Unreal Engine Issues
Unreal Engine Issues
Changing foliage quality during runtime crashes editor/game
UE - World Creation - Worldbuilding Tools - Foliage - Oct 25, 2017Editor will crash if a foliage type has Enable Scaling Density checked and user changes Engine Scalability Setting for Foliage during Runtime. Alternatively, if Foliage Quality is changed using a B ...
Vertex Painting changes collision complexity if the asset is saved while vertex painting
Tools - May 12, 2016Vertex Painting changes collision complexity if the asset is saved while vertex painting. The collision change is set to "Use Complex Collision as Simple". If this is intended functionality there sh ...
GPU Particles Don't Spawn at Correct Location When Used as Collision Event Receiver
UE - Niagara - Oct 8, 2018GPU emitter doesn't spawn particles at expected location when it is an event receiver. Also disabling Interpolate Spawning in the emitter properties affect this behavior as well, making the particle ...
Particle light flickering with certain Post Process Settings
UE - Graphics Features - May 23, 2016Particle lights cause flickering when using either FXAA or no AA, but turns into black squares on the screen when you enable Gaussian Blur Regression: Yes, does not occur in 4.10 ...
ARCore plugin missing 'tools' components
UE - Platform - XR - Jul 28, 2018https://forums.unrealengine.com/development-discussion/vr-ar-development/1494917-ue-4-20p4-arcore-image-database-cannot-build/page2 Bo Pang from Google writes: "I think there are two issues here: 1 ...
The 'Add Movement Input' node no longer functions on a Default Pawn
UE - Gameplay - Apr 1, 2015The 'Add Movement Input' node no longer functions on a Default Pawn. This worked in 4.5.1 & 4.6.1. ...
[CrashReport] UE4Editor_Core!FName::GetDisplayNameEntry() [unrealnames.cpp:894]
UE - Rendering Architecture - Materials - Sep 14, 2017This is a somewhat common crash in 4.17.1. This same callstack appeared a few times during 4.11, but then has not been seen until recently. Users have not provided any descriptions of their action ...
Vulkan leaks memory when opening and closing windows
UE - Rendering Architecture - RHI - Nov 22, 2019As described here: https://udn.unrealengine.com/questions/532725/index.html (1) Start Prebuilt Vanilla 4.23.1. with Vulkan enabled (2) Create a new project (3) Drag and drop the Sphere from “modes ...
Vehicle physics are resolving erratically and causing random jitter/flips in the Advanced Vehicle Template
UE - Simulation - Physics - Nov 16, 2016When a vehicle is on an uneven surface, the physics that are handling where the wheels should be placed is resolving sporadically, causing noticeable jitters and sometimes flipping. Regression?: Ye ...
AI characters float above the ground only when in a packaged project
UE - Gameplay - Nov 4, 2014The users AI characters will work correctly while in PIE & Standalone Mode but when in a packaged project they will float above the ground. This was working correctly for the user in 4.4.3 but the ...