High bandwidth usage on listen servers, even with bare minimum replication

UE - Networking - Mar 1, 2019

UDN user claims that in an empty level, when using a listen server, bandwidth is higher than expected - ~5.5KB/sec for two connections, and appears to be framerate dependent. Has posted screenshots ...

Post Process Volume not updating in preview

UE - Platform - Mobile - Mar 4, 2019

Generate Project Files process fails if SwarmAgent.exe is not present

UE - Foundation - Cpp Tools - Mar 5, 2019

This issue appears to be the result of the fix for [Link Removed] which removed RPCUtility from the Engine. A licensee noted that they were now seeing an issue when attempting to generate project fi ...

AccumulateCurveMetaData unnecessarily marks the package dirty

OLD - Anim - Mar 5, 2019

AccumulateCurveMetaData makes calls to MarkPackageDirty even when the data hasn't changed. ...

PoseAsset::GetAnimationPose Normalizing all bone rotations per track

OLD - Anim - Mar 6, 2019

In UPoseAsset::GetAnimationPose after the curves are blended the all out pose's rotations are normalized for each track instead of just the specific bone for that track (See linked UDN for more deta ...

Using more than a single break node disables fast path

OLD - Anim - Mar 7, 2019

Using more than a single break struct node in sequence (despite no break nodes performing calculations) disables fast path. Splitting structs instead does not cause this issue. ...

Disabling DBuffer Decals causes Decals not to render

UE - Graphics Features - Mar 8, 2019

Disabling the Decal DBuffer in the  Project Settings>Rendering causes the Decals to not render on geometry that overlap their respective Decal Actor. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5 ...

Nested struct splitting gives incorrect node input for fast path

OLD - Anim - Mar 8, 2019

When any of the inputs to a fast path node are connected from a struct member from multiple splits or splits combined with breaks, all input connections to the node will be effectively ignored, inst ...

Null access to Unpossessed controller with seamless travel

UE - Gameplay - Mar 9, 2019

The unpossessd controller will not be removed from UWorld::ControllerList unless destroyed. This causes null access to the ControllerList when GC occurs during seamless travel execution. The unposse ...