Unreal Engine Issues
Unreal Engine Issues
BuildGraph build fails if Use Unity Build and Use PCH Files are set to false in BuildConfiguration.xml
UE - Online - Jun 23, 2017Using BuildGraph to create a local binary build of the engine fails if the BuildConfiguration.xml file has bUseUnityBuild and bUsePCHFiles both set to false. The build fails due to some missing Json ...
Using Delay with Tick when Paused doesn't work
UE - Gameplay - Blueprint - May 28, 2015Using a delay node in an event graph of actor using tick when paused will not work. It pauses the delay node. ...
Crash When Trying to Draw a Material to a Render Target where Source Material is using AlphaComposite + Unlit Mode
UE - Graphics Features - Feb 22, 2017The issue occurs when trying to Draw a Material to a Render Target where the source material is using AlphaComposite + Unlit mode. This is an attempt at the solution proposed by Ryan Brucks to allow ...
Collision of child actor doesn't rotate if the parent is simulating physics
UE - Simulation - Physics - Aug 11, 2015Collision of child actor doesn't rotate if the parent is simulating physics. This was an old bug that an AnswerHub user reported back in 4.9 but now a licensee is reporting this same behavior in 4.1 ...
In Editor, Blueprint resources are not freed up when the Blueprint is closed
UE - Framework - Blueprint - Feb 16, 2024It appears that the preview scene used to render thumbnails is not destroyed after a thumbnail is rendered, even after the blueprint editor is closed and GC is run. Also found in Release-5.4, CL: 31 ...
User's editor crashes when using a certain EditorLayout.ini
UE - Editor - UI Systems - Slate - Feb 16, 2016The users editor crashes on open when changing the layout ...
Ensure condition failed in FGPUSkinCache::InternalSetVertexStreamFromCache
UE - Graphics Features - Apr 12, 2017This ensure has occurred with some frequency in the 4.14 and 4.15 releases, and has been reported in the linked UDN post. Though this Jira links to one specific CrashGroup in CrashReporter, there a ...
Sequencer based Camera Shake throws an assertion when spammed
UE - Anim - Sequencer - Apr 7, 2022Activating a Sequencer based Camera Shake repetitively results in an assertion being thrown. Assertion failed: DestAllocationIndex != SourceAllocationIndex [File:D:\build\++UE5\Sync\Engine\Source\R ...
Animating blueprint mesh duplicates uncontrollably
UE - Gameplay - Components - Apr 15, 2015When animating within a blueprint of a subclass created in c++, the animating mesh replicates itself uncontrollably. Added to .h: UPROPERTY() UBoxComponent* BoxComp; UPROPERTY() USkeletalMeshCompo ...
Enum Meta is being ignored when project is packaged
Tools - Nov 4, 2014When using UMeta on Enums, text is ignored when doing Enum to String on a packaged project. ...