Unreal Engine Issues
Unreal Engine Issues
Hidden enumerator variables can cause the enumerator to become broken with the Select node in blueprints
UE - Gameplay - Blueprint - May 26, 2015If a user makes an enumerator in C++ and sets one of the variables to Hidden and doesn't make it the last variable of the enum, it will cause issues with the numbering of the enum when using the Sel ...
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 ...
Instanced EditInlineNew Objects not correctly propagating to children and placed level instances
UE - Gameplay - Mar 3, 2020Instanced EditInlineNew objects are kind of broken right now and hard to make full use of. In addition to the notes above, there are some cases where you can't even assign new values into the base c ...
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. ...
[CrashReport] UE4Editor_D3D11RHI!FD3D11DynamicRHI::SetResourcesFromTables<FD3D11PixelShader>() [d3d11commands.cpp:1500]
UE - Graphics Features - Jul 5, 2018User comments in crash group:Light exort crashSwarm agent crash.Building lighting 1496 #if !(UE_BUILD_SHIPPING || UE_BUILD_TEST) 1497 if (!Buffer) 1498 { 1499 ***** UE ...
Bink Media Player leaves last rendered frame in viewport on play
RAD - Bink Video - Aug 4, 2022Essentially, when set to "Overlay Fill Screen," the Bink Media Player will render the last viewed frame over all game levels in PIE, without actually playing the video or being given any sort of pla ...
When moving actors to the current level, their label is reset and displayed incorrectly on the Scene Outliner until the next time it is refreshed
UE - Editor - Workflow Systems - Jul 14, 2025This is a regression, it worked correctly up to UE 5.4, but repros on UE 5.5 and 5.6. Also, this seems related to [Link Removed], which was fixed by CL 40649716/40649749 and integrated into UE 5.6, ...
Attempting to rename function bound to delegate or rebind delegate to new function will fail
UE - Foundation - Core - Nov 9, 2016Changing the name of a function that is bound to a delegate, or attempting to bind a delegate to a second function, causes the new/changed function to not be called when the delegate is triggered. ...
UFE Deploying and launching a packaged build on Linux fails due to invalid directory
UE - Platform - Linux - Dec 22, 2016Deploying and launching a packaged project, using a Custom Launch Profile that is set to copy the project to a repository, fails due to a missing /. I do not see this issue when running a Quick Lau ...