Input not recognized from 'Any Key' when set as an Action Mappings Binding

UE - Gameplay - Jul 12, 2018

The 'Any Key' input isn't working when it is assigned in the Axis Mappings menu. If you call 'Any Key' in Blueprint it still functions as intended. This is a regression from 4.19.2 (CL-4033788). T ...

UDebugDrawService doesn't display text on Blueprint Editor viewport from UDebugComponent

UE - AI - Debugging - Jun 17, 2024

By creating a DebugComponent, the texts added to this component are not displayed in the viewport of the Blueprint editor. This is because the UCanvas reference that is being passed is that of the ...

Crash when creating a local variable inside of a collapsed node graph that has been copied

UE - Gameplay - Blueprint - Nov 5, 2015

If the user creates a function with local variables and then collapses the variables down into a collapsed graph and then duplicates this collapsed graph the variables in the second graph will be gr ...

Blueprint Break on Exceptions does not work with Accessed None errors

UE - Gameplay - Blueprint - Jan 14, 2015

The experimental feature Blueprint Break on Exceptions does not work with Accessed None errors. To test, create an actor variable in a blueprint and use it as an input to a function without having s ...

Crash when selecting "show" > "uncompressed animation" in Persona

OLD - Anim - Jul 1, 2016

From this UDN: https://udn.unrealengine.com/questions/301289/crash-in-persona-debug-display.html Proposed solution: In UDebugSkelMeshComponent::GenSpaceBases() before PerformAnimationEvaluation() ...

Crash Occurs on Second PIE When Using Seamless Travel to Travel From One Map to Another That Contain the Same Sublevel

UE - Gameplay - Dec 6, 2016

The editor is crashing on the second PIE attempt when using seamless travel to travel from one map to another when both maps contain the same sublevel. The travel is taking place using: PlayerContr ...

Generate Lightmap UVS Doesn't Update the Lightmap Coordinate Index

Tools - Jul 23, 2018

When importing an fbx file and using 'generate lightmap uvs', the light map coordinate index will not update correctly. Working properly in 4.19 CL# 4033788 Found in 4.20 CL# 4212847 and 4.21 CL# ...

UCheatManager::ToggleDebugCamera() causes crash

UE - Gameplay - Oct 11, 2018

Toggling the Debug Camera with the UCheatManager::ToggleDebugCamera() function in a PlayerController derived class causes a crash. Tested in 4.19.2 (CL - 4033788), 4.20.3 (CL - 4369336), 4.21 (CL ...

Curve Editor in CameraAnim and Matinee does not display anything in UE4.22

Tools - May 22, 2019

The Curve Editor appears black and doesn't show any information or data. This is a regression from 4.21.2 (CL-4753647) where the Curve Editor functioned as expected. This was reported and tested in ...

Anisotropic reflections are not visible in all player views during local multiplayer split screen

UE - Graphics Features - Mar 7, 2025

When playing in a split screen local multiplayer game the anisotropic reflections differ between players when looking at the same object. It appears as the anisotropic light scatter is not applied ...