Unreal Engine Issues
Unreal Engine Issues
Odd behavior when moving a large number of assets
UE - Editor - Content Pipeline - Content Browser - May 18, 2015User is experiencing his PC running out of memory when he does large move/copy operations in the content browser. There are a few issues with this process. The first is that attempting to drag any ...
If something is blocking the One File Per Actor file, you can delete the actor inside Unreal, but the file won't be deleted and will reappear after the map is reloaded.
UE - World Creation - Worldbuilding Tools - OFPA - Nov 14, 2022Licensee:Artist reported removed actors reappearing I suspect that file got loaded by something and tested what going to happen if you open a file for read I used python to test lock_file = R'C ...
SketchUp UV scale is not consistent for Datasmith imports.
TM - Interoperability - Dec 6, 2024This is not a regression. We have 2 issues here. First we have different tiling for the different materials, since the way sketchup handles texture scale. They scale the UVs of the object instead ...
GPU Particle Collision causes shaking when set to bounce with low resilience.
UE - Niagara - Jul 27, 2016A particle emitter with GPU sprites on certain settings will shake violently as they collide with the ground. This requires there to be a strong Const Acceleration module and Collision with low resi ...
Set Skeletal Mesh does not replicate or multicast to Clients
UE - Networking - Jul 5, 2019The Set Skeletal Mesh function does not replicate or multicast to other Clients. In Setup A (Level Blueprint) only the Sever Character is changed on either the Client or Server. In Setup B (ThirdPer ...
PIE with Auto Recompile Blueprints disabled generates an error message asking to compile PROTO_BP Blueprints
UE - Gameplay - Blueprint - Mar 17, 2015PIE with Auto Recompile Blueprints disabled generates an error message asking to compile PROTO_BP_Blueprint_0 and PROTO_BP_AnimBlueprint_0. Clicking Yes compiles, but any attempt to PIE thereafter g ...
GetKnownPerceivedActors doesn't stop calling when specified AISense should be forgotten
UE - AI - Mar 17, 2019There is a difference in implementation and set of checks that are made in GetKnownPerceivedActors() depending on if you use specific SenseClass or leave it as nullptr (so it will return info for al ...
Suspend/resume iOS Metal Crash on low end device with MTLCommandBufferErrorMemoryless error with lots of geometry
UE - Platform - Mobile - May 11, 2023The project was built in Unreal 4.27.2 binary from the Epic Games Launcher. At this stage we have only observed the crash on devices with a hardware combination of Apple A9 1.8 GHz and 2GB of Memory ...
Anim Graph will hang if the Draw Debug Sphere and Set node are connected and compiled
UE - Anim - Runtime - Anim Blueprints - Jun 8, 2023anim blueprint hangs when compiled. Probably a cyclic issue when compiling. A workaround is to add a delay of any time between the set node and the Draw Debug Sphere node. Repros in the following v ...
Auto Reimport crash with some file paths
UE - Editor - Content Pipeline - Import and Export - Dec 14, 2016Auto Reimport source paths can cause a crash with the editor. I couldn't narrow down in my limited testing what would cause the crash vs what would not with these file paths. The one in my attached ...