Unreal Engine Issues
Unreal Engine Issues
Destroying a welded actor is causing an Array index out of bounds crash on 5.6
UE - Simulation - Physics - Jul 30, 2025Destroying a welded actor is causing an Array index out of bounds crash on 5.6. The licensee has provided a repro project that reliably causes a crash whenever the spawned actor is destroyed. There ...
Widget 3D Component is not rendering on specific Android devices
UE - Platform - Mobile - Nov 20, 2015Widget 3D Component isn't rendering properly on the Samsung devices. I've tested on the Samsung Galaxy Note 2, Samsung Nexus S, Samsung Galaxy S3. I'm not having any trouble on the Nexus 5 though. ...
Editor freezes when using multiple Post Process Volumes with Cubemaps assigned
UE - Graphics Features - Jun 13, 2016When using a cubemaps assigned to a Post Process Volume and loading the level the editor will freeze if it's been a project converted from 4.11 to 4.12/4/13. In some instances if the camera is outsi ...
Precomputed Visibility no longer calculated on Landscapes
UE - LD & Modeling - Terrain - Landscape - Jun 24, 2015Placing a Precomputed Visibility Volume around or through a landscape does not seem to calculate precomputed visibility for that landscape. This is a regression from behavior in 4.7.6. Also Tested ...
NPC - Texture Sample DI does not work on Niagara Parameter Collections
UE - Niagara - Nov 8, 2023Texture sample DIs no longer work when used with Niagara Parameter Collections. This seems to affect Volume Texture DIs based on customer reports, but I have not confirmed this. ...
Broken Lines when Calling Draw Lines Function in Standalone Game
Tools - May 9, 2016Lines are not drawn correctly when calling the Draw Lines node in blueprints when playing in Standalone mode. Regression? Yes, I ran the same test in 4.9.2 and 4.10.4, and the issue did not occur i ...
Ambient Occlusion decals ignore Receive Decals setting on meshes
UE - Graphics Features - Feb 13, 2020Adding an ambient occlusion decal material to a decal affects objects with "Receives Decal" disabled. Tested in: 4.23.1 CL#9631420 4.25 CL#11341939 ...
Crash in Skeletal Editor due to null ActorFactory reference
OLD - Anim - Feb 1, 2017When a material is dragged/dropped into a skeletal editor's bone hierarchy, the editor will crash due to null ActorFactory Regression: Yes - Crash does not occur in 4.13.2 binary (CL 3172292) ...
Steam Controller and Xbox Gamepad both map to the first player
UE - Online - Aug 23, 2018If multiple Xbox gamepads are connected (even if mixing Xbox 360 and Xbox One), all is fine. Each gamepad maps to its own player controller. However, if a Steam controller and an Xbox gamepad are co ...
Sequencer XML generates wrong File Path for Image Sequence
UE - Anim - Sequencer - Sep 6, 2018Outputing Image Sequences like {shot}/{shot} _ {frame} .png for example, the xml file doesn't reflect the right path because it's referring to .avi files. We can't find and replace avi files in ...