The origin appears to shift for 3D widgets when the anchors (in the widget blueprint) and the pivot (in the widget component) are changed

UE - Editor - UI Systems - Nov 17, 2015

If The user is using an anchor that is not the top left and then changes the pivot of a widget component the result is a 3D widget that has an offset origin making it very difficult to interact with ...

Multi Line Trace by Channel includes Actors with Overlap collision in the Out Hits array

UE - Gameplay - Apr 13, 2015

Multi Line Trace by Channel includes Actors with Overlap collision in the Out Hits array (but does not indicate a True Return Value). The two returns match with Ignore and Block collision settings. ...

Printing the result of the 'Get Move Ignore Actors' node will crash the editor

UE - Gameplay - Blueprint - May 6, 2015

Printing the result of the 'Get Move Ignore Actors' node will crash the editor. The Licensee found the issue while exploring a workaround for this JIRA:https://jira.ol.epicgames.net/browse/UE-14734 ...

HLOD actor is not popping in as expected when zooming out in the viewport

UE - World Creation - Worldbuilding Tools - HLOD - Jan 12, 2017

This is a regression from 4.14.3 at CL 3251583 ...

Texture Property Node Returns Unexpected Values For Texture Object With Render Target Input

UE - Graphics Features - Feb 7, 2017

The texture property node returns incorrect values for texture objects that have a render target as its input. The correct value will be returned if a normal texture is used for the input instead. ...

Unable To Add More Than One Element To Default Values For Maps In Blueprint

UE - Gameplay - Blueprint - Feb 13, 2017

When adding new elements to a Map in blueprints it will return the error "Cannot add a new key to the map while a key with the default value exists". This is because it currently won't increment the ...

[CrashReport] UE4Editor_UdpMessaging!FUdpMessageProcessor::HandleSerializedMessageStateChanged() [udpmessageprocessor.cpp:548]

UE - Virtual Production - Nov 21, 2017

This is a common and longstanding crash that has occurred since at least 4.11. User DescriptionsI was just sitting around and it autosaved no source context available ...

Replication issues & warnings if a client hitches while the server seamless travels

UE - Networking - Jul 28, 2020

If a client hitches while a server performs a seamless travel, the client will get multiple lines of logspam of these warnings:Warning: UActorChannel::ProcessBunch: SerializeNewActor failed to find/ ...

Making a hidden level the current level changes tile position in World Composition

UE - World Creation - Worldbuilding Tools - World Composition - Nov 26, 2020

[AI] Navigation memory set in NavMeshMemory::ForAnyElementType::ResizeAllocation shows as Untagged in LLM instead of being under Navigation.

UE - AI - Navigation - Sep 27, 2022

Licensee found that memory being allocated during a resize in NavMeshMemory is not being tagged within LLM as NavigationMemory but show in LLM as Untagged memory. They do not have a callstack showca ...