Unreal Engine Issues
Unreal Engine Issues
AI Perception Hearing Sense Successfully Sensed Returning False
UE - AI - Jun 2, 2016AI Perception Hearing Sense is returning false for successfully sensed, even when a Noise Event is being reported. Found in 4.12 binary. Reproduced in 4.11.2 binary. ...
Anim Dynamic state does not reset when closing sequencer
UE - Anim - Sequencer - Apr 1, 2019When using Anim dynamics in an animation. The actors affect stop in their current state once the sequence controlling the anim dynamics is closed. They do not appear to reset to their default state ...
Incorrect values from NAND node with 3 inputs
UE - Gameplay - Blueprint - May 2, 2017The values printed from the nand boolean node display incorrect values for the specific set-ups with 3 inputs that are in the repro steps. The node works as intended with 2 inputs, and with some of ...
HLOD build fails depending on the value of Loading Range in the World Settings
UE - World Creation - Worldbuilding Tools - HLOD - Jun 14, 2022HLOD actors are generated on the outliner, but no geometry is generated. An error occurs in the output log. ...
nDisplay - UMG widgets sync
UE - Virtual Production - nDisplay - Nov 9, 2019As soon as the widget was visible on the node/display at least once all nodes/displays receive the button press and correctly increase the counter. Therefore it seems like the widgets are only initi ...
First four landscape tools are not accessible in VR Editor Mode
UE - Editor - Workflow Systems - Jan 8, 2018Tested in Oculus. Found in 4.18.2 CL 3794801, 4.17.2 CL 3658906. Not able to reproduce in 4.19 Main due to a crash upon launching VR Mode. Users are able to select any of the first four sculpt ...
Creating SplineMeshComponents along Spline causes crash
Tools - Aug 22, 2018Attempting to procedurally create SplineMeshComponents along the spline of a SplineComponent via a derived SplineComponent class's constructor causes the project to crash. It runs into an ensure mes ...
Mesh Reshape node with modified geometry from another skeleton explodes mesh.
UE - Anim - Mutable - Mar 31, 2026Using the mesh reshape node with seperate meshes produces a broken mesh. An example project: Most if not all clothes will be originally made to fit the Average Male body. I'm trying to morph a tu ...
If you add "All Nearby Spawned Actors" later, the first shot's animation will not be recorded.
UE - Anim - Sequencer - Jul 21, 2021If you replace steps 2 and 3 and add "All Nearby Spawned Actors" first, and then add the Source of "Level Sequence", the animation of the first shot will also be recorded. ...
Arithmetic assignment operators (e.g. +=, *=) in Niagara inputs are applied twice .
UE - Niagara - Jan 9, 2024Arithmetic assignment operators seem to be applied twice when committed in the Niagara stack. This occurs when entering *= 2.0 for example into a float input. This may be the result of the SNiagar ...