Unreal Engine Issues

C# UHT fails to recognize delegates declared in another class's namespace

Repro Rate: 3/3 This issue occurs in the live build //UE5/Release-5.1 at CL 23058290. This issue has also been regression tested against //UE5/Release-5.0 at CL 20979098 and is confirmed to be a r ...

Expose on Spawn option removed from BP Editor for User Created Structs after Migrating

Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. Only seems to occur with User Defined Structs. Testing with other variable types, but all ...

Lag spike for client while character is attached to actor

Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. Issue does not occur for Listen Server players. It's likely that this is a replication ...

Blending does not work when materials using material layers are set to Post Process Volume

Blending does not work as intended when Material Layers are used in post process. ...

Media I/O - Capture option Crop/Center return on the top left instead

Widget's shear render transform isn't reversed when using RTL text flow

When a widget's flow preference is set to RTL, we adjust the render transform so that the horizontal transform is mirrored (see SWidget::GetRenderTransformWithRespectToFlowDirection). We should do t ...

If LevelSequence ends during a shot that includes a CineCameraActor, Player Camera is not reset correctly

Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. Issue occurs when sequence ends with shot, and if sequence is interrupted during shot. ...

[AI] Navmesh does not get built inside of navmesh bounds that is in a non-activated data layer

WP navmesh generation does not appear to work if a navmesh bounds volume is in a data layer. The navmesh will build if the data layer is activated when the build paths is started, but it will not lo ...

AbilityTask_NetworkSyncPoint can cause duplicate Gameplay Effect applications

A recent change to UAbilityTask_NetworkSyncPoint generates a second Prediction Key before broadcasting the OnSync delegate which may be preventing the server from removing the locally predicted GE ...

"Current state is a conduit and will reset to ref pose" warning when using a conduit to select an entry state

AnimBlueprintLog: Error: Current state is a conduit and will reset to ref pose. This can happen if a conduit is an entry state and there isn't at least one valid transition to take. State Machine(Te ...