Unreal Engine Issues
Unreal Engine Issues
4.21 PIE Issues in High DPI
Tools - Nov 26, 2018Using a High DPI monitor with a multiple players PIE window results in the 2nd PIE window not saving its location when moved around. Using a monitor with a smaller DPI scale the 2nd window will save ...
Motion Controllers fail to track during Launch On
UE - Platform - XR - Jan 8, 2020The Editor is failing to track or receive input from connected SteamVR motion controllers during a launch on. It appears that the editor isn't locating the action manifest. If the user enters VR Pr ...
Black viewport with artifacting when changing to MSAA with Forward Shading enabled
UE - Graphics Features - Dec 2, 2020DID NOT OCCUR IN BP FPS PROJECT - might be ContentExamples specific This issue does not occur when forward shading is disabled. Viewport error reads: TOO MANY OVERLAPPING SHADOWED MOVABLE LIGHTS ...
Use Borderless Window setting doesn't work on Mac
UE - Platform - Apple - Oct 10, 2022[Link Removed] The UseBorderlessWindow setting appears to not be implemented on Mac. We currently only apply the NWWindowStyleMaskBorderless style for tooltips and other "irregular" windows, so w ...
AActor::CheckActorComponents has misleading warning
UE - Gameplay - Components - Apr 24, 2023There's actually two issues going on here: 1. The REINST references are incorrect, and due to [Link Removed]. 2. Blueprint created components will always have different names between the instance ...
Unable to recapture the network channel data after stop the profile
UE - Foundation - Insights - Oct 18, 2023It appears that networking insights data is not being gathered when a delay capture is started with the "trace.send" or "trace.start" command. If we were starting from the application startup time w ...
Restricted Gameplay Tags cannot be added
UE - Gameplay - Mar 15, 2024The Gameplay Tags settings have the option to set up restricted tags as described in the documentation. Prior to 5.3, the UI correctly supported creating new restricted tags as described in the old ...
'Malformed sequence hierarchy' ensure hit after modifying sub-sequence tracks
UE - Anim - Sequencer - Sep 5, 2025It's possible for there to be multiple instances of the same sequence in the evaluation states cache if the same sequence is used in multiple sub-sections. Caches are never removed from the evaluat ...
FRuntimeFloatCurve in datatable causes editor crash
UE - Editor - Apr 24, 2024Inside SCurveEditor::ZoomToFitHorizontal and SCurveEditor::ZoomToFitVertical, the program navigates through a TArray<FRealCurve*> called CurvesToFit in a for each loop. Inside the for loop, if the p ...
Editor crash when deleting a outline folder with subfolders and using context menu
UE - Editor - Workflow Systems - Oct 3, 2023A user has reported that when using the Scene Outliner in a large map that has many actors and nested folders in the Outliner, deleting a folder that has subfolders from the Scene Outliner with Dele ...