Assert When Saving Over Existing Level With Built Lighting

Tools - Apr 17, 2017

While saving over an existing map the engine will crash if both maps have baked lighting. ...

GetCurrentPlayers() Always Returning 0

UE - Networking - Apr 14, 2017

GetCurrentPlayers() is returning 0 each time it is called, regardless of how many players are connected to the server. ...

Packaging a DLC Plugin Fails with "Couldn't Update Resources" Error

UE - Foundation - Core - Cooker - Mar 14, 2017

Attempting to package a plugin as DLC is failing with the following error message: Program.Main: ERROR: AutomationTool terminated with exception: System.Exception: Couldn't update resource However ...

Subclass disappears from class variable drop-down on re-open

UE - Gameplay - Blueprint - Mar 13, 2017

Subclass disappears from class variable drop-down upon reopening the project. There is a workaround for the issue but it is strange in nature. Opening the level blueprint and adding the node in scre ...

GPU Particle Collision Stops Working With Scene Capture In Scene

UE - Graphics Features - Feb 28, 2017

When a scene capture actor or component is actively capturing a screen and drawing to a render target gpu particles will stop colliding. ...

Compile 'Note' on BP Interface events

UE - Gameplay - Feb 23, 2017

Compile 'Note' on BP Interface events. It happens in actor BPs and also BP Widgets. A similar issue was fixed back in 4.11 with Custom Events. Could be related? https://jira.it.epicgames.net/brows ...

Editor Crashes On Startup After Enabling Light Propagation Volume (LPV) With Forward Shading

UE - Graphics Features - Feb 20, 2017

After enabling Forward Shading that project can no longer operate while "r.LightPropagationVolume = 1" since it will crash immediately. ...

Bright mesh outlines using Temporal AA with Gaussian Blur DOF

UE - Graphics Features - Feb 17, 2017

Since the last engine merge in FN Main, any mesh that silhouettes against DOF will produce a bright, halo like effect on the outside edge. The further away the background is from the silhouetted mes ...

SSL certificates for HTTPS are not properly verified on Windows

UE - Online - Feb 7, 2017

A user has reported that, due to a change that was made back before 4.12, SSL certificates for HTTPS are not verified correctly when building on Windows. This is due to the change requiring a bundle ...

Crash When Two PostProcess Volumes Are Selected Simultaneously

UE - Graphics Features - Feb 3, 2017

Once you add two postprocess volumes (one to the persistent level and one to a sublevel) then add a blendable element to each, and then try to select both a crash will occur. ...