Unreal Engine Issues

Can't package project with custom engine plugin enabled.

[Mac, Linux] - Sample Rate changes from imported sample rate after playing preview for imported audio asset.

Sample Rate changes from imported sample rate after playing preview for imported audio asset. Tested this on Windows and it did NOT occur there. Repro Rate: 3/3 Tested this in //UE4/Release-4.27 @ ...

Re-import Groom asset not working in UE5-Preview2

When "re-import" or "re-import with new file" a groom asset in UE5 Preview2, the groom failed to update with the new data/file, still ...

Selecting a material name for a Skeletal Mesh Sampling region can crash the editor

The editor will crash when clicking on the Material Name selection box a second time. It appears this triggers another selection change with a null input, which crashes the editor. ...

When selecting actors via the Scene Outliner, changes during PIE aren't reflected until PIE ends

Selecting actors in the Scene Outliner during a PIE session results in the EditorWorld copy of the actor being selected. This means that changes to the actor's properties don't reflect during that P ...

Compile errors in GPU scripts aren't always reported to the Niagara Log

The Niagara log will not always show compilation errors for GPU particles. The errors are visible in the output log. ...

[MetaSounds] - Trigger on Threshold node Crashes editor on play when using literal value for threshold

Editor crashes when Trigger on Threshold node is hooked up in a Metasound graph and played using a threshold value defined on the node. If you use an Input node for the Threshold value, the crash do ...

Adding an output to the default function of a Blueprint Interface now requires the Interface to be compiled in order to change the output's values

In 4.27 immediately upon adding an output to the default function that output can be edited without needing to be compiled. In Preview 2 once an output is added the Blueprint Interface needs to be c ...

FFunctionalTestingModule::GetMapTests does not support World partition

Cook failure when World Partition maps have level instances using level blueprints

The following cook error results from attempting to package a WP map that has level instances using level BPs: LogCook: Error: PackageSplitter found the Generator package still in memory after it ...