Unreal Engine Issues
Unreal Engine Issues
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 ...
[Waveform Editor] - If a Sound Wave is trimmed or a transformation is added or removed while paused, play needs to be pressed twice to start the sound again
UE - Audio - WaveformEditor Plugin - Oct 6, 2022From [Link Removed] "There is still a bug happening with editing transformations on pause. If you play, then pause, and then edit a transformation, you have to press play twice to resume play (whic ...
JumpForce replicated ability task not always cleaned up properly
UE - Gameplay - Gameplay Ability System - Jul 19, 2024See [Link Removed] for original report. UAbilityTask_ApplyRootMotionJumpForce has a slightly different flow than other Root Motion Source ability tasks. It is the only one that allows EndTask to b ...
Crash in RHIBreadcrumbs during loading of Bundled PSO Cache if capturing an Insights trace on Win64 Development
UE - Rendering Architecture - RHI - Feb 17, 2025When compiling a PSO, RHI Breadcrumbs can be fed a bad FRHIBreadcrumbNode, resulting in reading random memory and crashing during the recursive node iteration. This only happens when tracing. The i ...
InverseExposureLerp should return 1.0 when EYE_ADAPTION_DISABLED is 1
UE - Graphics Features - Sep 16, 2024Materials using EyeAdaptationInverse may render incorrectly when debug visualizations are active. This issue can be resolved by modifying the EyeAdaptionInverse function in EyeAdaptionCommon.us ...
Physics constraint component doesn't work when placed inside a child actor, while using world partition and streaming is enabled
UE - Simulation - Physics - Mar 21, 2025Context: In a World partition level, to reduce complexity and provide a scalable solution when creating new projects, grid cell streaming can be enabled. Problem: The problem is that physics constr ...
Navigation mesh is generated ignoring collision for ISM added by construction script
UE - AI - Navigation - Apr 15, 2025When opening a map with ISM in place, NavOctree is not updated because the ISM bounds are assumed invalid and the geometry is not taken into account in the navmesh build. The following log output i ...
Sequencer Conditions crash - GarbageCollectionVerification
UE - Anim - Sequencer - Apr 3, 2025Encountered a crash during the garbage collection phase when using sequencer conditions with subsequence tracks. Specifically, objects appear to break the "Disregard for GC" assumptions. ...
Montage Section Links Don't Update When Section Deleted
UE - Anim - Gameplay - Mar 21, 2025Hi there, I noticed that there is a problem with Montage Section links not updating when a section is deleted from a montage asset. We had a montage with a "Default" section and a "Loop" section. ...
LoadMapMisc LLM category contains Static Mesh allocations
UE - Rendering Architecture - Nov 12, 2024UInstancedStaticMeshComponent::CreateSceneProxy() is missing a LLM_SCOPE(ELLMTag::InstancedMesh); and during level loading allocations for it appear in LoadMapMisc instead of InstancedMesh. Addi ...