Unreal Engine Issues

[AI] Moving a SmartObject actor in a level does not update the location of its Slot in the SmartObjectCollection

Moving a SmartObject inside of the level shows that the slot debug view is moved along with the SmartObject, but when PIEing the AI react as if it has not been moved/rotated. You must click Rebuild ...

Moving a Widget in UMG by dragging the position value results in Stuttering and Jerking

This is a regression. Tested in //UE4/Release-4.27 CL#18319896 Moving widgets within UMG by dragging the position value with any sort of speed results in the widget stuttering and jerking around.  ...

Reimporting FBX imported with Import Into Level does not maintain the changed material.

If you import by drag & drop without Import Into Level, the material will be maintained even if you change it. This is because FFbxImporter::ReimportStaticMesh() sets ImportOptions->bImportMaterial ...

When StaticMeshComponent is added to an empty Actor, no HLOD is generated.

When a Cube of StaticMeshActor is placed, it is generated without any problem. ...

When TSR is enabled, the maximum brightness is clamped to about 16000.

You can also check it by enabling real-time rendering in the NewMap.umap of the attached project, and then clicking on "High Resolution Screenshots". (You may need to disable and enable post-process ...

Unable to write custom stencil using Draw Material To Render Target

The attached project was created in 4.27 and is rendered on render target when checked in 4.27. However, this does not reproduce in 5.0 or later. ...

Data Validation Is Not Detecting References Correctly in Third Person Template When Assets Are Migrated

Occurs 5/5 times Data Validation is not detecting soft references correctly in the TPS template.  Regression does occur as tested in //UE4/Release-4.27 @ CL 1831986 EGL Live. ...

A niagara emitter with an empty renderer module does not return a position in the package

Modulate Blend Mode on Deferred Decals does not seem to multiply with background pixels

Modulate Blend Mode on Deferred Decals does not blend multiply with background pixels. Transparency for Deferred Decals also does not seem to match with what occurs in 4.27; Repro Rate: 4/4 Tested ...

All Frames Are Not Fully Deleted From Animation Sequence When Attempting to Create an Aim Offset

Occurs 3/3 Times *Regression *does occur: Tested in //UE4/Release-4.27.2 @ CL18319896 and all frames were able to be deleted from the Aim_Space_Hip Animation sequence.  ...