Unreal Engine Issues
Unreal Engine Issues
Visual Logger Timeline is not updated when Viewport is in fullscreen
UE - AI - Debugging - Jan 14, 2025Context The Visual Logger is a powerful debugging tool to create and record visual representations, and allows people to review the data. Problem The problem is that it does not record things don ...
ARKit - Handheld AR Template Experiences Periodic Hitches when Quick Launched
UE - Platform - Mobile - Jan 14, 2025Reproduced 3/3 times. Regression testing in progress. Issue was reproduced on both Windows and MacOS launching onto iOS. Issue does not reproduce when packaging and installing an .ipa app. ...
Navigation: Exiting game while async nav building tasks are running can cause null pointer access of OctreeController.NavOctree from worker thread
UE - AI - Navigation - Jan 14, 2025Context Projects can turn on the project setting bDoFullyAsyncNavDataGathering to execute navigation mesh building tasks on worker threads. Some of these tasks will access the NavOctree, whose life ...
Regression - Nav mesh is not generated on BSP brushes after loading a map
UE - AI - Navigation - Jan 14, 2025In UE 5.5, when loading a map and selecting "Build – Build Paths", the nav mesh is not generated on any BSP brushes (although it is correctly generated in static meshes). This did not happen in earl ...
Skeletal Meshes with imported LODs will use the highest LOD when generating Nanite, rather than LOD0
UE - Graphics Features - Nanite - Jan 14, 2025In the SkeletalMeshBuilder, Nanite is generated when enabled regardless of the LOD being requested. Since the Nanite enablement parameter is set on all LODs in USkeletalMesh::BuildLODModel and LODs ...
Nanite Skeletal Mesh uses incorrect LOD for raytracing
UE - Graphics Features - Nanite - Jan 13, 2025LOD0 for some Nanite Skeletal meshes is used for ray tracing scenes on some platforms because some FSkinnedSceneProxy are incorrectly considered "always visible" ...
GPU Crash from invalid SRV in CreateShaderResourceView due to integer underflow
UE - Graphics Features - Ray Tracing - Jan 13, 2025The GPU crashes after the ray tracing geometry builder attempts to create a shader resource view with an invalid offset. ...
Building Geometry Stops UTickableWorldSubsystem Ticking
UE - Gameplay - Jan 13, 2025Can be mitigated by reopening the Level. There is a repro project provided by the licensee on the case ticket. ...
[Interchange][FBX] Fail to import attributes animation curves with key values as integer
UE - Editor - Content Pipeline - Import and Export - Jan 13, 2025cf[-https://forums.unrealengine.com/t/5-5-not-able-to-import-animation-curves-since-5-3-5-5/2267442/4-] Be carefull there is 2 bugs reported on that Forum and I think they are not related. The firs ...
A Simulating Physics component with StartAwake = false will be awoken by a Welded component
UE - Simulation - Physics - Jan 10, 2025A Simulating Physics component with StartAwake = false will be awoken by a Welded component If a welding occurs during the call to OnCreatePhysicsState, this breaks the start awake disabled flag. Th ...