Selecting certain objects creates lag, motion blur, and a blurry floor of level

UE - Editor - Workflow Systems - Feb 26, 2016

If I select certain objects over by the robot and saint statues, it creates a very weird, blurry floor. That floor causes motion controller lag and motion blur from the rays. ...

[CrashReport] UE4Editor_Renderer!TStaticMeshDrawList<TBasePassDrawingPolicy<FUniformLightMapPolicy> >::GetUsedPrimitivesBasedOnMaterials() [staticmeshdrawlist.inl:868]

UE - Rendering - Feb 19, 2016

This Jira was entered due to a high number of occurrences in 4.11 Preview 5. Error message: Assertion failed: !Proxy->IsDeleted() [Link Removed] [Line: 867] Source Context: 853 { 854 ...

Switching levels via blueprints crashes editor

UE - Gameplay - Feb 18, 2016

Switching levels via blueprints crashes editor. This occurs using either "Execute Console Command" or the Open Level node. Frequency: 2/2 CrashReporter: N/A ...

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

UE - 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 ...

Unable to remove StaticMesh LODs in editor

Tools - Jan 18, 2016

Static Mesh LODs cannot be removed after import from the Static Mesh Editor unless you have Simplygon installed. Hovering over the tooltip for "Number of LODs" indicates this as well with "Auto mesh ...

UBT not terminated when cancelling build

UE - Foundation - Cpp Tools - UnrealBuildTool - Nov 1, 2015

When cancelling a build from Visual Studio, UBT keeps running, and another build is generally not possible until one kills the UBT process manually in Task Manager. ...

Base Pass Instruction Count increases on Compile and Save, then resets upon reopening Material

UE - Rendering - Aug 24, 2015

Material Base Pass Instruction Count will change from a value established when plugging in components pre-compile to a higher value on post compile, but when the material is reopened the count rever ...

Preview Meshes in Material Instances lose their association to material on close.

UE - Rendering - Materials - Aug 13, 2015

When you assign a Preview Mesh to a Material Instance, save and close the instance, on reopening instance, the Preview Mesh will not retain connection to the Instance and will revert back to its ass ...

Reimporting Meshes after renamed in Engine or Modeling Program break reimporting

UE - Editor - Content Pipeline - Import and Export - Aug 10, 2015

If you import multiple meshes from a single FBX file, then rename the asset in the Engine or in the Modeling Program, you will no longer be able to reimport asset until you complete overwrite import ...

Zip up project does not include project plugins

Tools - Aug 5, 2015

Not all plugins live under Engine, PlatformerGame being an example of one. ...