Unreal Engine Issues

Physics Substepping doesn't have the same effect from 4.15 to 4.16

Physics Substepping doesn't have the same effect from 4.15 to 4.16. In 4.16+ the ponytail in the provided project will have a jitter effect even with substepping enabled. This is a regression: Work ...

Simulated ability tasks not being cleaned up in UActorChannel::ReplicationMap

I've noticed the issue occurring in both 4.20.3 (CL 4369336) and 4.21.0 (CL 4541578). The user on AnswerHub has also noticed the issue in 4.20.2 (CL unknown) and claims the issue did not occur in 4. ...

No arm64 folder exists in plugins leading to an Error when packaging plugins

Regression: Checked in UE5/Release-5.0, the folder is missing from the plugin as well. This issue appears to be a problem with packaging the plugin itself, rather than packaging a full project. Pac ...

Always Relevant actor may replicate incorrect movement mode when the walkable floor becomes irrelevant

When the character class is set to always relevant, if a client travels very far away from another character, such that the character is relevant but the component they're standing on is not (but al ...

PakFiles: Unmounting PakFile while requests are still in progress causes assertion failure in UnMount

[Link Removed] Licensee is using the chunk downloader. On Shutdown method of their GameInstance, they call FChunkDownloader->Finalize. When they quit the game (Alt+F4) during a chunck download an a ...

"Go to Definition" does not work properly in Binary

Using the Go to definition option on a blueprint node in the Binary editor opens Visual Studio but does not actually show the definition as requested. The user is instead given the following warning ...

VehicleGame cannot Compile in the Editor if it was created with a name other than "VehicleGame"

Attempting to compile a VehicleGame project will fail if it was created with a name other than "VehicleGame". ...

Editor crashes when replacing Packed Level Actor assets during asset deletion process

The Random Audio Node Function 'Randomize Without Replacement' does not Function Correctly

When attempting to play random sounds using the 'Random' node within the audio editor, the 'Randomize Without Replacement' does not function as explained via the tooltip. The options says that if y ...

[CrashReport] UE4Editor_Engine!FShaderCompileUtilities::DoReadTaskResults() [shadercompiler.cpp:663]

Top Crash in 4.18 release Users have provided no comments on the issue Source Context:// Read single jobs 651 { 652 int32 SingleJobHeader = -1; 653 OutputFile << Si ...