Unreal Engine Issues

For Level Sequence with multiple Shot and Transform Tracks, the Restore State of a Level Sequence Actor may not work due to the When Finished setting of the Transform Track.

LevelSequenceActor's Restore State is enabled, but the character does not return to the position it was in before the level sequence was played.  The LevelSequence of the attached project has two S ...

Particles can flicker at the end of first emitter loop when interpolated spawning is enabled

Particles flicker at the end of first emitter loop when interpolated spawning is enabled This issue does not occur if interpolated spawning is disabled. This issue does not occur for any of the su ...

Sequencer Media Tracks trigger crash when an ImageSource is added

The same callstack appears in 4.24.3 (CL-11590370) but only when playing a Sequence with a Media Track that has a ImgMediaSource and Media Texture set on it. These repro steps work for 4.25 and 4.26 ...

Landscape that has tessellation enabled sometimes doesn't render in cooked build

If a landscape uses a material that has tessellation enabled. Then in Editor and PIE things render correctly. But in a cooked package we sometimes hit this check. check(!bCurrentRequiresAdjacencyI ...

[Landscape] Multiple Level Instances with Landscape causes duplicate GUID issues.

Loading the same level twice through Load Level Instance BP Node will cause issues with levels containing Landscape as they will end up with the same GUID and the underlying systems do not support t ...

Packaging a blueprint only project with Nativization fails

REGRESSION: Does not occur in 4.24 Packaging a blueprint only project with Nativization enabled results in a failure during the Staging phase. A message appears reading the following:Missing UE4Ga ...

Naming an enum parameter on a blueprint function "Category" places the function in a category

If the user gives an enum parameter in a blueprint function the name "Category", this will result in the function being added to a category in the My Blueprint panel. ...

BuildPlugin command cannot build plugins with platform extensions

It seems like the BuildPlugin command is not copying all the dependencies in the HostProject.  Here are the errors reported by a customer:  DynamicCompilation.RequiresCompilation: Compiling D:\Per ...

If using High Quality Gaussian DoF on Mobile, the whole screen is always blurred

When High Quality Gaussian DoF on Mobile is enabled, the entire screen is always blurred.  I confirmed that it works properly in 4.24. Also, I confirmed that adding the modified CL of [Link Remove ...

If enable iostore and run BulkData.lock twice on the same frame, the second time get pointer will be nullptr