"Visualize Level Instance Editing" defaults to on, during sequencer playback (for sequences withing a level instance)

UE - Anim - Sequencer - Nov 7, 2025

Version: Main branch 46320669; 5.7 Preview Epic Launcher pre-built; Issue: Playing a <sequence> that is withing a <level instance> turns back on gray <level instance editing> visualizing shader e ...

Sequencer Crash when Hovering over Binding Properties on a Component with Spaces in its Name

UE - Anim - Sequencer - Nov 7, 2025

Crash when binding to new components that have spaces in their name and you attempt to access their bindings. ...

GAS: FActiveGameplayCueContainer::RemoveCue crash while iterating removals when consecutive Cue tags are conditionally added and the conditional effects removed in ascending order

UE - Gameplay - Gameplay Ability System - Nov 4, 2025

When removing gameplay effects by tag, if the tag that is being removed has other tags that are dependent on it in a cyclical way an "array out of bounds ' error can be triggered. ...

Deadlock in UAnimationSequencerDataModel::Evaluate where FScopeLock Lock(&EvaluationLock) blocks execution indefinitely

UE - Anim - Nov 4, 2025

When both the Sequencer Editor and an Animation Curve Editor are open for the same animation asset, the editor freezes completely upon editing the curve. Analysis indicates that the freeze is caus ...

Virtual Texture Collection Indexing Not Working

UE - Rendering Architecture - RHI - Oct 30, 2025

Textures at an index, other than 0, cannot be sampled from a Virtual Texture Collection in a material. When using the Texture Collection and Texture Object From Collection material nodes, with a Vir ...

Static Mesh Contact Shadows still render when all LOD sections have Cast Shadows dissabled

UE - Graphics Features - Oct 30, 2025

When the cast shadow checkbox is disabled for all sections that make up a static mesh the main shadow is no longer rendered but the contact shadow does not respect the instruction to disable shadows ...

Path Tracer Normals Issue

UE - Graphics Features - Path Tracer - Oct 29, 2025

Path Tracing normal maps reflect light differently than Lit, and do not look accurate. Also observed in //UE/Release-5.6, CL: 45232827 ...

World-Space widgets don't cast whadows when using VSM

UE - Graphics Features - Shadows - Oct 29, 2025

When using Virtual Shadow Maps (VSM), widgets placed in world space do not cast any shadows. The same widgets correctly cast shadows when the Shadow Method is set to Shadow Maps instead of VSM. ...

Point Lights Invlidate Virtual Shadow Map Cache when at a distance from attenuation radius

UE - Graphics Features - Oct 28, 2025

When the camera is outside of a certain distance from a point lights attenuation radius the VSM of that point light stops caching shadow maps. This can also be reflected in the output from the 'r.S ...

Uploading of the SBT via copy queue is not guaranteed to be synced with async compute queue but only direct queue in d3d12

UE - Graphics Features - Ray Tracing - Oct 28, 2025

When HitLighting is enabled, SBT commit is running on the Graphic Queue, and the pass "LumenSceneLighting->offscreenshadows->LumenDirectLightingHardwareRayTracingRGS" that uses SBT could run on the ...