Unreal Engine Issues

Incorrect Redirector(s) created when renaming a LevelSequence

Renaming the LevelSequence also renames the internal DirectorBP. Renaming the BP triggers the rename of its BlueprintGeneratedClass asset. A Redirector will be created for the BGC but it will be in ...

Nanite static mesh is still visible even if "Render in main pass" or "Render in depth pass" is used

Applied external forces to vehicles may be nullified by sleeping

If Entering sleeping state and applying external force are same time, the external force is nullified and the vehicle stops immediately. p.Chaos.Solver.SleepEnabled 0 or __ setting SleepLinearVel ...

Double clicking on Interface Function in Blueprint Graph does not take you to the function implementation.

When double-clicking on an interface function call within a blueprint, the expected behaviour is that it will take you to the implementation of this function. However, it currently does nothing. ...

Capturing backtrace of another thread in engine built with clang raises access violation exception

Engine built with Clang throws an exception when calling RtlVirtualUnwind with a different thread ID. Engines built with Microsoft compilers do not occur this problem. For example, if starting PI ...

Shadow map z-fighting when using Overlay material

GetMonitorSizeFromEDID may fail to acquire the native resolution for ultrawide monitors

For some ultrawide monitors, UE may not correctly fetch the native resolution. GetMonitorSizeFromEDID attempts to retrieve native resolution from the Detailed Timing Descriptor of the EDID, but thes ...

Specular lighting occurs that ignores occlusion when lighting a Subsurface material from behind

AssetRegistry and CoreRedirects: Users of GeneratedClassTag do not uniformly handle CoreRedirects

ClassPaths are stored in FBlueprintTags::GeneratedClassPath, FBlueprintTags::ParentClassPath, FBlueprintTags::NativeParentClassPath, and are read by many locations in editor code. But these location ...

Optimize Data Layer runtime state replication

[Link Removed]This issue occurs only when I have a lot of RDLs (I tested 2500 and 1600). I tested with 6 RDLs and had no issuesI also noticed in the server log an error when a lot of RDLs are presen ...