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 ...

CreateProxyObjectForPlayMontage does not report if cannot play

UE - Anim - Rigging - Nov 15, 2018

UPlayMontageCallbackProxy::CreateProxyObjectForPlayMontage creates a proxy object and immediately calls PlayMontage. If the montage fails to play (no mesh component, no animinstance, Montage_Play it ...

Lens Flares are appearing in Other Player's Windows

UE - Graphics Features - Jul 28, 2015

On a Windows 8.1 Platform with an Nvidia 960 card, Lens Flares when playing with 2 Player's (without a dedicated server) are appearing in the wrong window. So, Player 1 is looking at sun, Player 2 ...

Crash when Listen Server Attempts ServerTravel in Play in New Editor Window

UE - Networking - Jun 9, 2015

JamesG: New callstack on UDN thread points to UNetDriver::TickFlush Editor crashes if a listen server attempts to use the console command ServerTravel while in Play in a New Editor Window. CrashR ...

A warning is needed for turning off "Update Navigation Automatically", large nav meshes can cause crashes

UE - AI - Jul 7, 2015

A warning is needed before allowing users to uncheck update Navigation Automatically. A user has done so and then created a nav mesh that was 1,000,000 by 1,000,000 in size and they can no longer op ...

Controller input changes for network players based on which window has focus

UE - Gameplay - Input - May 23, 2016

When testing networked multiplayer with two controllers, if the server window (editor) has focus, controller 1 controls the server character and controller 2 controls the client character. If the c ...

MoviePipeline: Disabling Auto Exposure in Project Settings not respected

UE - Anim - Sequencer - Mar 8, 2021

The high-res tiling method checks for the exposure method specified on the camera, and forces it to Manual exposure if it's not already there. It shouldn't force this if the project settings have al ...

Translucent Water renders dark with Lumen enabled.

UE - Graphics Features - Ray Tracing - May 30, 2023

Regression tested in 5.1 at CL 23901901 where the issue still occurs. The material will still have the normal and reflective properties. ...

Event Trace Log prints node actions multiple times

UE - Gameplay - Blueprint - Jun 10, 2015

If a blueprint has a breakpoint on a node and that node is utilized in PIE, the Event Trace in the Debug Log window will register each action taken by the blueprint multiple times. ...

3D widgets not clickable by Client 2 in multiplayer

UE - Editor - UI Systems - Dec 8, 2014

When using a 3D widget the user cannot click on buttons when on the client 2 of a multiplayer game. ...