GPU specific issue with Lighting while moving - GTX 770

UE - Graphics Features - Apr 26, 2017

While testing GPU - ContentExamples - Lighting - Nvidia gtx 770 in the 4.16 GPU Compat Pass, I noticed a strange effect on lights while the player is in motion. I've had multiple people attempt to ...

Changing foliage quality during runtime crashes editor/game

UE - World Creation - Worldbuilding Tools - Foliage - Oct 25, 2017

Editor 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 ...

When using Blueprint Update Camera, New Camera FOV is taken into effect even if Return Value is false

UE - Gameplay - Oct 30, 2017

In a Player Camera Manager Blueprint, when overriding the function BlueprintUpdateCamera, the New Camera FOV value takes effect regardless of whether Return Value is True or False. The New Camera Lo ...

Applying Clothing Data Causes Mesh Vertex Color to Turn Black (or crash)

OLD - Anim - Jan 3, 2018

-When a clothing asset is applied to the mesh, the vertex color(s) change to solid black -Can be removed by right click Remove Clothing Data -Crashes in Main-4.20 -Can't be tested in 4.17.2 due t ...

Can't import FBX animations

Tools - Jul 23, 2018

When importing Animation FBX files into 4.20 the following error is received: "Failure to Import - Mesh contains root bone as root but animation doesn't contain the root track." The importing proce ...

Physics replication is not working correctly and clients receive different results

UE - Simulation - Physics - Aug 9, 2018

Physics replication is not working properly. The replicated physics are different than what is on the server. The user who reported this issue pointed out this line as well which seems to not do any ...

All ELinearConstraintMotion pins in BP reset to "Free" when converting a project to 4.26

UE - Simulation - Physics - Feb 24, 2021

When using any of the Set Linear Limit nodes (X/Y/Z) and converting a project from a previous version of the engine, the nodes get their Constraint Type value reset to Free. I tested this with proje ...

Game View renders Lights with Actor Hidden In Game enabled

UE - Graphics Features - Dec 6, 2022

This is not a regression. Tested in both 4.27.2 and //UE5/Release-5.0 CL20979098 Game View renders Lights with Actor Hidden In Game enabled. Documentation states: "...the Viewport to display the sc ...

Spherecast against complex geometry is returning odd results

UE - Simulation - Physics - Sep 19, 2023

Turning on batching of sphere casts when colliding against complex gives incorrect results. Affects debug output and vehicle wheels and body movement. The issue is with the batch query mode which ...

Adding ProceduralMeshComponent Class to a project prevents the code from compiling

UE - Gameplay - Aug 5, 2016

After adding a classed based on ProceduralMeshComponent the code for the project does not compile any longer. **This is a Regression - Adding ProceduralMeshComponent class would compile successfull ...