Unreal Engine Issues
Unreal Engine Issues
ChaosWheeledVehicleMovementComponent is breaking the const CDO contract and changes to the instances are being applied to the CDO
UE - Simulation - Physics - Apr 28, 2025As described by the licensee, the const CDO contract is being broken on ChaosWheeledVehicleMovementComponent. The issue the licensee is facing is that by spawning cars with different configurations, ...
Extremely long Spline Point will cause the editor to lose FPS
Tools - Nov 13, 2015Extremely long Spline Point will cause the editor to lose FPS and crash some machines User Description: A couple of times I've accidentally scaled a spline node to be huge, causing the spline to ...
Copying and pasting a component inside of an actor blueprint that has be duplicated and then added to the scene will prevent saving
UE - Gameplay - Blueprint - Mar 18, 2015If a user copies and pastes a component that is inside of an actor blueprint that has been duplicated and then the user adds this new actor blueprint to the scene it will prevent the user from being ...
Nodes impacted by code changes do not generate warnings after HotReload
UE - Gameplay - Blueprint - Oct 20, 2016I noticed this while executing https://jira.it.epicgames.net/browse/UEQATC-1441. At step 10, there should be warnings on the nodes that were updated by the HotReload. This is a regression from 4.13 ...
Poses do not intially show up in pose tab in Persona
OLD - Anim - Oct 4, 2016The pose asset list does not update unless Persona is closed and opened or if the user searches in the search bar. This is a regression from 4.13.2 Same thing as this old bug: https://jira.it.epic ...
Calling FAudioDevice::StopAllSounds from UEngine::CommitMapChange asserts
UE - Audio - Jan 5, 2017Per https://udn.unrealengine.com/questions/329261/stopallsounds-fails-check-with-level-streaming.html The audio threading work missed a case where an audio thread only function was being called fro ...
Creating multiple Scalar Parameter nodes with a different values will crash the editor
UE - Rendering Architecture - Materials - Mar 11, 2020This is a regression from 4.24.3 CL 11590370 This was discovered when ad-hoc from home I ran into this by running this set up https://docs.unrealengine.com/en-US/Engine/Rendering/Materials/HowTo/Cle ...
Shader complexity mode reportedly broken on Vulkan
UE - Rendering Architecture - RHI - Mar 23, 2021Shader complexity reported (on AH) broken on Linux since 4.25. No local repro attempted. https://answers.unrealengine.com/questions/1019826/shader-complevity-view-mode-is-completely-broken-s.html ...
Update right click context menu in CL window to use the shared content browser asset context menu
UE - Editor - Workflow Systems - Dec 1, 2022We should update the SCC right click menu to match the content browser, standard menu in the CL window for consistency and to reduce duplicated code. https://github.com/EpicGames/UnrealEngine/commi ...
SplineMeshActors all share the first spline placed rather than their own spline when using the mobile renderer.
UE - Graphics Features - Nov 17, 2023SplineMeshActors all share the first spline placed rather than their own spline when using the mobile renderer. This was first reported in this UDN: https://udn.unrealengine.com/s/question/0D54z0000 ...