Altering Player Controller in Gamemode resets upon reloading project

UE - Gameplay - Blueprint - Nov 26, 2014

If a user sets the player controller to a custom Player Controller inside of a gamemode, then compiles, saves, and closes both the blueprint and the editor. Upon reloading the player controller in t ...

NetMulticast and BlueprintCallable C++ functions reportedly have incorrect parameters

UE - Networking - Nov 7, 2014

Bug report from AnswerHub. Need to figure out why C++ functions tagged NetMulticast and BlueprintCallable send the wrong paramters to some clients. ...

unusual occlusions when taking high-res screenshots

UE - Graphics Features - Dec 15, 2014

Unusual ghosted images/occlusions appear on highres screenshots ...

Invalidate and Generate Project ID do not function

Tools - Dec 15, 2014

The Project ID settings, Generate and Invalidate, do not change the Project ID. ...

Clicking a link from an unconnected reroute node compile error switches focus to the Level Editor tab

UE - Gameplay - Blueprint - Dec 21, 2014

Empty reroute nodes lead to an error on compile with links that switch focus away from the BP Editor tab and onto the Level Editor tab when clicked. ...

When running multiple clients in PIE the second player's inputs become toggled every tick when setting Input mode Game only on tick

UE - Editor - UI Systems - Slate - Jul 9, 2015

A user has found that setting input mode to game only on tick will cause the client in PIE to toggle their inputs on and off every tick. If this test is run with a single player the inputs are const ...

Blueprint 'Select' node: nodes connect to all input pins are evaluated while only one input is needed

UE - Gameplay - Blueprint - Aug 15, 2015

Originally marked Won't Fix in 2017. Issue reopened on May 1, 2024. All inputs of a Select blueprint node are evaluated, even though in the end only one value is selected. This is wasteful work. ...

tvOS becomes non responsive after killing a launched on app from Mac

UE - Platform - Mobile - Sep 28, 2016

tvOS locks up with the following message being repeated in the device log:Sep 28 10:27:50 Apple-TV-Joey UE4Game[610] <Notice>: [2016.09.28-14.27.50:752][188]LogHttp:Display: Sleeping 0.5s to wait fo ...

Variable Names with a Leading Space Cannot be Copied

UE - Gameplay - Blueprint - Nov 9, 2015

If you begin a variable name with a space, attempting to copy any instances of that blueprint will prompt an error warning: "Unknown property in <BlueprintName>: <VarName> = <Value>. Found in 4.9.2 ...

While a Custom Event's delegate pin is connected to anything its details are not visible in the Details panel

UE - Gameplay - Blueprint - Oct 27, 2015

While a Custom Event's delegate pin is connected to anything its details are not visible in the Details panel. Tested with an empty reroute node as noted below as well as a Set Timer node. Reproduc ...