Sequential Level Loading in Python causes Crash

UE - Editor - Workflow Systems - Apr 16, 2019

Loading all the levels selected in the Content Browser and running the aforementioned Python script causes the editor to crash Tested in 4.20.3 (CL - 4369336), 4.21.2 (CL - 4753647), 4.22 (CL - 5 ...

Foliage and Static Mesh Actor Distance Field Shadows Incorrect after Manually Shifting World Origin to New Location

UE - World Creation - Worldbuilding Tools - Foliage - Apr 19, 2019

Foliage and static mesh actor distance field shadows incorrect after manually shifting world origin to new location. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, 4.23 CL# 5974510 ...

Virtual Texturing causes crash

UE - Graphics Features - Jul 29, 2019

Virtual streaming a 4K texture and setting the max texture size to 2048 causes the engine to crash. Tested in 4.21.2 (CL - 4753547), 4.22.3 (CL - 7053647), 4.23 (CL - 7445012), 4.24(CL - 7646041) ...

Adding Niagara system to a projectile causes a crash

UE - Niagara - Jul 29, 2019

Adding a Niagara system to a BP_Projectile in a C++ First Person Project  and then restarting it causes the editor to crash. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 (CL - 744 ...

Set Component Tick doesn't work on Cascade Particle Systems

UE - Niagara - Jul 31, 2019

Changing the Component Tick Interval via Blueprints has no effect on Cascade particle system components. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 P3 (CL - 7445012), 4.24 (CL - ...

First Person Template content is not available to be added to another project

UE - Content - Feature Pack - Nov 12, 2021

First Person Template content cannot be added to another project through the "Add Feature or Content Pack" function. This occurs in both 5.0-Early Access 2 and 4.27.1 Tested in //UE4/Release-4.26 ...

Unable to copy tracks from UMG animation to another animation

UE - Anim - Sequencer - Jan 27, 2023

In UE5.0 it was possible to paste Tracks from one Animation to another, but from UE5.1 this fails with the message "Can't paste section. No selected tracks to paste sections onto". The attached pro ...

Create a Material Editor node that exposes the VertexID

UE - Rendering Architecture - Materials - Feb 20, 2023

A UDN user has requested that we expose the VertexID as a Material Editor graph node. According to a brief thread with [Link Removed] , this is a useful feature to add. https://udn.unrealengine.com ...

Automation Wait for Loading node crashing with fatal error in shipping build

UE - Automation Test - Jun 8, 2023

Using the Automation Wait for Loading node in a shipping build causes a fatal error when the node is called. This issue is occurring in Binary  //UE5/Release-5.2 @ CL 25360045  This issue is occur ...

[AI] AgentToNavDataMap still contains entries when cleaning up navigation system

UE - AI - Navigation - Jun 10, 2024

The navigation system has errors in the log for agents still being mapped to navigation data in CleanUp. This appears to stem from agent step height being recalculated in ARecastNavMesh::SetConfig i ...