Unreal Engine Issues

Crash on launch from executable after upgrade from 4.7.3 to 4.7.4 (CachedAssetRegistry.bin corruption).

A user is reporting a crash on launch when launching from the executable rather than the Launcher. User did not have the problem in 4.7.3. No logs or additional information was provided beyond this: ...

When a fixed delta time step of 0.02 or higher is used with some skeletal mesh objects, rotational forces applied using AddTorque have no affect on the skeletal mesh.

Using AddTorque to apply a rotation to a skeletal mesh does not always provide the expected results if a fixed time step is being used. When doing this to the Owen character in the Content Examples ...

Volumetric Translucent Shadow not showing in game mode

Volumetric Translucent Shadow not showing in game mode for versions 4.23-4.25.  Reported and tested in versions 4.25.3(CL 13942748), 4.24.3(CL 11590370), 4.23.1(CL 9631420), 4.22.3(CL 7053642). Wor ...

Setting inherited variables in child blueprint crash editor

PIE without compiling child blueprint (3rdSpiderPawn in example) that is attempting to affect an inherited variable will crash the editor. Additional Information: User has several cast to nodes ca ...

Regression: Several project settings, especially from built-in Plugins, are being silently erased when previously they were not, which is perceived as a bug

In UE's Project Settings, some pages are saved automatically to the project's "Config/Default<CATEGORY>.ini" file (meant to be version-controlled) on every change. Other pages have buttons "Set as D ...

Can not affect "r.SetRes" command in editor new window

When playing in "New Editor Window" mode, entering the r.setres command does not change the screen size. This worked in UE4.27, but no longer works in UE5.0. ...

Nanite meshes are lit differently in Actor Colorization view modes than non-Nanite meshes

When the Lit > Actor Coloration > Affects Navmesh or other Actor Coloration mode is used, Nanite meshes apply lighting differently than non-Nanite meshes which can make it difficult to use the Actor ...

Unexpected Changes in Saturation/Contrast of Colors when upgrading project to 4.15

When upgrading a project to 4.15 (in my case from 4.14.3), the colors seem to have shifted in contrast/saturation. It is not a huge difference, but noticeable enough to affect the overall result of ...

Skylight has too much influence on Subsurface Scattering

Users on the AnswerHub are reporting that Skylights have too much effect on Subsurface Scattering. The argument here seems to be Movable Skylights versus Static/Stationary and their results regardi ...

NullNetworkReplayStreamer::tick cost much more time in 4.22 when record replay