PCG: Unable to use Attribute property overrides to target nested struct properties, such as BodyInstance.CollisionProfileName due to how it's validated in PCGMeshSelectorByAttribute.cpp

UE - World Creation - Procedural Tools - PCG Workflow - Jun 17, 2025

Context: Static Mesh Spawner is used to spawn one static mesh per point in the provided point data. PCGMeshSelectorByAttribute is used to select an entry based on an attribute present on the mesh. ...

[AI] Area Class to Replace does not work on SplineNavModifierComponent

UE - AI - Navigation - Jun 16, 2025

The SplineNavModifierComponent does not have the same behavior as regular nav modifier components where the modifier can specify that it only replaces a given NavArea class. Setting the area class t ...

Water tiles flicker in and out of visibility with instanced stereo enabled.

UE - Graphics Features - Jun 16, 2025

Water tiles flicker in and out of visibility when playing in VR with instanced stereo enabled. Requires instanced stereo rendering to be enabled (does not require forward shading to be enabled) Must ...

Crash in UDataTable::RemoveRow(FName RowName)

UE - CoreTech - Jun 13, 2025

This is a regression, the crash seem to have been introduced by CL 40129784 on ue5-main and persists in latest. Function UDataTable::RemoveRow(FName RowName) uses macro DATATABLE_CHANGE_SCOPE_SINGL ...

MRQ - MovieGraphEditorExample.py on_executor_finished_delegate not called in 5.6

UE - Virtual Production - Tools - MRQ - Jun 13, 2025

From UDN: We are launching jobs using a modified version of MovieGraphEditorExample.py. In 5.5 everything works fine, but in 5.6 the on_executor_finished_delegate is never getting called when all th ...

Performance hitch from RemoveGeometryCache flushing the render thread

UE - Editor - Content Pipeline - Alembic - Jun 12, 2025

FGeometryCacheStreamingManager::RemoveGeometryCache calls FlushRenderingCommands which shows up as a hitch when profiling. [Link Removed] Ideally the flush added in CL#23782411 to fix a rare deadl ...

StreamableManager does not apply CoreRedirects to loaded paths

UE - Framework - Jun 12, 2025

When loading soft object paths directly, it applies any important CoreRedirects by calling the function FixupCoreRedirects if the initial load attempt fails. In the repro steps, this will apply this ...

IsLocalController returning incorrect value when PIE listen server travels back to standalone map

UE - Networking - Jun 11, 2025

In this situation where the listen server travels back to a level without listening, IsLocalController can return the incorrect value. After the NetDriver has been shutdown and destroyed, the pawn a ...

Missing scripting TextChannel and TextKey

UE - Anim - Sequencer - Jun 10, 2025

While working with MovieSceneTextTrack plugin we are missing an option to edit channels or keys via blueprint or python. Basically we are missing implementation for MovieSceneScriptingTextChannel an ...

Interchange Framework - Missing References on Animation Import with Python Pipelines

UE - Editor - Content Pipeline - Import and Export - Jun 10, 2025

Hello, I'm using Interchange in a UE5.5.4 project with my Pipeline Stack containing a copy of the DefaultAssetPipeline and a custom Python Pipeline. When importing my Animation with only the Defau ...