Owner No See option does not correctly apply to widgets using screen space

UE - Editor - UI Systems - Aug 17, 2017

When using the Owner No See option with Widgets, if the widget is set to display on the screen rather than the world, then the option does not affect the widget as intended. Other forms of changing ...

[CrashReport] Fatal error: Cast of nullptr to Object failed

UE - Gameplay - Oct 5, 2017

This is a common and longstanding crash that has affected many users since at least 4.11. Source context not available (error in user code?). User DescriptionsI was duplicating a Set function in c ...

The 'Add New Key' button does not function within the Actor Sequence Editor within an object that has the Actor Sequence Component.

UE - Anim - Sequencer - Jul 26, 2018

The Actor Sequencer Timeline appears to not be able to correctly recognize the variables manipulated within the viewport. Thus, when attempting to add a keyframe after moving a component, within the ...

Editor Crashes when enabling Vertex Colors on an imported Skeletal Mesh with Morph Target Animations

UE - Graphics Features - Oct 11, 2018

Licensee wants to be able to import skeletal meshes which have Vertex Colours (their entire game is Vertex Coloured) and Morph Target animation, but they're seeing a crash when toggling Vertex Color ...

Can't access Actor in Sublevel from Persistent Level Blueprint

UE - Gameplay - Oct 17, 2018

You are unable to access or create references to any Sublevel Actors in the Persistent Level Blueprint. Licensee reports being able to select the Sublevel Actor and then right-click to create a refe ...

Query Params are ignored when using EQS

UE - AI - Jun 26, 2019

Trying to set the Bool Match as a Query Param causes the value to not be recognized. It just thinks the value is whatever default value it has instead of reading it from the params set in the Behavi ...

Crash report window does not open on GitHub source builds

UE - Foundation - Core - CrashReportClient - Jun 13, 2016

When using a source build of 4.12, the crash report client window does not open even if Crash Report Client is manually built alongside the editor. UPDATE: Only affecting Source builds from Github. ...

Post Process Ambient Cubemap Tilted

UE - Graphics Features - Nov 11, 2014

User imported a custom image in the correct format to be used as an Ambient Cubemap within the Post Process Volume. Enabled detailed lighting mode by pressing Al+5 and the image has been tilted/of ...

Light Banding for Point Lights at long distances from the World Origin

UE - Graphics Features - Jan 4, 2017

When using a point light far from the world origin the light will have banding. The shadow bias and filter sharpen can help but they are not as consistent as settings near the world origin. The only ...

[Crash] UE4Editor-MetalRHI.dylib!ReportMetalCommandBufferFailure()

UE - Graphics Features - Jan 25, 2017

Crashes when resizing Standalone game window by dragging lower right corner to and fro to increase/decrease window size. [Link Removed] Error message: SEGV_MAPERR at 0x3 Source Context:none Mos ...