Unreal Engine Issues

Stationary Spot Lights in Forward Rendering Incorrectly with PerVertex NonDirectional Translucency

Stationary Spot Lights in Forward Rendering cause artifacts when lighting transluceny set to Volumetric PerVertex NonDirectional. When the camera is moved around the object, the lit vertices flicker ...

CSM has artifacts if shadow distance less than 2000

Assert on PIE in TM-ShaderModels: GD3D11RHI->GetQueryData(Query->Resource, &Query->Result, sizeof(Query->Result), Query->QueryType, true, false)

Hit a crash attempting to PIE. I then attempted to run with -d3ddebug but the crash stopped and has not occurred since. I was not able to reproduce this on a default level, only TM-ShaderModels On ...

Particle systems have frame rate dependent simulations when Min Time Between Ticks is set, and ticking is managed

Managed ticking when combined with Min Time Between Ticks will cause particle velocity to vary depending on frame rate. ...

Instanced Static Mesh instance with negative scale has black lighting

[Image Removed] The image above was the results after building lighting.The far right spheres all have negative scaling(-1 on Y) and reverse culling checked and are instanced.The middle set of sphe ...

UUserWidget Parameter in blueprints appears to set the parameter value back to the default value on compile

Modifying the default value of a UUserWidget parameter declared in a c++ in blueprints appears to have no effect after compiling. The default value will reset back to "none". Additional info. The ...

UForceFeedbackEffect is only making slight vibration in iOS when value rises from 0 or effect is started.

UForceFeedback is expected to give vibration just like in the graph of the asset. But only in iOS it is not. It is expected to give continuous vibration following the forcefeedback asset, but only ...

Fail to save level with a Blueprint component containing User Data

Set World Origin on a Dedicated Server causes Pawn Stuttering

Setting the World Origin after enabling Multiplayer World Origin Rebasing in the Project Settings causes the Pawn to flicker on movement. Tested in 4.21.2 (CL - 4753647), 4.22.2 (CL - 6574378), 4 ...

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