Unreal Engine Issues

Assigning FSoftObjectPath to null entry in Blueprint Trips ensure on Compile/Load

[Link Removed] Able to set default values for Sequence & Map variables for a Movie Pipeline Executor Job causing an Ensure & Crash. Repro Rate: 4/4 Tested this in //UE4/Release-4.27 @ CL#18319896 ...

Editor crash when opening Project Settings on Linux

When the Project Settings is opened on Linux, a call is made to run an iOS-related C# program (execute iPhonePackager certificates). This call causes the editor to crash. Unable to find mention of ...

Able to set default values for Sequence & Map variables for a Movie Pipeline Executor Job causing an Ensure & Crash

Able to set default values for Sequence & Map variables for a Movie Pipeline Executor Job causing an Ensure & Crash. Repro Rate: 4/4 Tested this in //UE4/Release-4.27 @ CL#18319896 and the user is ...

Parameter distributions can be reset to None in Cascade Particle Systems, causing Cascade to Niagara conversion to crash the editor.

Cascade to Niagara conversion causes the editor to crash due to any distribution parameter in the Particle Emitter being reset to none. Repro Rate: 4/4 Tested this in //UE4/Release-4.27 @ CL# 1831 ...

Editor crashes when keying a frame to an Animation from Pose with Appended Frames

This is a regression. Tested in //UE4/Release-4.27 CL18319896 Editor crashes when keying a frame to an Animation from Pose with Appended Frames. ...

Assertion thrown when connecting a World Position node to the time input of a Panner node then connecting it to Base Color

Assertion thrown when connecting a World Position node to the time input of a Panner node then connecting it to Base Color. This is a regression. ...

Material expression called Compiler->TextureParameter() without implementing UMaterialExpression::GetReferencedTexture properly

when trying to replace a Material Function instance, with another instance, as the base color of a material within the Material Graph, the editor crashes with the following error:Assertion failed: ...

WP HLOD Crash on Small Cell Sizes

Renaming a level containing Text3DComponent can cause crash

BuildTextMesh function queued as AsyncTasks may be called during saving (renaming) a level containing Text3DComponents.  The following workaround fix the problem. void UText3DComponent::BuildTextMe ...

Importing through Python fails

Version 4.21:The script result in popping the Alembic Import windows instead of a silent importThe provided options are ignored by the importer.  Version 4.22: Results in the provided callstack wi ...