Vertex Interpolator causes depth-test to fail

UE - Graphics Features - Apr 23, 2020

Vertex interpolator (semi-randomly) causes visual artifacts on meshes. This did not happen initially when using or creating this material function but started about 24 hours later but now happens st ...

Blueprint debugger: variable getter node displays wrong object's value

UE - Framework - Blueprint Runtime - Jul 28, 2023

After triggering a breakpoint in blueprint, variable getter nodes can display the value of a different object than the node's target. For example: if an actor class has a value MyBool and the bluepr ...

Blueprint Editor Layout is not properly saving

UE - Gameplay - Blueprint Editor - Oct 19, 2016

There are some weird things happening with layout recently, like UE-37541 which doesn't allow the user to save their layout, then reset it to the saved layout. Interesting thing to note is that wh ...

FArchive broke operator<< for bool in Editor builds

UE - Foundation - Core - Feb 16, 2017

Looks like CL-3215392 added changes in FArchive where the operator<< method for bool is a member operator in Editor (as opposed to a global operator in non-editor and old builds). This causes shado ...

[CrashReport] <unknown module>!UE4Editor_TrueSkyPlugin!FTrueSkyPlugin::RenderFrame()

UE - Graphics Features - Mar 6, 2017

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...

AI Controller Remains in World Outliner After Being Destroyed

UE - AI - Apr 18, 2017

Destroying an AI Controller does not seem to remove it from the world. The controller will still remain in the World Outliner even after Destroy is called. Attempting to get the AI Controller after ...

Pressing f11 while playing in editor new window fullscreens the viewport in the editor

Tools - Sep 25, 2015

Pressing F11 (in attempts to fullscreen) while playing in editor - new window causes the viewport in the editor itself to full screen as opposed to the new window that's created. expectation is 1 o ...

[CrashReport] UE4Editor_MeshPaint!MeshPaintHelpers::FillVertexColors()

OLD - Anim - Jun 27, 2017

This is a common crash in the 4.16 release. Users have not provided any descriptions, so additional information is currently unavailable. Source Context 804 elseif (USkeletalMeshComponent ...

Building lighting after map data is built dirties level

UE - Graphics Features - Oct 5, 2017

There is an issue occurring where after the map built data is made building lighting on a level causes the level to become dirty. this occurs even if anything in the level has not been changed excep ...

Set relative location in construction script does not work when value is [0, 0, 0]

UE - Gameplay - Blueprint - Dec 11, 2017

The Set relative location in construction script does not work when the value is [0, 0, 0] when used it does not set the location back when the specified component is moved, it does work for any val ...