BP - Editing defaults on a nested subobject of a component inherited from a native parent class won't preserve those defaults when the BP is instanced.

UE - Gameplay - Components - Jan 19, 2017

I think the issue is that in GetInstancedSubobject() (CoreNative.cpp), the following bit of code is not considering that the instanced subobject might be outered to another instanced subobject withi ...

Modifying ShooterGame header file for faster compiling causes crash behavior.

UE - Foundation - Core - Jan 11, 2019

Using bFasterWithoutUnity and MinFilesUsingPrecompiledHeaderOverride, on ShooterGame.Build.Cs results in Engine crash. ...

Editor crash when using Animation BP pose watch

OLD - Anim - Apr 7, 2020

We encountered a crash when using Anim BP Pose Watches to inspect poses on actors in a PIE instance. Specifically it seems ending the PIE session while the Anim BP is still watching the actor in the ...

Low acceleration changes causes the object's velocity to nearly zero out.

UE - Simulation - Core - Apr 20, 2022

Low acceleration changes causes the object's velocity to nearly zero out. The range this seems to occur at for the Acceleration change is between the values of zero and approximately thirty. Repro ...

ObjectPivotPoint does not work with instanced Nanite meshes

UE - Rendering - Architecture - Materials - Nov 17, 2022

Regression: Nanite Foliage is a new feature in 5.1, so this issue is not reproduceable in 5.0. Notes about this new support can be found under Nanite Improvements in https://docs.unrealengine.com/5. ...

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 ...

Nanite shadow issue in commandline rendering

UE - Graphics Features - Nov 28, 2023

YCoCg to sRGB?

UE - Niagara - Rendering - Mar 20, 2024

Both the material and the Niagara compute shader use the same function to interpret the YCoCg color data, but the Niagara compute shader returns an incorrect color. Also found on CL: 32347737 in Re ...