"Module 'XMPP' not found" warning in log file of blank packaged project

UE - Networking - Jul 15, 2016

"LogModuleManager: Warning: ModuleManager: Module 'XMPP' not found" warning in log file of blank packaged project Issue referenced by this JIRA: https://jira.ol.epicgames.net/browse/UE-30430 ...

Widgets remaining in memory after they are removed from viewport

UE - Editor - UI Systems - Oct 23, 2015

Widgets appear to be remaining in memory even after they have been removed from viewport. A user can use Get all widgets of class to search for a widget (with Top level only set to false) and it wil ...

Linux servers cannot start on machines with less than 2G of RAM

UE - Platform - Linux - Apr 23, 2018

The are reports on AnswerHub that servers don't start on machines with low memory. This is caused by an inflexible set up of OS allocation pools on Linux that demands at least 2GB (or close) of RAM ...

Deleted actors remain in scene outliner

Tools - Mar 14, 2015

actors that are deleted via blueprints remain in the scene outliner during PIE Regression: No (Issue was occuring in 4.6)https://answers.unrealengine.com/questions/44271/why-are-destroyed-actors-in ...

Sequencer spawned blueprint functions/variables not firing with correct values on begin play

UE - Anim - Sequencer - Dec 11, 2017

Created in relation to https://udn.unrealengine.com/questions/405764/is-it-possible-to-set-sequencer-spawnables-propert.html Issue relates to behavior of the Event BeginPlay and the propagation of ...

Download Image BP node no longer works with links to local files.

UE - Online - Mar 5, 2020

The Download Image BP node no longer works with links to local files with links such as "file:///C:/image.jpg" . This used to work, and confirmed working in 4.22, but is no longer the case. https:/ ...

Static mesh's material slot's cast shadow does not require a build of StaticLight

UE - Graphics Features - Dec 7, 2017

If static mesh's material slot's cast shadow is changed, UE4 does not show "LIGHTING NEEDS TO BE REBUILT". I solved it with the following fixes. StaticMeshEditorTools.cpp void FMeshSectionSettin ...

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/ ...

Ctrl+W when used on a static mesh in blueprints causes them to become immovable and the mesh does not show up

UE - Gameplay - Blueprint - Jul 30, 2015

When using the shortcut Ctrl+W to duplicate a static mesh within a blueprint. The static mesh that is made will not show the assigned static mesh and cannot be moved (even after compiling). May be ...

Line height for text boxes does not appear to be affected by scaling when using a scale box

UE - Editor - UI Systems - Jan 12, 2016

When scaling text with a scale box the letter will begin to overlap when scaled up or become really far apart when scaling down (this is referring to the space between the top and bottom of the lett ...