Unreal Engine Issues
Unreal Engine Issues
2 GB/hr Memory Leak on levels that are not enclosed
UE - Graphics Features - Feb 19, 20162 GB/hr Memory Leak on maps with no Sky Sphere or Atmospheric Fog to occlude empty space. The leak also occurs during general usage, but was tested with a blank project and an absolutely blank leve ...
Niagara System User Parameters Resetting After Closing the Editor
UE - Niagara - Jan 18, 2019Niagara System user paramemters will reset upon restarting if they are used in a Blueprint. This also occurs to the system if you move the blueprint after making changes then pressing Ctrl+Z. Foun ...
World Position Offset Object Shadow Cast on Translucent Object Causes Flickering
UE - Graphics Features - Jan 21, 2025When a WPO (World Position Offset) object casts a shadow on a translucent object, the translucent object flickers continuously as the shadow passes over it. Initially logged as a 5.5/5.5.1 but also ...
Precomputed Visibility no longer calculated on Landscapes
UE - LD & Modeling - Terrain - Landscape - Jun 24, 2015Placing a Precomputed Visibility Volume around or through a landscape does not seem to calculate precomputed visibility for that landscape. This is a regression from behavior in 4.7.6. Also Tested ...
Spline Array created in code cannot be edited in a blueprint
UE - Gameplay - Components - Apr 20, 2015If a TArray of spline components is created in code it is not possible to edit/add nodes to the spline inside a blueprint. ...
Emissive for Static Lighting looks incorrect when using lower Static Lighting Level Scale
UE - Graphics Features - Jun 13, 2016When using a lower value for Static Level Lighting Scale in the World Settings under Lightmass the blending of the area lights is not blended together for a smooth emissive look. Instead, there are ...
Input from a second gamepad is not detected until the game window is clicked with the mouse
UE - Gameplay - Input - Dec 12, 2014In a packaged local multiplayer game, input from a second gamepad is not detected until the game window is clicked with the mouse. The first gamepad input is detected as expected. ...
Distance Fields do not work with Directional Lights when using a AMD Radeon card.
UE - Graphics Features - Aug 25, 2015Distance Field shadows do not appear to be working with those using Radeon series cards. Sample project attached DXDiag of machine that is having the issue is attached. AMD Radeon 200 series. ...
Copy and paste State in the state machine do not correctly refresh synced objects when it have transition rule(fraction)
OLD - Anim - Apr 12, 2017Copy and Paste action in State machine do not generate correct info for "AnimGraphNode_SequencePlayer_20" Name for "AnimGraphNode_SequencePlayer_#" in the duplicated state is not changed to corresp ...
Actor being moved via sequencer has inherited velocity that ignores play rate scale
UE - Anim - Sequencer - Nov 8, 2019When an actor that can be stood on and jumped off of is moved in a sequencer it's inherited velocity doesn't scale with the Sequence play rate. If you jump in the opposite direction the cube is goin ...