Unreal Engine Issues

Nativized build will crash on load if a member variable in a nativized parent Blueprint class references a non-nativized child Blueprint class asset.

This occurs because there exists a circular reference between the nativized parent BP and the non-nativized child BP asset (which is a data-only Blueprint in this case). Current suggested workaroun ...

Changing the state of a PrimitiveComponent->BodyInstance while SetSimulatePhysics(false) updates the game thread but does not update the physics behavior

Changing the state of a PrimitiveComponent->BodyInstance while SetSimulatePhysics(false) updates the game thread but does not update the physics behavior. In the repro project provided (see addl in ...

Shortcuts do not appear to work for the visual logger

Shortcuts do not appear to work for the visual logger in the editor preferences ...

Crash when toggling the SmartLinkEnabled state of a NavLinkProxy specifically in a packaged game targeting Debug/Development

The licensee has reported, and I was able to reproduce, that specifically in package builds targeting Development configuration, trying to toggle the SmartLinkEnabled state of a NavLinkProxy will cr ...

Visible dithered quantization to remove banding in New Temporal AA Quality

Since changing the temporal history buffer to 11:11:10 from FP16, it looks as there is visible dithered quantization to remove banding when rendering. (Taken from conversation on Forum Post linked f ...

Physics Constraint returns incorrect values for Swing1, Swing2, and Twist

Tested in //UE5/Main CL#20966071 Tested in //UE4/Release-4.27 CL#18319896 Physics Constraint returns incorrect values for Swing1, Swing2, and Twist. ...

Windows Game Input - DualSense/DualShock controllers DPad button repeat events behave unexpectedly

Delta struct serialized fast arrays replicating new elements with no changelist

There is a scenario where delta struct serialized fast arrays can replicate changes that introduce additional elements to the array, but without changelists containing the new data. This needs furt ...

[CrashReport] UE4Editor_MaterialEditor!FMaterialEditor::OnCanPromoteToParameter()

This is a common crash in the 4.16 release. It seems related to creating a parameter in the Material Editor, however users have not provided any descriptions so additional information is not current ...

Deploying from Windows to Linux fails on the first attempt

After hitting this failure, if you try to deploy again, then it will work. This only occurs on the first attempt. Initially, I thought I hit a disc space issue I was hitting due to having a sample ...