Unreal Engine Issues

Deleting the first instanced subobject entry from a Blueprint map or set variable's default value can result in an editor crash.

Deleting the first instanced subobject entry from a default value for a map or set variable can result in accessing an incorrect subobject for the element's value during reinstancing, which can then ...

Despawning or Converting to Spawnable/Possessable a BP with a Control Rig Component causes incorrect mapping

FBXUVs can create null entries that will assert later

Need to make sure we support nullptr entries or make sure we do not create such null entries. ...

Assign node on floats can cause a crash at runtime

This is from a UDN and I was not able to reproduce it locally in Release-5.0 or Ue5/Main, creating this issue for tracking.  ...

Vehicle tire forces applied too high

Vehicle wheel friction values are applied too high relative to the vehicle centre of mass.  They are applied at the wheels original rest position rather than the base of the current wheel location. ...

Crash when using fbx exporter multiple time in the same process

The different fbx exporters do not cleanup the fbx sdk manager ...

WorldPosition in PostProcessMaterial returns inconsistent results in AfterTonemapping with TSR and TAA

This behavior appears to be a regression new to UE5, as I tested in 4.25 and the issue does not occur. Interestingly, the issue clears up if you switch to No, FXAA, or MSAA antialiasing methods. Th ...

Nanite meshes' selection outline is off with temporal upsampling

Non nanite mesh have an outline that match lit geometry, but not nanite meshes. The plan is to enable temporal upsampling by default in 5.0, so this issue will become problematic [Link Removed ...

BP ConvertTransformToRelative is deprecated in code but still usable in blueprints

DrawDebugString does not work with nDisplay

DrawDebugString does not appear to be working when combined with nDisplay. ...