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). ...

Edit-> Project Settings -> Collision -> Presets Has No Scroll Bar

Tools - Sep 30, 2015

If you open a project and immediately go to Edit-> Project Settings -> Collision and expand the Presets dropdown, no scroll bar will appear. This prevents you from being able to see all of the optio ...

Camera Rotation Not Working With Mouse if Mouse Cursor is Shown

Tools - Apr 11, 2016

When the mouse cursor is shown, and you press eject in the viewport, you can no longer rotate the camera while holding right click and moving the mouse. If you hide the mouse cursor using the Show ...

This user's project crashes when instanced levels and the player pawn are unloaded and destroyed

UE - Gameplay - Jun 25, 2015

This user's project crashes when instanced levels and the player pawn are unloaded and destroyed. This occurs in the ProjectLevelGameMode Blueprint, in the Touched Finish Point commented area. This ...

Changes to InputMappingContext made during game play revert to previous state after restarting engine

UE - Gameplay - Input - Nov 21, 2022

Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. The following Blueprint nodes are affected by the same issue:Map KeyUnmap KeyAdd Playe ...

[CrashReport] UE4Editor_UMG!UWidget::GetParent() [widget.cpp:610]

UE - Editor - UI Systems - Oct 19, 2017

This is a trending crash coming out of the 4.18 previews and 4.18.0. Users have not provided any descriptions of their actions when the crash occurred. Source Context 597 void UWidget::SetA ...

AbilitySystemComponent::NotifyAbilityEnded Can Crash due to Callbacks Invalidation Specs

UE - Gameplay - Gameplay Ability System - Oct 11, 2023

Pasting from the UDN: Unsafe code in AbilitySystem can lead to crash when granting an ability inside OnAbilityEnded Hello. We just ran into a crash. After investigation, it seems to be caused by ...

Editor crash when enabling Distance Field AO Visualization in the Forward Renderer

UE - Graphics Features - Jan 9, 2017

When forward rendering is enabled along with Mesh Distance Fields if you go to visualize Distance Field AO in the main viewport the editor will crash. This only affects the Forward Render and works ...

OculusBoundaryComponent crashes when no HMD connected

UE - Platform - XR - Nov 7, 2017

Editor crashes when Oculus boundary component is added without a HMD connected. This was discovered while researching a separate bug report. A user stated that on a project that had been upgraded f ...

Two-sided geometry cannot be enabled for re-imported models when converting from previous versions

TM - Interoperability - Jan 28, 2025

When converting files from previous versions of Twinmotion to Twinmotion 2025.1, re-importing any existing imported geometry will cause the geometry to be re-imported with two-sided geometry disable ...