Crash when Opening the Class Defaults or Class Settings Tab within an Actor Blueprint

UE - Gameplay - Blueprint - May 19, 2015

A crash occurs when attempting to open the 'Class Defaults' or 'Class Settings' tab of an Actor Blueprint. If the 'Details' tab is already open and you close it and attempt to reopen the options, th ...

Crash duplicating or deleting any component inside of Actor BP if lights or triggers are present

UE - Gameplay - Blueprint Editor - Apr 25, 2017

When duplicating or deleting a component whilst a point light is also a component within an Actor BP, the editor crashes. See callstack for info. This is a regression. Working: 4.15.2 Broken: 4.16 ...

Hot Reload crash with Scene Component tied to Actor class

UE - Foundation - Core - Feb 19, 2015

After creating a Scene Component code class and an Actor code class, creating a reference to the SceneComponent in the Actor class constructor will cause a crash on hot reload in the editor. ...

Plane Constraint Normal is not Properly Reset

UE - Simulation - Physics - Jan 26, 2016

In the Character Movement Component, setting the Plane Constraint Normal to a value other than default, and then attempting to change the value back to the default does not revert to the default val ...

Crossfade sharing doesn't allow more than one shared transition

OLD - Anim - Apr 29, 2016

Looking at the propagate function:void UAnimStateTransitionNode::PropagateCrossfadeSettings() { UEdGraph* CurrentGraph = GetGraph(); for (int32 idx = 0; idx < CurrentGraph->Nodes.Num(); idx++) ...

Hitching when scrubbing values inside of color picker in binary builds

Tools - Jul 5, 2016

Large hitching is occurring when click dragging inside the color wheel of the color picker or scrubbing RGB, HSV, and Value/Saturation sliders. I am only able to repro this issue in Binary builds. ...

Changing blendspace on a blendspace player node resets the play time

OLD - Anim - Jan 11, 2017

Open QAGame and duplicate Player_RunBlend to Player_RunBlend2. Create an animation blueprint for M_Avg_Base_AnimSkeleton and set it up in the screen shot below. ( "New Var 0" and "New Var 1" contai ...

Iterative cook does not cook only changed content in Binary UnrealFrontend

UE - Foundation - Core - Cooker - Feb 7, 2017

This is not a regression as it occurs in 4.14.3. Also this did not occur in a source build of UFE from Github. Excerpt from the logs:UE4Editor-Cmd: [2017.02.07-18.58.10:328][ 0]LogCook:Display: ...

Widget components set as IsVariable have non-functional settings/variables

UE - Editor - UI Systems - Feb 12, 2018

There is an issue occurring where Widget components set as IsVariable have non-functional settings/variables. This issue occurs with multiple widget components. This does not appear to be a regressi ...

Certain materials are overly bright with Ray Traced Global Illumination denoiser

UE - Graphics Features - Lumen - Mar 14, 2019

Ray Traced Global Illumination is causing some materials to glow extremely bright Disabling r.raytracing.globalillumination.denoiser fixes the issue In 4.22 preview 5 binary (5365847) the result i ...