Unreal Engine Issues
Unreal Engine Issues
Generated instances can not be cleaned up when PCGVolume is copied to a different level
UE - World Creation - Procedural Tools - May 19, 2025Copying a PCGVolume beyond a level creates an instance that cannot be deleted. In UE5.5 or later, it is possible to delete the instance by pressing Cleanup button with Ctrl key (purge all components ...
Draw debug will crash visionOS
UE - Platform - XR - Dec 17, 2024DMX component in world partitioned level fails cook
UE - Virtual Production - IO - DMX - Feb 10, 2025Since UE5.5, RegisterComponent has been called during cook process, So unnecessarily references from DMXLibrary to DMXComponent has been added. There is a workaround to avoid adding references : ...
Crash In FGeometryCacheSceneProxy::GetDynamicMeshElements On Editor Load With Null Material
UE - Editor - Content Pipeline - Alembic - Aug 26, 2024UDN : Mutable Trying to Access Invalid UEdGraph Pointer
UE - Anim - Mutable - Mar 6, 2025Hello, We've started seeing a crash within Mutable when it tries to access the source graph in PIE. This only seems to be a problem when running a dedicated server as a separate process. We integra ...
TAttributeContainer::CopyFrom crashes when container contains invalid bone indices for active mesh
UE - Anim - Runtime - Jun 16, 2024Currently there's no validation within the animation attribute container that bone ids are valid. This means that client/game code can add attributes with invalid bone ids into the container and th ...
Find in Blueprints: Default values in struct members are not returned
UE - Framework - Blueprint Editor - Apr 30, 2025Context Find-in-Blueprints can be used to search the current, or all, blueprints. If you enter a simple string, it would return nodes, pins, pin default values and default values for BP Variables ( ...
Updating niagara with Advance Simlation during game pause causes memory leak
UE - Niagara - May 12, 2025When updating the niagara component in AdvanceSimulation with a tick, the memory of the Niagara tag keeps increasing between pause and resume. ...
Change of rotation axis when switching solver
UE - Simulation - Physics - Apr 17, 2025This alteration was introduced in the 'Found CL' field - and is likely an unintentional side effect of adding SIMD to the solver. There is a repro project attached, open up 'TestMap' and run to see ...
Unable to recapture the network channel data after stop the profile
UE - Foundation - Insights - Oct 18, 2023It appears that networking insights data is not being gathered when a delay capture is started with the "trace.send" or "trace.start" command. If we were starting from the application startup time w ...