Unreal Engine Issues
Unreal Engine Issues
Changing transform of simulated component during physics freezes motion
UE - Simulation - Physics - Oct 13, 2016If something is executed before a SetActorRotation node on Tick inside of a SceneComponent class BP and then added to an Actor class BP, the physics will lag User Description: When using set rotat ...
Adjusting Default Light Settings for Atmospheric Fog causes Crash
UE - Graphics Features - May 2, 2016Adjusting default light settings in the Color Picker palette for atmospheric fog causes the engine to crash in UE 4.12 Preview Regression: This does not occur in UE4.11 ...
Using Certain Names in Blueprint Math Expression Causes Compiler Error
UE - Gameplay - Blueprint - Aug 8, 2016Entering a value such as x1-x0 into a math expression node is causing a compiler error in blueprints. This is inconsistent with the behavior in 4.12.5, when entering the same expression would cause ...
On project upgrade, SubImageIndex breaks until you re-assign SubUV Animation
UE - Graphics Features - Jun 20, 2016On project upgrade, SubImageIndex breaks until you re-assign SubUV Animation Attached project is a 4.11 project, you'll need to Open a Copy in 4.12 or 4.13 ...
Cannot resize comment box when new comment is created on top
UE - Rendering Architecture - Materials - Apr 27, 2017Cannot resize comment box when a new comment is created on top. The resizing affects the bottom right corner. This issue is dependent on how the comment is added if comment 1 is highlighted and a ne ...
Not including StarterContent/Templates prevents engine .cpp files from appearing in project VS
UE - Foundation - Core - May 26, 2016If either/both of the "Starter Content" or "Template and Feature Packs" checkbox's are not selected when installing/updating 4.12 from the Launcher, the engine .cpp files will not show up in Visual ...
Crash when Editing Text in Libraries Category Text field within Material Functions
UE - Rendering Architecture - Materials - Jun 7, 2016When editing the 'Libraries Category Text' field within a Material function a crash occurs. Regression? Yes, this crash does not occur in the 4.11 release. I have attached an image for reference. ...
Procedural Mesh generated on BeginPlay does not collide with sweep actors in a packaged game
UE - Gameplay - Nov 10, 2016If a Procedural Mesh is created on BeginPlay (at runtime) instead of in the Construction Script, collision with non-player objects does not register correctly in packaged or launched games. This wor ...
Virtual Texture Data GetNumMips reports one fewer mip than expected
UE - Graphics Features - Feb 27, 2025FVirtualTextureBuiltData::GetNumMips() can return 1 fewer mip than it should due to a potential clamping issue at the end of FVirtualTextureBuilderDerivedInfo::InitializeFromBuildSettings() where it ...
D3D Device Lost 'HUNG' crash in FD3D11Viewport::PresentChecked
UE - Graphics Features - Oct 31, 2016This is a new D3D crash affecting multiple users in 4.14 Preview 1. It is currently the #1 crash in the Preview. Information provided by users:Just pressed create project...Openning QA Game with - ...