Issues with global invalidation (MoviePlayer)

UE - Editor - UI Systems - Sep 27, 2024

It was mentioned that the global invalidation should be toggled off during loading screen and subsequently restore the state after. A request was made for this dynamic behavior be part of the engin ...

[AI] UE_MT_SCOPED_READ_ACCESS(NavElementAccessDetector) Fails in editor on fresh sync

UE - AI - Navigation - Jan 27, 2025

Licensees have reported failed multi-thread access code for NavElementAccessDetector in complex levels that have not finished compilation of their static meshes. The eventual failed check is inside ...

Some features have not yet been supported when using AmbientCubemap as IBL

UE - Graphics Features - Mar 26, 2025

Translucent materials do not receive specular highlights and reflections from Ambient Cubemaps set in Post-Process settings. There is a pass"InjectTranslucencyLightingVolumeAmbientCubemap" that sho ...

Console window is locked when casting to the player controller

UE - Editor - UI Systems - Jul 13, 2015

User has reported that access to the console window is locked when using this setup. ...

Reset Emitter button in blueprint emitter component has no effect

UE - Gameplay - Blueprint - May 21, 2015

After setting a particle system component inside blueprint, clicking the "Reset Emitter" button in the details panel does not have any effect on the particle system. ...

Enabling Allow Client Side Navigation results in a NavMesh Needs To Be Rebuilt error message on the Client

UE - AI - Dec 7, 2015

Enabling Allow Client Side Navigation results in a NavMesh Needs To Be Rebuilt error message on the Client. The Client cannot use the nav mesh. This is a regression: this did not occur in 4.9.2 (th ...

setting Simulate Physics and Set Actor Location And Rotation in code causes crash on project load

UE - Gameplay - Feb 19, 2015

If an actor's Simulate Physics and ActorLocation/Rotation properties are set in code the editor will crash immediately upon launch / debug in VS. ...

Setting Standalone Window Sizes within Editor Preferences not working as Expected

Tools - Feb 24, 2016

While testing the 'Shot' command for a user on the AnswerHub, I discovered the reason for the incorrect resolutions of his screenshots, was due to the fact the 'Standalone' window resolution set wit ...

CheckDefaultSubobjects() appears to not properly validate Blueprint Class instances

UE - Gameplay - Blueprint - May 17, 2016

It looks like maybe CheckDefaultSubobjectsInternal() isn't set up to handle non-native (i.e. Blueprint) class types? As well as AActor::CheckActorComponents() perhaps? ...

Tooltip on Beam Source Name is incorrect

UE - Niagara - Oct 24, 2014

In the Beam's Source Module the tooltip for the Source Name is actually the tooltip for the Source Tangent Strength. ...