Unreal Engine Issues
Unreal Engine Issues
Unable to package for Linux with exceptions enabled
UE - Platform - Linux - Oct 9, 2018Licensee's project requires the bEnableExceptions flag to be set to true in the Build.cs file. The build compiles for Windows, but when attempting to package for Linux they get these errors: Proce ...
Assign Event On Destroyed no longer creates Custom Event Node
UE - Gameplay - Blueprint Editor - Oct 9, 2018When creating a new Blueprint Class based on an Actor parent, If you navigate to the Actor's event graph, and right click on the editor blank space; type "Assign on Destroyed" and select "Assign ...
TimeSynth when reactivated doesn't continue playback from where it was deactivated
UE - Audio - Dec 9, 2019This issue only occurs with -audiomixer passed into the Engine (4.23) and in 4.24/4.25 where it is enabled by default. The user tried deactivating and reactivating Time Synth component to pause it ...
Landscape Tool crashes on Layer Import
UE - LD & Modeling - Terrain - Landscape - Mar 12, 2020The heightmap and weightmaps were created using Terresculptor, and exported in the correct format. If you import everything except the layermaps, the landscape is generated and the layers can be pai ...
Collision profiles are reset when blueprint is loaded
UE - Gameplay - Jan 6, 2025In UE 5.5 (and earlier versions), FCollisionResponse::operator== has incorrect behavior where it will detect that two collision response containers are identical if they have the same number of entr ...
Character jumping can become permanently blocked under subpar net conditions
UE - Gameplay - Player Movement - Dec 8, 2023Problem Under laggy networking conditions, if the user rapidly presses the jump button the character can at some point stop responding to jump input. Initial Thoughts It looks like there's a logi ...
Large Memory Allocations When Adding a Landscape_WaterBrushManager
UE - Graphics Tools - Terrain - Mar 17, 2025When a "Water Body River" is added to a Scene with a Landscape, eleven Render Targets are allocated for the water rendering. These Render Targets are sized according to the resolution of the Landsca ...
Vehicle Template with Thruster Configuration will be affected by force relative to the distance from the origin
UE - Simulation - Physics - Mar 18, 2025Vehicle Template vehicle with added Thruster Configuration to its VehicleMovementComponent will be affected by force relative to the distance from the origin. At around 200000 the force is enough to ...
Issues changing physics properties on destructible meshes
UE - Simulation - Physics - Destruction - Oct 15, 2015Numerous issues when manipulating destructibles. 1) Changing collision response pre-fracture will not affect chunks post-fracture 2) Changing collisions response pre-fracture will prevent damage f ...
Playing sequences in reverse snaps after sequence has first ran
UE - Anim - Sequencer - Dec 29, 2016I first came across this bug when I was working with Actor Sequences and noticed that the door I had opening would snap back when I tried to close it. Later I discovered that the issue was with play ...