Particle CPU cost highly increase at second "show" of a streaming level.

UE - Graphics Features - Feb 24, 2016

It seems that Particle CPU cost highly increase at second "show" of a streaming level. The Licensee's team sent a sample to reproduce this problem. So I put the project and wrote how to reproduce on ...

When Building Light for a SubLevel of a project, BSPs will be built into the level regardless if hidden or not

UE - LD & Modeling - Modeling Tools - BSP - Feb 23, 2016

BSPs will be built with light/shadow extrapolated even if they are placed in a hidden sub_level of the project at the time of building. Also Tested in 4.10.4, 4.11 Preview 6 and Dev-Editor-CL-28772 ...

Event Dispatchers do not update references when renamed

UE - Gameplay - Blueprint - Feb 23, 2016

Event Dispatchers do not update event references when renamed if the green "+" is used to add the event in the Details Pane of an actor component. Note: Event Dispatchers appear to rename normally ...

Setting Layer Partitioning or Region Chunk Splits to ChunkyMonotone causes hitching in navigation

UE - AI - Feb 23, 2016

Setting Layer Partitioning or Region Chunk Splits to ChunkyMonotone causes hitching in movement and navigation. The player will get caught on level geometry and temporarily halt or jitter in movemen ...

AddActorWorldOffset offsets character blueprints faster than other actors

UE - Gameplay - Feb 22, 2016

AddActorWorldOffset offsets character blueprints faster than other actors when the character is possessed or anytime after possession/ejection has occurred. ...

2 GB/hr Memory Leak on levels that are not enclosed

UE - Graphics Features - Feb 19, 2016

2 GB/hr Memory Leak on maps with no Sky Sphere or Atmospheric Fog to occlude empty space. The leak also occurs during general usage, but was tested with a blank project and an absolutely blank leve ...

FollowHmdOrientation is no longer an available option in the player camera manager blueprint

UE - Platform - XR - Feb 18, 2016

Users are having issues after upgrading their project to 4.11 due to the missing option of FollowHmdOrientation in the Player Camera Manager. ...

Root Motion from Everything doesn't accept Root Motion from Montages

OLD - Anim - Feb 18, 2016

Root Motion from Everything doesn't accept Root Motion from Montages in 4.11. This works in 4.10. Can regress down the issue if needed. ...

Collision is not updated on Slave Meshes when using "Set Master Pose Component"

OLD - Anim - Feb 17, 2016

Collision pose is not updated on Slave Meshes when using "Set Master Pose Component". This occurs with both Physics assets and Per-Poly collision This severely effects anybody making characters ou ...

Scaling multiple child components within a blueprint will cause their transform to malfunction

UE - Gameplay - Blueprint - Feb 17, 2016

If the user scales multiple child components and tries to move them it causes exaggerated movement. ...