Unreal Engine Issues

Multiplayer Shootout fails to package properly

Attempting to package the Multiplayer Shootout example results in an error and the packaging attempt fails. The error can be found in the attached log. Regression?: No This occurred in 4.18 and 4.1 ...

Animations are stuttering in Game Preview Server window

When 'Run Dedicated Server' is unchecked and you run PIE with 2 or more clients, all client's animations are stuttering on Game Preview Server window. This does not happen when Run Dedicated Server ...

BuildCookRun fails to package if the -build parameter is used and debug symbols have not been installed in the binary Engine

Attempting to package a code project using BuildCookRun does not complete the package process successfully if the -build parameter is included. With the -build parameter included, the process fails ...

When asynchronously loading levels using the "Async Load Primary Asset" node, the dirty flag of the loaded level becomes Enable

Asynchronously loading a level that has one or more Actors using the "Async Load Primary Asset" node will enable dirty grug for that level asset. The cause is a modified code(CL-3764602) for the [L ...

An event with Soft Class Reference as an input that is not set causes package to fail with Nativization

Having a custom event with an empty Soft Class Reference as an input causes packaging to fail if nativization is enabled as the event nativizes with a const TSoftClassPtr<>& and the compiler cannot ...

Unable to use Steam Sessions with a source built editor from Github

Steam sessions are unable to be found in packaged games that use a source built editor from Github. According to users, this is related to the BuildId not being set properly so the packaged games ar ...

[CrashReport] UE4Editor_VREditor!AFloatingText::AFloatingText() [vreditorfloatingtext.cpp:99]

UPDATE This crash occurs when compiling shaders with a Floating Text asset in the level. Following the repro steps given above, the crash occurs each time opening the editor after forcing shaders to ...

r.SupportPointLightWholeSceneShadows Set to False Causes Crash When Trying to Place a PointLight

If you disable Support PointLightWholeSceneShadows and try to place a point light in a level the editor will crash.  Current work around is put shadows to low from engine scalability settings. Wor ...

Add Curve via Anim Modifiers not working

Toggling off the Gameplay Filter Tag causes all Content assets to be shown

Toggling off the Gameplay Filter Tag causes all Content assets to be shown in the Content Browser. This reported and tested in 4.19.2 (CL-4033788) and tested in 4.20 (CL-4212847) and Main 4.21 (CL- ...