Unreal Engine Issues
Unreal Engine Issues
Linux servers cannot start on machines with less than 2G of RAM
UE - Platform - Linux - Apr 23, 2018The 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, 2015actors 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, 2017Created 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, 2020The 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, 2017If 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, 2020If 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, 2015When 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, 2016When 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 ...
Compile 'Note' on BP Interface events
UE - Gameplay - Feb 23, 2017Compile 'Note' on BP Interface events. It happens in actor BPs and also BP Widgets. A similar issue was fixed back in 4.11 with Custom Events. Could be related? https://jira.it.epicgames.net/brows ...
GameplayAbilitiesSystem: GameplayCues OnRemoved never firing
UE - Gameplay - Gameplay Ability System - Nov 15, 2023This behaviour was introduced in the following changelists in 5.3: CLs 25371706 and 25407985 https://github.com/EpicGames/UnrealEngine/commit/6e985ceeb98bc0d166756ccd3e3c0b0350d02265https://github. ...