Unreal Engine Issues
Unreal Engine Issues
InstancedStaticMesh displaying corrupt lightmap data
UE - Graphics Features - May 17, 2021I think I narrowed this issue down to bad UV coordinates being interpreted during the BasePassVertexShader execution applied to instancing. At this line in VertexFactoryGetInterpolantsVSToPS: flo ...
GameplayTagQuery in editor can fail to update to new values or reset after being cancelled
UE - Gameplay - Apr 25, 2024When editing a GameplayTagQuery inside of the editor, there are times when the query editor will not update the query when selecting Ok or fail to return the query to its original state before editi ...
Compiling twice then pressing play/stop after creating a c++ Game Instance causes a crash
UE - Foundation - Cpp Tools - Live Coding - Jan 24, 2022This is not a regression. After creating a C++ based Game Instance the Editor crashes if you compile twice then play and stop. ...
Opening a Level inside the ReferenceViewer does not Prompt the Save window if the Level is dirty.
UE - Editor - Applied Usability - Apr 15, 2024If you right click on a level node in the reference viewer and choose edit, it will bypass prompting you to save unsaved changes in your current level, silently discarding all unsaved work. ...
UE5.4 Regression - crash when disabling shader optimization while raytracing is enabled on D3D12
UE - Rendering Architecture - Shaders - Jul 15, 2024Certain interactions between a Rect Light with a Light Function and a Post-Process volume lead to a check() when compiling a Ray Tracing PSO for tracing lights. This check() only happens when shader ...
Cannot generate a callstack from the user's dll
UE - Foundation - Core - May 26, 2015The dumplogs and any other logs requested from this user are listed within this AnswerHub post. I do have the DMP logs currently on my PC if you're unable to download them, they're 1.9GB Jarek S. h ...
CaptureEveryFrame=False Produces Green Capture in Packaged Game
UE - Graphics Features - Dec 8, 2017When setting a SceneCapture with Capture Every Frame set to False, the capture will appear bright green in Packaged project. It captures as expected in editor/ PIE, and also works fine if Capture Ev ...
UE Editor 5.3 - Level Viewport - Unlocalized Issues
UE - Editor - Workflow Systems - Jun 23, 2023How to Reproduce: 1. Open Editor 5.3 (ReltestB) in Localized version (culture= ) 2. Click on the "show" icon in the level viewport 3. Navigate to the following locations in the Show menu and observ ...
Inconsistent texture loading issue within material editor
UE - Rendering - Architecture - Materials - Jul 16, 2025A licensee has reached out via EPS about a texture loading issue they are having in-editor. I summarized the most important points below:The issue relates to texture load failure associated with mat ...
Fix BinkMediaTextureResource command list crash on UE 5.6
RAD - May 23, 2025Bink MediaTextureResource assets cause a graphics API crash, due to a missing UAV flag. The Licensee has proposed a fix to add the TexCreate_UAV flag. ...