Volumetric Material not compiling on Niagara Mesh Renderer

UE - Niagara - Sep 1, 2020

The Volumetric Shader seems broken when used along the Niagara Mesh Renderer. Reported and tested in version 4.25.3(CL 13942748). Tested with same result in version 4.24.3(CL 11590370). ...

Get Constraint Force node always returns a magnitude zero vector

UE - Simulation - Physics - Solver - May 4, 2022

Get Constraint Force node always returns a magnitude zero vector. Repro Rate: 3/3 Tested this in //UE4/Release-4.27 @ CL#18319896 and was able to get the constraint force, it is a regression. ...

Cloth simulation breaking after scaling > 10

UE - Simulation - Physics - Character - Jan 4, 2023

Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. Simulation appears to work fine when scaled by 10, but any higher and it starts to mis ...

Spawnable Post Process Volume does not draw bounded values after saving and reopening a level

UE - CoreTech - Jul 19, 2024

Reproduction Attempts: 3/3 Doing some additional testing for Spawnable Post Process Volumes in a level sequence, the PPV does not appear after saving the level and level sequence, closing and reope ...

Construction script is running more than once when hitting the compile button

UE - Gameplay - Blueprint - Apr 20, 2015

When the compile button is pressed the construction script will run 3 times. ...

Media Player can't continue to play after the progress bar is dragged.

UE - Media Framework - Nov 15, 2023

This bug occurs in 5.3 version. It's ok in 5.2 version. ...

The layer option for grid panels do not appear to be having an effect on draw order

UE - Editor - UI Systems - Feb 1, 2016

It appears that users are unable to order widgets within a grid panel so as to set what widget that would like to be in the front. The layer option in the details panel says that it affects draw ord ...

[CrashReport] Fatal error: Cast of nullptr to Actor failed - UE4Editor_CoreUObject!CastLogError()

Tools - Jul 19, 2017

This is a common crash affecting users in 4.16, and has been occurring since at least 4.14. It has affected more than 400 unique users, unfortunately they have provided little information. User Des ...

Orientation Warp Node Missing from ABP_Manny BP After TPS C++ Project Restart

UE - Anim - Gameplay - May 10, 2022

Occurs 3/3 times. Orientation Warp plugin is missing from ABP_Manny BP in the TPS C++ project after project restart.  Regression does not occur: Animation Warp plugin is not available in //UE4/Rel ...

The Build Nanite property is disabled after reimporting a mesh that has Build Nanite enabled

UE - Editor - Content Pipeline - Import and Export - Jun 23, 2022

Regression no, the issue was reproduced in Windows //UE5/Release-5.0 CL 20280985 repro rate 3/3 After the user tries reimport mesh with nanite enabled from mesh editor the mesh was reimported with ...