Unreal Engine Issues
Unreal Engine Issues
Use Single Process settings adjusted while Use Single Process is disabled are retained while Use Single Process is enabled
UE - Networking - Jul 1, 2015Use Single Process settings adjusted while Use Single Process is disable are retained while Use Single Process is enabled. This can be problematic when there are issues with having Use Single Proces ...
Forced reboot launching editor the first time
UE - Foundation - Cpp Tools - May 30, 2018Note that before I tried running the editor via the Launch button, I just happened to run the Editor exe directly, and this did not repro then. After my PC rebooted I tried to reproduce it again an ...
Event Graph 'Begin Overlap' event fires while not in Simulate or PIE
UE - Gameplay - Components - Feb 20, 2017Event Graph 'Begin Overlap' event fires while not in Simulate or PIE. It seems to somehow be linked to the components. If the actor contains a Box Collision component and either a Static Mesh comp ...
Changing a Mesh's Build Scale doesn't update the Mesh's Bounding
UE - Editor - Sep 8, 2022This is a regression tested in //UE4/Release-4.27 CL18319896 Changing a Mesh's Build Scale doesn't update the Mesh's Bounding to the same scale. ...
Foliage instances don't move with a static mesh when it is shared between two foliage actors
UE - World Creation - Worldbuilding Tools - Foliage - Apr 26, 2023From Licensee: The bug comes from the call of the function `FoliagePartitioningUtils::Update` in the method `AInstancedFoliageActor::MoveInstancesForMovedComponent`. When the function `FoliageParti ...
Window to select Skeletal Mesh does not pop up when editing a new IK asset
UE - Anim - Rigging - Retargeting - Apr 26, 2023When opening a new IK rig, the window that prompts the user to select a skeletal mesh does not open immediately. However, a skeletal mesh can still be selected in the details panel in the IK window. ...
Non-edit layers landscape don't work adequately with Nanite landscape while painting
UE - Graphics Tools - Terrain - Landscape - Oct 24, 2023Result : while displaying the Nanite version of the landscape, the paint layers behave erratically (see video : [Link Removed]) If rebuilding the Nanite data, the bug gets fixed until the user sta ...
Particles cannot be rotated in Local Space and behave erratically without local space
UE - Graphics Features - Oct 23, 2014Particles using the Velocity Over Life Module with extremely high values are behaving erratically without Local Space turned on and with Local Space turned on you can not rotate the particle system ...
Large Memory Allocations When Adding a Landscape_WaterBrushManager
UE - Graphics Tools - Terrain - Mar 17, 2025When a "Water Body River" is added to a Scene with a Landscape, eleven Render Targets are allocated for the water rendering. These Render Targets are sized according to the resolution of the Landsca ...
Collapsed Nodes do not have execution pins highlight during use
UE - Gameplay - Blueprint - Jan 16, 2015When nodes are collapsed in editor, the execution pins to the nodes do not light up to show their use. ...