Unreal Engine Issues
Unreal Engine Issues
Landscape Tessellation Issues
UE - LD & Modeling - Terrain - Landscape - Sep 23, 2019We are having a display issue with tiled landscapes displaying well below full tessellation in editor, but displaying fine in game. We can "fix" this issu by unchecking "Use Default Falloff" in deta ...
SetCollisionEnabled shouldn't check owner
UE - Simulation - Physics - Nov 8, 2019Attempting to set the collision of a component to NoCollision while the actor's collision is disabled will prevent the component's collision from changing. This is because of the early exit in UPrim ...
Loading levels imported with World Composition's Import Tiled Landscape option from a level without World Composition enabled loads landscape components a World Origin
UE - World Creation - Worldbuilding Tools - World Composition - May 6, 2020Landscapes created with Import Tiled Landscape are loaded at the World Origin when loaded in a level without World Composition enabled. Enabling World Composition in the second level fixes this iss ...
ShooterGame clients can fail to connect to a server under packet loss when network encryption is enabled
UE - Networking - Jul 17, 2020ShooterGame demonstrates the issue where when encryption is enabled, if the (unencrypted) EncryptionAck message is dropped, the resent messages will be encrypted since the server has enabled encrypt ...
MoviePipeline: Python Editor example can double-up objects in-scene
UE - Anim - Sequencer - Jan 4, 2022See the UDN for sample project. This is caused by the Editor Python sample not using the UMoviePipelineQueueSubsystem, which (when rendering) blocks the Sequencer from auto-binding to PIE. The fix ...
Building Packed Level Actors causes references to break in the Packed level Actors' Blueprints
UE - World Creation - Worldbuilding Tools - Level Instances - Oct 27, 2022This is not a regression. Tested in //UE5/Release-5.0 CL 20979098 Building Packed Level Actors causes references to break in the Packed level Actors' Blueprints. Rerunning the Build > Pack Level Ac ...
Renaming a level containing Text3DComponent can cause crash
UE - Virtual Production - Jan 6, 2023BuildTextMesh function queued as AsyncTasks may be called during saving (renaming) a level containing Text3DComponents. The following workaround fix the problem. void UText3DComponent::BuildTextMe ...
[AI] Stack overflow in canRemoveVertex of DetourTileCacheBuilder
UE - AI - Navigation - Sep 28, 2023User reports of stack overflow happening in canRemoveVertex in DetourTileCacheBuilder.cpp if a poly has more than 16 vertices. The array for edges is a fixed array and is written to without checking ...
Gameplay Debugger does not currently support basic input chords
UE - Gameplay - Input - May 21, 2024A note from the user, seems like they have a fix for this already I've changed the type of UGameplayDebuggerConfig::ActivationKey to FInputChord and with ony small changes to surrounding code it ...
Cut & Paste in Sequencer breaks with Attach track
UE - Anim - Sequencer - Jan 15, 2025Cutting two tracks in sequencer, which one is attached to another one, and pasting it break with Attach track. By this operation, Attack track loses its binding object. Copying such tracks and paste ...