Crash occurs when creating a New Level from the Levels window while it is pinned to the side bar

UE - World Creation - Worldbuilding Tools - May 2, 2022

An assertion occurs when creating a New Level from the Levels window while it is pinned to the side bar. ...

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 - Gameplay - 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 ...

Installed builds of the Engine cannot package game targets with optional game features

UE - Foundation - Build - Rocket (Installed Engine) - Mar 10, 2022

The build system supports many types of flags that can be enabled in game-specific Target.cs files to enable things like logging in shipping, target-specific overrides like custom config, or enablin ...

If something is blocking the One File Per Actor file, you can delete the actor inside Unreal, but the file won't be deleted and will reappear after the map is reloaded.

UE - World Creation - Worldbuilding Tools - OFPA - Nov 14, 2022

Licensee:Artist reported removed actors reappearing I suspect that file got loaded by something and tested what going to happen if you open a file for read I used python to test lock_file = R'C ...

Adding Components via Editor Utility Widgets does not add component to Details panel

UE - Gameplay - Blueprint Editor - Nov 14, 2022

Using the Editor Utility Widget to add components to objects in UE does not appear to function as expected. I reproduced this 8/8 times in UE 5.1, 5.0, and 4.27, confirming that this is not a regres ...

Changing Shadow Quality causes SingleLayerWater Materials to disappear

UE - Rendering Architecture - Materials - Nov 15, 2022

Regression: Tested in UE5/Release-5.0, issue is reproduceable. This issue appears to be related to the Opacity Mask of the material, as not having an Opacity Mask does not cause the material to dis ...

Geometry Collection component in BP always visible

UE - Simulation - Physics - Destruction - Dec 1, 2022

Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. It's only through the Details panel that this happens; Geometry Collection visibility can ...

Using the "Keep World" scale rule can result in incorrect relative location when attaching actors

UE - Gameplay - Components - Dec 9, 2022

This seems to happen due to a precision error when calculating the relative transform between the socket and the component being attached. Occasionally, one of the transforms will have a scale of (0 ...

Getting Vector Parameter Values from a Dynamic Material Instance with 1 or more vector parameters returns an empty array

UE - Rendering Architecture - Materials - Jan 3, 2023

This is not a regression. Tested in //UE5/Release-5.0 CL20979098 The array for Vector Parameters isn't getting populated when called from a Dynamic Material Instance. ...

Recompiling blueprint actor in hidden sublevel, after reloading main level, detaches all its child actors

UE - World Creation - Worldbuilding Tools - Jan 4, 2023

Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. The repro steps are very specific for this; the core issue being that once the top lev ...