Forward Shading: Scene Capture 2D crash when assigning a RGB Capture Source

UE - Graphics Features - Dec 12, 2016

When using Forward Shading for the project, if you assign a source target to a SceneCapture2D and use either BaseColor in RGB or Normal in RGB the editor will crash. Tested with: Broken: 4.14.1 B ...

Font outline ignores Content Color and Opacity from its parent border

UE - Editor - UI Systems - Feb 10, 2017

Font outline ignores Content Color and Opacity from its parent border. A licensee is trying to make many text blocks invisible by using a parent border, and setting its Content Color and Opacity's a ...

TextRenderComponents not parallel safe. Can cause crash

UE - Graphics Features - Feb 28, 2017

Licensee has reported intermittent crashes when loading a map that contains Child Actors with Text Render Components. When the child actor blueprint is spawned all of the text render components st ...

FBlueprintCompileReinstancer::ReplaceInstancesOfClass_Inner() can fail to resolve reinstanced archetypes.

UE - Foundation - Cpp Tools - Hot Reload - Mar 8, 2017

From UDN. This is a hotreload bug - even though it uses FBlueprintCompileReinstancer. ...

FPS when adding instanced static meshes in a random order is significantly lower than adding them in order by X,Y,Z location

UE - Simulation - Physics - Apr 5, 2017

Adding instanced static meshes in a random order by location gives 25% of normal frame rate, compared to adding them in order by X,Y,Z location. ...

Crash on map reload when blutility is using Get Selection Set

UE - Gameplay - Blueprint - May 24, 2017

Editor crashes on map reload, if an actor in the level is accessed by blutility get selection set. ...

VR PIE with Oculus - Editor Hangs on Level Load (on 2nd+ Launch)

UE - Platform - XR - Feb 9, 2018

Loading a map while in VR PIE hangs on 2nd+ play Does not occur when Oculus plugin is disabled. Does not occur in packaged project. A nonVR PIE will reset this behavior. Additional info from use ...

Navmesh generation doesn't work with Retopologize tool

UE - AI - May 15, 2018

When a Landscape is edited with the Retopologize tool, Dynamic Navmesh is no longer generated. This was also tested with Static Navmesh and yielded the same results. ...

UDistributionFloat member resets to null upon Blueprint Compile

UE - Gameplay - May 14, 2019

A UDistributionFloat property is reset to NULL when compiling a Blueprint sub-class of a C++ class that has a UDistributionFloat property. ...

Crash when trying to export unsupported Paragon Skeletal Mesh asset in 4.23

UE - Editor - Content Pipeline - Import and Export - Sep 11, 2019

When the user tries to export the Skeletal Mesh of TwinBlast (a paragon character that can be purchased off the marketplace) in 4.23. As of the time of logging this bug it is not supported in 4.23, ...