Preview of Material doesn't Work Well When Using Particle SubUV and World Position Offset

Rendering - Niagara - Aug 8, 2017

Preview of material doesn't work well when using Particle SubUV and World Position Offset. The issue occurs in only preview of material. It doesn't occur in Cascade. ...

[CrashReport] UE4Editor_Engine!FShaderCompilingManager::LaunchWorker() [shadercompiler.cpp:1573]

Rendering - Aug 21, 2017

This is a common and longstanding crash that has occurred since at least 4.9. The issue appears to be due to missing ShaderCompileWorker.exe in binaries, but many of these crashes occur in the vani ...

UStaticMeshComponent.PreviousLODLevel always returns 0

Rendering - Aug 30, 2017

The UStaticMeshComponent.PreviousLODLevel variable always returns 0 no matter what the last LOD actually was. Regression?: No This also occurred in 4.16 ...

Execution Doesn't Resume When Hitting BT Task Breakpoint and Trying to Resume in the Behavior Tree

Gameplay - AI - Oct 6, 2017

When a breakpoint is hit in a BT Task Blueprint, execution will not be resumed if you attempt to do so from the Behavior Tree that is running the BT Task. This will cause a crash if executed in the ...

[CrashReport] ULevel::GetWorldSettings - UMaterialFunctionThumbnailRenderer::Draw

Tools - Oct 30, 2017

This is a common crash that has occurred since at least 4.16. The callstack is nearly identical to UE-48997, which appears to be fixed in 4.18; and UE-51783, which has not. The difference is that t ...

[CrashReport] UBlueprintGeneratedClass::AddReferencedObjectsInUbergraphFrame()

Gameplay - Blueprint - Nov 2, 2017

This is a common engine crash that has occurred since at least 4.16. Users have not provided any useful descriptions of their actions when the crash occurred. The callstack shares some similaritie ...

DOF effect set with negative near transition region causes Massive FPS loss moving into Focal Region

Rendering - Feb 11, 2016

With a Bokeh DOF setup that essentially places the Near Transition Region into a Negative Space (or non-existence) the FPS drops dramatically from out of focus region to in focus region. In Focal R ...

Temp content folder appears after creating a new level

Tools - Content Browser - Jun 10, 2015

After creating a new level from the levels tab, the temp folder shows back up in the content browser, when it shouldn't. ...

Implementing an interface in a blueprint does not show interface functions until interface is opened and compiled

Gameplay - Blueprint - Aug 3, 2015

If an interface is implemented within a blueprint, the initial function in the blueprint interface cannot be called in the actor. The function will be populated after compiling the blueprint interfa ...

Tessellation Flicker When Viewed from a Distance

Rendering - Sep 26, 2016

Tessellated objects when viewed from afar flicker. When spawned into QA-Materials the player is the perfect distance away from the tessellated object for the cube to flicker. Found in both Binary 4 ...