Unreal Engine Issues
Unreal Engine Issues
ToggleDebugCamera Console Command doesn't disable an enabled DebugCamera
UE - Gameplay - Aug 5, 2019The "DisableDebugCamera" node and the "ExecuteConsoleCommand" node with "ToggleDebugCamera" in the Command field do not disable an enabled Debug Camera. Found in 4.22.3 CL#7053642 Reproduced in 4.2 ...
World Position Offset causing Cracks in Meshes on certain iOS Devices
UE - Platform - Mobile - May 24, 2017When using World Position Offset and pushing verts of a mesh, cracks appear on the surface using WPO when deployed to an certain iOS devices. I used the Mobile Previewer to compare results to how t ...
Meta Quest - Visual Artifacting in right eye with Lumen enabled and effects quality set to High
TM - VR - May 9, 2025Reported in SF [Link Removed] On Meta Quest headsets, when Lumen is enabled for VR, setting the Effects Quality to High can cause visual artifacts to appear in reflections in the right eye of the h ...
SetOneWayInteraction functionality has no effect on the simulation
UE - Simulation - Core - Nov 11, 2022Calling SetOneWayInteraction on a BodyInstance has no effect within the physics engine. The state of the flag is passed in to Chaos but nothing actually uses the value once it is there. It is expe ...
MetalRHI Asserts When Using "Profile GPU" With RHI-Thread/Parallel-Execution
UE - Graphics Features - Sep 14, 2016When the RHI thread is enabled (with or without parallel-execution) for Metal it isn't currently possible to run "profilegpu" because the GPU timestamp emulation code isn't multi-thread safe and pro ...
Skylights not Updating in Blueprint Viewport
UE - Graphics Features - Sep 26, 2016When modifying the properties of a Skylight actor as a component within Blueprints, the changes are not reflected in the Blueprint viewport. If you drag the blueprint into an empty scene and modify ...
Frame 0 event does not get triggered when using SetPlaybackPosition
UE - Anim - Sequencer - Apr 17, 2018An event at frame 0 of a sequence does not seem to get called when using "SetPlaybackPosition 0" to reset the playback position to the start. This seems to be a regression. 4.17.2, the frame 0 even ...
Copy/pasting a Custom Event that has input names containing spaces will create a Custom Event with extra inputs
UE - Gameplay - Blueprint - Feb 4, 2015Copy/pasting a Custom Event that has input names containing spaces will create a Custom Event with extra inputs. It appears that an input name with a space in it will be copied as two inputs, the fi ...
UV Layout Changes on export from Engine to Maya and Max
UE - Editor - Content Pipeline - Import and Export - Jan 19, 2015The UV layout of a Mesh is altered slightly when exported from the engine. It becomes more noticeable on objects as their UV Islands shrink in size. Given a default full 0-1 unwrap it looks like t ...
Landscape Grass Output Instances begin to float when using the Retopologize Tool
UE - LD & Modeling - Terrain - Landscape - Mar 14, 2017When using the Retopolgize tool on a landscape that is utilizing the Landscape Grass Tool, any pre-existing grass types will begin to float and transform their locations. The only way myself and th ...