Crash Occurs When Attempting to Resume Execution After Hitting a Breakpoint in a BT Task

UE - Gameplay - Oct 6, 2017

When a breakpoint is hit in a BT Task, if you attempt to use CTRL+P to search for and open the BT the task is being run in, try to resume execution, and then return to the original BT Task Blueprint ...

Set relative location in construction script does not work when value is [0, 0, 0]

UE - Gameplay - Blueprint - Dec 11, 2017

The Set relative location in construction script does not work when the value is [0, 0, 0] when used it does not set the location back when the specified component is moved, it does work for any val ...

Win64 - Unplugging audio device causes game to freeze

UE - Audio - Nov 30, 2017

Win64 - Unplugging audio device causes game to freeze. Log is spammed with messages like the following after the device is removed:[2017.11.30-19.38.32:716][386]LogAudio: Warning: Waited 69.495094m ...

TransformVector node break compilation material instance but primary material is successfully compiled

UE - Graphics Features - Jan 31, 2018

There is an issue occuring where TransformVector node break compilation material instance but primary material is successfully compiled. When using a custom node to set the value this node intends t ...

Iterative Cook does not only cook new content from Unreal Frontend

UE - Foundation - Core - Cooker - Jun 14, 2018

Using iterative cooking should only cause new or changed content to be cooked but in the Unreal Frontend, content is cooked every time, despite nothing being added or edited. Logs from two subseque ...

Changing particle system template via Blueprints crashes Editor and packaged game

UE - Niagara - Apr 4, 2019

Setting a ParticleSystem component in a Blueprint to none/null with a "Set Template" node causes the editor and the packaged project to crash. I have noticed this when migrating my game to 4.22, whi ...

Skeletal Meshes load unused textures into memory from hard referenced assets. (Skeleton, Physics Assets)

UE - Foundation - Core - UObject - May 1, 2019

Physics Assets & Skeletons referenced by the skeletal mesh will load materials & textures from their default skeletal meshes into the statistics window. Either the statistics window is incorrect abo ...

Moving assets in the Editor fails to fixup references causing the project to generate errors

Tools - Mar 30, 2020

Moving assets in the Editor is very unreliable. References may or may not be fixed up. No direct error is presented or a warning about problems. Any moves of the gameinstance, string table or certai ...

Collision settings of an Instanced Static Mesh setup in the Construction Script are not preserved when the Actor is added to an Instanced Level

UE - Framework - Components - May 23, 2022

Tested in //UE4/Release-4.27 CL 18319896 using Level Streaming the camera was ignored by the ISM_Cube. Collision settings of an Instanced Static Mesh setup in the Construction Script are not preser ...

Copying a copied 5.0 project into 5.1 does not rename project folder as expected

UE - Editor - Workflow Systems - Nov 21, 2022

I was able to reproduce this issue 4/4 times, and initially started in version 4.26 to determine if this issue was a regression or not. When copying a 4.27 copied project into 5.0 or 5.1, the 4.27 w ...