NavMesh debug material color is changed by lighting with high lux values.

UE - AI - Debugging - May 23, 2024

There is a clear difference in color saturation for the nav mesh debug material between when lit by a light with low lux values (6) and when lit with high lux values (1000) and eye adaption is enabl ...

Crash on FPBDIslandManager::Reset() when exiting PIE

UE - Simulation - Physics - Solver - May 21, 2024

The editor might crash when stopping PIE in some scenarios ...

Actor instance FComponentReference to other actor instance gets nulled on other actor recompile

UE - Gameplay - Blueprint Compiler - May 21, 2024

An editable FComponentReference property on an actor instance can be used to reference another actor's component in the scene. In 4.27 and earlier versions these references were retained when the ot ...

Blueprints might get corrupted after inheriting multiple times.

UE - Gameplay - Blueprint - May 17, 2024

Blueprints might get into a corrupted state when they are inherited for a big number of times. Starting from a C++ class, if you then create a BlueprintClass from the C++ class, and keep creating ne ...

Guid reference warnings when using the Take Recorde

UE - Anim - Sequencer - Take Recorder - May 14, 2024

When we record a Take from a level actor, a warning about referencing the same Guid inside LazyObjectPtr.h appears. The functionality of the LevelSequence works as expeced, but when the initial tak ...

Same lightmap textures are listed mutiple times in Lightmaps of WorldSettings

UE - Rendering Architecture - May 8, 2024

Same lightmap textures are listed multiple times in Lightmaps of WorldSettings. It seems that it just showes the same texture mutiple times but there is only one texture. [Image Removed] ...

Client Ensure FShaderMapResource_SharedCode::ReleaseRHI is still referenced on exit/shutdown

UE - Niagara - Rendering - May 7, 2024

Very rarely, the game client will crash on shutdown and the log will contain messages that look like: LogOutputDevice: Error: Ensure condition failed: false [File:Engine\Source\Runtime\RenderCore\ ...

Editing Filtered Channels in Details panel doesn't update Spawn Control Node

UE - Anim - Rigging - Control Rig - May 7, 2024

An external user reported that creating and editing filtered channels in the details panel does not propagate to the node in the graph, thus making it unusable.  Here is a video with the issue: [ ...

Crash after 'Reparent Blueprint' when renaming component on-top of orphaned inherited component

UE - Gameplay - Blueprint Editor - May 7, 2024

After reparenting a blueprint and inherited components from the previous parent are removed, trying to give a new component the same name as a previous component causes a crash inside UObject::Renam ...