Project launch options flicker between available and unauthorized/locked

Tools - Aug 20, 2018

Project launch options flicker between available and unauthorized/locked Unsure what causes this, but I have hit the issue twice. Another person has also seen this on their machine. I was able to ...

'Directions are not Compatible' error on ForEachLoopWithBreak if split struct pin is disconnected from Enum type

UE - Gameplay - Blueprint - Mar 25, 2015

'Directions are not Compatible' error on ForEachLoopWithBreak if split struct pin is disconnected from Enum type. Note: If the pins are reconstructed and the resplit, the error is fixed. ...

Linux client and listen server hangs on GameThread when decoding voice chat

UE - Networking - Sep 16, 2016

The ShooterGame client on Linux stops responding when the Windows host presses the Push to Talk hotkey and speaks into the mic to activate VOIP. [2016.09.16-19.09.24:159][575]LogCore:Error: Hang de ...

Network Delay with RPC Functions/OnRep Properties

UE - Networking - Jun 5, 2017

When attempting to call a RPC (NetMulticast, in this case) or use an OnRep_ Property, there seems to be a delay between setting the variable and it being replicated. In 4.15, this was around two t ...

Actor Component Replication Not Working on Dynamically Spawned Components in Blueprint

UE - Networking - Aug 7, 2018

Actor components that are spawned dynamically through Blueprint are not being properly replicated to the client.  Found in 4.20 CL# 4233996 and reproduced in 4.21 Main CL# 4258917 Unable to test i ...

Spinbox displays values that differ from the value of the delta

UE - Editor - UI Systems - Nov 1, 2017

Spinbox displays values that differ from the value of the delta, when values are displayed for a spinbox their value always reads in the 0.000001 values, instead of listening to the delta. Unsure if ...

Unable to edit default values of TMap struct variable stored in an inherited component from the full blueprint editor

UE - Gameplay - Blueprint Editor - Jun 29, 2017

When you have a struct variable that is part of a TMap which is stored in an inherited component, the struct is not editable in the full blueprint editor. It is editable in the data only blueprint e ...

Editor UI lightens when r.HDR.EnableHDROutput is set to 1

UE - Graphics Features - Nov 15, 2017

When console command r.HDR.EnableHDROutput = 1 is used, the entire engine UI becomes lighter or more washed out / desaturated, as shown in attached screen shots. Confirmed this bug is not present i ...

Copying values of an array created through C++ does not copy all values

Tools - Aug 24, 2017

Copying values of an array created through C++ does not copy all values, only the first value is copied over. This is different than an array that is created in blueprints when those are copied they ...

Level Sequence option "Allow Level Edits Only" causes Frame Rate drop when used

UE - Anim - Sequencer - Aug 15, 2017

When using the new option "Allow Level Edits Only" there is a drastic frame rate drop while playing the sequencer. This frame rate drops when only using this option. Versions Tested: 4.16.3 - CL: 3 ...