Camera behavior mismatch between PIE vs Packaged game

UE - Gameplay - Feb 19, 2015

When a camera is setup in code with GetWorld()->GetFirstPlayerController()->SetViewTarget(this); the camera will work in the editor but a packaged version of the game has a black screen. ...

Going to an earlier point of a replay does not update to previous visibility state on an actor that was switched to not visible during demorec

UE - Networking - Jan 5, 2016

Going to an earlier point of a replay does not update to previous visibility state on an actor that was switched to not visible during demorec. Reproduced in 4.9.2 binary and Main (//UE4/Dev-Main C ...

Unable to Import Sockets and LODs together for Static Meshes

Tools - Nov 6, 2015

When importing a Static Mesh into UE4 that is using the SOCKET_ naming, and is part of a Level of Detail set, the socket is discarded. If the Level of Detail set is removed from the Static Mesh, t ...

Spline component that is altered in the construction script cannot be referenced by the Event Graph

UE - Gameplay - Blueprint - Apr 21, 2015

A Spline component that is altered in the construction script cannot be referenced by the Event Graph. ...

Extremely long Spline Point will cause the editor to lose FPS

Tools - Nov 13, 2015

Extremely long Spline Point will cause the editor to lose FPS and crash some machines User Description: A couple of times I've accidentally scaled a spline node to be huge, causing the spline to ...

Controller::GetPawn() returns NULL in 4.9

UE - Gameplay - Sep 3, 2015

Making a call to GetPawn in an AIController class will return NULL which will crash when that return value is used. This is a regression as the call is made successfully in 4.8.3. Working CL: Work ...

[CrashReport] FBlueprintEditor::OnRemoveExecutionPin()

UE - Gameplay - Blueprint Editor - Jul 14, 2017

This is a common crash affecting users on Mac and Windows. User Descriptionsremoving empty execution pins from sequence node Source Context 3952 void FBlueprintEditor::OnRemoveExecution ...

Functional Test won't start when placing a moving actor inside the level if setting Navigation Mesh's Runtime Generation to Dynamic

UE - Automation Test - Mar 21, 2019

User is trying to use the Functional Test class to construct some automated test cases. Whilst doing this they noticed that adding a BP_Actor (just a static mesh engine cube) that simply rotates (v ...

BP with Show 3D Widget enabled does not display the correct vector values in the bp editor

UE - Gameplay - Blueprint - Apr 7, 2015

BP with Show 3D Widget enabled does not display the correct vector values in the bp editor. Note: If you don't see a difference at first, delete the bp in the level and place it again. The widge ...

Hot reloading with a plugin in the project prevents the project from being able to save.

UE - Foundation - Core - Jul 8, 2015

Hot reloading a project that includes a plugin will not be able to save if the plugin is used in the project. ...