsule will cause it to fire overlap events. However, after simulating physi ...

Undo when modifying a single channel causes Entire Actor track to be selected

UE - Anim - Sequencer - Jul 6, 2016

Undo when modifying a single channel causes Entire Actor track to be selected. This is problematic when you're trying to modify just the X, Y, or Z channel in the Graph Editor. ...

Destroying a Component doesn't trigger the OnComponentEndOverlap node

UE - Gameplay - Sep 1, 2015

Destroying a Component doesn't trigger the OnComponentEndOverlap node User Description: OK, so I have an actor with only one component: BoxCollision, with default settings. I place it on map. In m ...

Set Relative Location on components does not replicate to clients

UE - Networking - Sep 2, 2015

Set Relative Location on components does not replicate to clients. Reproduced in 4.8.3 binary, 4.9.0 binary, and Main (CL 2676715) ...

Attaching capsule to Root component triggers VS Break on PIE

UE - Foundation - Core - Feb 13, 2015

When a capsule is attached to an actor Root Component followed by playing in editor through VS debug mode there is a breakpoint triggered in VS upon pressing PIE. Continuing through the break allow ...

IsOverlappingActor is always returning false

UE - Gameplay - Sep 23, 2015

When you use the IsOverlappingActor node to determine whether or not something is overlapping another actor, it returns false regardless of whether or not you're actually overlapping another actor. ...