Frame 0 event does not get triggered when using SetPlaybackPosition

UE - Anim - Sequencer - Apr 17, 2018

An event at frame 0 of a sequence does not seem to get called when using "SetPlaybackPosition 0" to reset the playback position to the start. This seems to be a regression. 4.17.2, the frame 0 even ...

Landscape Grass Output Instances begin to float when using the Retopologize Tool

UE - LD & Modeling - Terrain - Landscape - Mar 14, 2017

When using the Retopolgize tool on a landscape that is utilizing the Landscape Grass Tool, any pre-existing grass types will begin to float and transform their locations. The only way myself and th ...

Audio in animation editor does not work properly

OLD - Anim - Apr 21, 2017

There are multiple issues with the code at present 1) The animation preview world listener is not updated. This can be solved with the following override on AnimationEditorViewportClient (Following ...

Debug symbols are required for the Shipping packaging configuration

Tools - Feb 11, 2016

If the engine is installed without the Debug Symbols, packaging for Shipping will fail due to the missing files. While I believe this is expected for Development, it shouldn't occur with shipping. ...

Child Actor components on Clients use the incorrect default values for variables that are not being replicated

UE - Gameplay - Blueprint - Aug 28, 2018

When a Child Actor's class is replicated but the individual variables are not, the individual variables will use the default of the original BP class instead of the defaults that were set in the Chi ...

Lens Flare and Bloom do not work for local multiplayer

UE - Graphics Features - Jan 22, 2015

Using a post process volume with lens flare and a bloom enabled do not appear functional in split-screen multiplayer. Other selections in the PPV work as intended (ie. Fringe, Ambient occlusion). ...

Packaging Fails When Media Player->Open Source is Used in C++

Media Framework - Sep 13, 2016

When attempting to use a media player asset in code, packaging will fail with the error message shown below. Could not find a native player for [...]4.13/Content/Movies/Tutorial.wmv This occurs ev ...

Full Scene Importer Blueprint will only set as Movable Components

UE - Editor - Content Pipeline - Import and Export - Jun 22, 2016

When importing a full scene using the Full Scene Importer and having it create a Blueprint actor that will set it's default mobility to static. Even unchecking the Import as Dynamic option will not ...

Significant Performance Drop During Play While Behavior Tree is Open

UE - AI - May 18, 2016

Attempting to play in editor, standalone, or VR Preview when a behavior tree that is running is open will cause a significant performance decrease. The framerate drops from ~120 to ~80 fps while the ...

OnRep_BurstCounter Not Firing Reliably in ShooterGame

UE - Networking - Nov 17, 2017

In ShooterGame, when a Listen Server fires its weapon, the burst effect will not be replicated reliably to the client(s). Adding logging to OnRep_BurstCounter in ShooterWeapon.cpp will show that t ...