"Assign" node can cause a crash when placed in a graph

UE - Gameplay - Blueprint Compiler - Apr 26, 2022

This may only happen with upgraded projects that went from 4.27 up to 5.0.1 ...

Assertion thrown while creating a Geometry Collection with Hardware Raytracing enabled along side r.RayTracing.Geometry.GeometryCollection 1

UE - Graphics Features - Apr 26, 2022

A raytracing project with hardware raytracing enabled and r.RayTracing.Geometry.GeometryCollection set to 1 triggers a crash when trying to create a geometry collection. ...

Merging static mesh actors results in static mesh sockets getting lost

UE - World Creation - Worldbuilding Tools - Merge Actor - Apr 26, 2022

Licensee reports that merging two static meshes results in any sockets disappearing in the resultant merged mesh. "essentially I want to "hard code" the materials and sockets to the static meshes s ...

Artifact when rendering high-resolution images with Lumen and Movie Render Queue

UE - Graphics Features - Lumen - Apr 26, 2022

Artifacts when using Lumen at 8K equivalent resolution and rendering with MRQ. 8K equivalent, because the same issue occurs when the resolution is set to 4K and the Screen Percentage is set to 200. ...

Last frame pose is not evaluated when playing Anim Montage with Blend Out Time of 0 in AnimNodeSlot

UE - Anim - Gameplay - Apr 26, 2022

When playing AnimMontage with BlendOutTime set to 0.f with AnimNode_Slot of AnimBP, it seems that the last frame pose may not be evaluated. this issue does not occur in high frame rate and does not ...

geometry script AppendSimpleSweptPolygon can crash if called with empty path

UE - Graphics Tools - Modeling Tools - Apr 26, 2022

geometry script "Append Simple Swept Polygon" crashes if called w/ an empty path (but non-empty cross section polygon) ...

Ensure and Assertion thrown while attempting to change Float value on a Sky Light using the Set Editor Property node

UE - Editor - Workflow Systems - Apr 25, 2022

This is a regression. Assertion thrown while attempting to change a Float value on a Sky Light component using the Set Editor Property node. Different property values can trigger this assertion bes ...

Replicated Child Actor in standalone editor instance causes package map errors

UE - Networking - Apr 25, 2022

This only seems to occur if the parent is statically placed, and only when launching the instances as standalone game from the editor. If the actor is dynamically spawned or if the instances are run ...

Child Actor Components are visible in editor but disappears while playing or simulating.

UE - Gameplay - Components - Apr 25, 2022

Child Actor Components are visible in editor but disappear while playing or simulating. On BP_Cube_Row, setting 'Hidden in Game' to true then false during play will make the object appear. Repro Ra ...

Foliage Instance Static Meshes do not affect the Navmesh

UE - AI - Navigation - Apr 25, 2022

Foliage Instance Static Meshes do not affect the Navmesh. I tried changing the Custom Navigable Geometry to 'Yes' & 'Even if Not Collidable' but got the same results. Repro Rate: 4/4 Tested this i ...