Unreal Engine Issues

Meshes simulating physics cannot roll smoothly across multiple connected meshes

A user has reported a physics regression from 4.19 to 4.20 where attempting to roll a static mesh down a slope made of multiple meshes no longer results in a smooth roll. The static mesh will skip a ...

Hot reload causes placed actor to lose variable references

Preforming a hot reload causes placed actors to lose code based variable settings. More repro steps: 1. Open UE4Editor.exe 2. Create a First Person Code project 3. Build the project for Developme ...

Generate Project files does not add Intellisense include paths for .generated.h files

Attempting to open a .generated.h file using intellisense results in an error due to the file not being found as the proper search file paths were not added when generating the project files. Pleas ...

Visual Studio opens unnecessary windows when adding a new C++ class via the editor's interface

When adding a new C++ class to a project via the editor's interface, Visual Studio is opened but it ends up opening more than is necessary. Firstly, Visual Studio is opened without focus on the two ...

Crash due to D3D device being lost. (Error: 0x887A0006 - 'HUNG')

This JIRA has been made to consolidate all "D3D device being lost. (Error: 0x887A0006 - 'HUNG')" crashes into one. Previous Jira tickets include:[Link Removed][Link Removed][Link Removed][Link Remo ...

BSP Converted to Static Mesh with Multiple Materials Will Only Show Element 0 After Migrating and Changing LOD Settings

Blueprint Function Reorder displays error tooltip when trying to reorder functions

There is an issue when attempting to reorder blueprints where Blueprint Function Reorder displays error tooltip when trying to reorder functions. In previous engine versions, functions could not be ...

In a listen server, when a client moves, anim notifies don't get fired for the server/host.

Reproduced 3/3 times. Was not able to reproduce in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. ...

UMG Background Blur renders black on Android

Tested on Nexus 6P with Android 7.0 Suggest that on mobile the background is not rendered in real time, instead we render the blurred image for one frame and use that same image for subsequent fr ...

Replicated Movement doesn't replicate itself to all clients on Dedicated Server

This is a regression from 4.19.2 (CL-4033788). The pawns aren't replicating their own movement on their clients, but they are replicating on the clients of other pawns. This was reported and teste ...