Unreal Engine Issues
Unreal Engine Issues
DrawBoxSweeps does not fully account for rotation
UE - Simulation - Physics - Apr 3, 2019DrawBoxSweeps does not account for box rotation when drawing lines between swept vertices, leading to disconnected debug visuals. ...
STAT GPU console command makes the editor unresponsive
UE - Foundation - Core - Mar 30, 2018Running the stat GPU command causes the editor to hitch for a period of time. ...
Throbber widget could eat up all of your RAM
UE - Editor - UI Systems - Jan 22, 2015A user has reported that they could BSOD (Blue Screen Of Death) their computer by putting in 999999999999 as the number of pieces for the throbber widget. While I was unable to produce this on our s ...
FSkeletalMeshMerge::CalculateLodCount calculates minimum LODs improperly
UE - Gameplay - Aug 23, 2016CalculateLodCount tries to bound the output LOD count as at least one (count >= 1), but actually bounds it as no more than 1 (count <= 1). Just need to change a FMath::Min to FMath::Max. ...
Deferred movement updates don't respect the bTeleport flags
UE - Simulation - Physics - Jun 17, 2015FScopedMovementUpdate needs to be aware of the bTeleport flags used in the MoveComponent call. This could get complex when there is a mix of teleport and non-teleport. ...
FPhysicsInterface_PhysX::LineTrace_Geom fails for welded bodies
UE - Simulation - Physics - Aug 2, 2019FPhysicsInterface_PhysX::LineTrace_Geom does not properly respond to welded child bodies. ...
High GPU usage in UE5 in comparison to UE4
UE - Graphics Features - Jul 23, 2021It seems that GPU usage in UE5 has dramatically increased in comparison to 4.26. A simple First Person Template with a Landscape created with default settings and a few hills sculpted onto it, cause ...
When Sweeping a sphere over a heightfield or trimesh when the sphere is in initial overlap we don't get the exact correct hitpoint. It seems to be the nearest vertex to the hitpoint instead
UE - Simulation - Physics - Query - Aug 17, 2023Crash when quitting the editor with VR Mode enabled
UE - Editor - Workflow Systems - May 25, 2017Qutting the engine with VR Editor on causes a crash. I could not determine a way to close the VR Editor internally so I terminated the Project by using the Desktop. Many users among the community ...
Limited Number of Allowed Spawned Decal Actors
UE - Graphics Features - Jan 26, 2015There is a relatively small number of decal actors which can spawn before all previously spawned decal actors disappear. Also Reproduced in 4.7 Preview 4 and Main Promotable-CL-2412886 ...