Unreal Engine Issues
Unreal Engine Issues
Matinee not triggering when moved from one level to another
Tools - Oct 19, 2015It appears that if you create a Matinee in a Sublevel, and then subsequently move the matinee between levels. It will not keep associations with the attached actors in the Matinee and not trigger e ...
Map load stalls in texture streaming code
UE - Graphics Features - Jun 13, 2017A change was made to AActor.GetComponents which appends the results instead of resetting the output array. This seems to only impact 2 places in the code, and has a big side effect in the texture st ...
Translucent User Interface materials do not have a thumbnail preview
Tools - Feb 15, 2018Translucent User Interface materials do not have a thumbnail preview. I do not see this issue with Translucent Surface materials. REGRESSION: No, this issue also occurs as far back as 4.17.2 ...
[AI] Nav Modifier Volume inside of a Level Instance does not update navmesh when moved
UE - AI - Navigation - Oct 3, 2023The issue is seen when using a normal navmesh inside of a World Partitioned level. Adding a Nav Modifier Volume to a Level Instance, and placing the Level Instance in the world will affect the navme ...
Soft Object unloads after some time when stored in a Blackboard
UE - AI - Mar 11, 2020When loading a Soft Object and directly placing the loaded Object into a Blackboard, after about 2 minutes the Object will unload and become null inside the Blackboard. This issue only occurs in a p ...
BSP brushes get Clipped or Disappear relative to the Surface Normals of a nearby Brush when Deleting/Flipping Faces
UE - LD & Modeling - Modeling Tools - BSP - May 1, 2017While testing this issue it was interesting to discover how the surrounding BSP's were affected. They seemed to clip/disappear according to the surface normals of the deleted brushes. There is a si ...
Editable Text Box crashes game on iOS
UE - Platform - Mobile - Jan 12, 2015Clicking on an Editable text box on a mobile device will causing the project to crash on the device. Tested on an iPad Air 2 (8.1) The crash does not occur on Android. Log files are from xcode ...
Investigate crash with replication nested ever changing attachments
UE - Networking - May 7, 2024There seems to be an issue with replicated attachments ending up causing cyclical setups resulting in crash on clients. It was reported for 5.2 but even after patching up code it seems to occur. ...
Compiling a Blueprint that references a deleted Macro from a Custom Macro Library will crash the editor
UE - Gameplay - Blueprint - Sep 3, 2015Compiling a Blueprint that references a deleted Macro from a Custom Macro Library will crash the editor. Crash Report: [Link Removed] This is a regression: did NOT occur in 4.8.3. Reproduced in 4. ...
FBX Import flips faces of mesh on Import for static meshes
UE - Graphics Features - Jan 29, 2016User is reporting that this is happening with some, but not all meshes. I didn't see anything out of the ordinary when looking at the asset in 3Ds Max, and the asset will import correctly into 4.10. ...