Unreal Engine Issues
Unreal Engine Issues
Sequencer's View Options>Expand/Collapse Nodes and Descendants (Shift+V) does not Collapse after being Expanded (UE5.6)
UE - Anim - Sequencer - Jun 25, 2025Sequencer's View Options>Expand/Collapse Nodes and Descendants (Shift+V) does not Collapse after being Expanded (UE5.6). As described in the Steps to Reproduce section, the command expands the prope ...
[CrashReport] Crash related to looped Reroute nodes
UE - Gameplay - Blueprint - Jul 14, 2017This is a common crash affecting users in 4.15 and 4.16. User DescriptionsI connected two reroute nodes together in a circle. And well it brought me here.I connected a reroute node with a reroutnod ...
Blueprint with instance static mesh from construction script will cause crash when using the build then build geometry
Tools - Mar 12, 2015When using a BP with component instance static mesh that is added via the construction script, when using the build button in the toolbar to build lighitng and geometry everything will work correctl ...
Piloting character actor with camera not working properly
Tools - Jun 11, 2015When using the pilot function a character actor with a camera actor cannot move around properly. This issue may be due to something with the LevelEditorViewport.cpp UpdateViewForLockedActor function ...
Crash when BP_LightStage SkyLight Cubemap Resolution changed by spinning value
UE - Graphics Features - Nov 28, 2017Engine crashes when the value in the Cubemap Resolution for the SkyLight component in the BP_LightStage is changed by spinning the value. This asset is found within the Advanced_Lighting map of a B ...
"Visualize Level Instance Editing" defaults to on, during sequencer playback (for sequences withing a level instance)
UE - Anim - Sequencer - Nov 7, 2025Version: Main branch 46320669; 5.7 Preview Epic Launcher pre-built; Issue: Playing a <sequence> that is withing a <level instance> turns back on gray <level instance editing> visualizing shader e ...
Memory Leak When Hovering Over a Folder Containing Blueprints
UE - Editor - Content Pipeline - Content Browser - Jun 7, 2016Hovering the mouse cursor inside a Content Browser folder that contains blueprints causes the memory usage to steadily increase. This only seems to occur with blueprint assets in the folder. A use ...
DDC corruption creates incorrect pasted topology when using Landscape Copy / Paste Tool
UE - LD & Modeling - Terrain - Landscape - Apr 3, 2017I noticed that the copy and pasted section of the level was being painted while I was painting a nearby section of the level. This weird yellow color appeared and I undid and redid the paint to make ...
NPC - Does not get updates from Material Parameter Collection changes in the editor
UE - Niagara - Sep 30, 2024When an MPC is selected as the Source Material Collection for an NPC, all of its current parameters are carried over to the NPC with their current values. After that, if parameters are added to, rem ...
Packaging with plugins GearVR and GoogleVR together cause build failed with multiple definitions of GetHMD()
UE - Platform - XR - Sep 7, 2016Packaging with plugins GearVR and GoogleVR together cause build failed with multiple definitions of GetHMD(). Log attached for build error and error portion plugged into the callstack box. ...