Unreal Engine Issues
Unreal Engine Issues
Edit Condition does not work properly when the structure is used as a key for Map
UE - Framework - Blueprint - Jun 19, 2025When the structure is used as a key for Map in Blueprint, Edit Conditions does not work properly. It will be updated when you move the focus to a different location(ex. a component) and click the v ...
Significant hitch occurs when invoking ApplySettings on a UGameUserSettings object
UE - Graphics Features - Jun 18, 2025Calling the ApplySettings method on a UGameUserSettings object results in a noticeable hitch, with severity proportional to the number of primitive components present in the scene. This hitch stems ...
TSR does not converge while using the color grading widget
UE - Editor - Applied Usability - Jun 17, 2025TSR (and TAA) does not converge when interacting with the color grading widget, but while keeping the mouse still. This makes it real-time previews more difficult. The expected behavior would be tha ...
Distance Field Traveral system in Content Example visual accuracy degraded since UE4
UE - Content - Content Example - Jun 10, 2025Beetles no longer swarm on demo station mesh (only on the ground underneath), and beetles walks inside the head mesh more often than they did in UE4. ...
If the map isn't dirty, it shouldn't be marked dirty when switching to the Perspective camera
UE - Editor - Workflow Systems - Jun 5, 2025Changing to the perspective camera from a locked camera calls FLevelEditorViewportClient::SetActorLock I'm not sure exactly why it sets the camera to the cached pilot transform and then sets it bac ...
GPU Lightmass no longer works with cascaded shadow maps
UE - Graphics Features - May 29, 2025Since Unreal Engine 5.5 stationary lights have stopped working with GPU Lightmass when using Cascaded Shadow Maps. With Virtual Shadow Maps enabled on the project, GPU Lightmass works. This issue d ...
Keyboard Shortcuts don't work on the Outliner Window if it is detached from the Main Window
UE - Editor - Workflow Systems - May 27, 2025Keyboard Shortcuts don't work on the Outliner Window if it is detached from the Main Window. As described in Steps To Reproduce, as soon as the Outliner Window is detached from the Main Window, most ...
Dealing with spaces in perforce directories
UE - Foundation - Horde - May 26, 2025Hello, We're encountering a fatal error when trying to set up a project in Horde using the AutoSdk: Fatal error: EpicGames.Perforce.PerforceException: Unable to parse view map entry: " ...
Tick functions are skipped on the first frame in package build and standalone PIE
UE - Gameplay - May 19, 2025It's reported that all Tick functions are skipped on the first frame when running in packaged builds and standalone PIE. This is because both TickVisitedGFrameCounter and GFrameCounter are initializ ...
Cascade - Some Delayed Particle Emitters Don't Function with High Delta Times
UE - Niagara - Cascade - May 13, 2025This is a Cascade issue from a UDN where single loops can be skipped if the DT is high enough. ...