Unreal Engine Issues

Gameplay Tags set as Default in Local Variables do not show as references in Reference Viewer

Normal variables with gameplay tag defaults will show up in the reference viewer.Other reference types used as a local variable default value will show up in the reference viewer correctly. ...

Renaming a level by WorldPartitionRenameDuplicateBuilder fails if the level contains GroupActor with non-spatial actors

Referece to the source level should be fixed by FReplaceObjectRefsArchive, but it is not working because ArIsModifyingWeakAndStrongReferences is not set. It can be fixed by setting the flag.class FR ...

Collision build of LiDAR point cloud assets at runtime does not apply

Collision build at runtime for LiDAR point cloud does not apply. This applies to Editor and Standalone. If you do not allow collision builds at runtime, this module should not be available at runtim ...

Non-existing config file loading could cause memory leak

The cause of this problem is the Engine has code paths which register a new allocated object to Map without deleting the previous object. In the repro project, whenever hitting Space Bar, the level ...

Using the end of the curve as a weighted tangent does not yield the expected value.

When changing the tangent value, the last value is sometimes not 1.0 [Reproduce sample project] [Link Removed] ...

Montage Editor calls NotifyEnds of AnimNotifyState even when paused

In the Animation Montage Editor, NotifyEnd is unexpectedly called when a time marker is in the middle of an AnimNotifyState and the animation preview gets paused. Because the Animation Montage Edito ...

Compiling Blueprints breaks socketed attachments of actors attached to non-root components

When blueprints are compiled, instances of those blueprints have their attachments detached and then reattached. Reattachments always occur on the RootComponent regardless of which component they we ...

Denoting a custom data source root for import/export pipeline is not hooked into file path resolution for driving other parts of the UI

Custom Water Body does not work with its own Distance Culing

WaterBodyCustom seems not to work with Distance Culling settings on its own actor, either Draw Distance/Never Distance Cull or Allow Cull Distance Volume.  It only can be controlled by the CullingD ...

Unable to set simulate physics to false through blueprints

If "Editable when Inherited" is disabled for the static mesh component the issue does not occur. The bug could be related with other UDN cases:https://udn.unrealengine.com/s/case/5004z00001ruXmEAAU ...