Release Notes shows Unreal Editor 4.27 notes

Docs - Apr 25, 2022

In the Epic Game Launcher the Release Notes button shows the Unreal Editor 4.27 release notes even if the user only has Unreal Editor 5 installed. ...

Significant Refraction Differences between 4.27 and 5.0

UE - Rendering - Materials/Shaders - Apr 25, 2022

Crash when unloading World Composition tiles using Landscape

UE - LD & Art - Modeling Tools - Landscape - Apr 25, 2022

When unloading a tile of a World Composition map in UE5, a crash occurs when trying to deference a null pointer (World->PersistentLevel->bIsVisible) in FWorldTileModel::FWorldTileModel():// Assign l ...

Transformed convex collision generates wrong navmesh

UE - AI - Navigation - Apr 25, 2022

[Link Removed] The mesh in the repro project contains a transformed convex collision, which can be moved freely in the mesh editor, so the transform must be applied in following code block. (Also se ...

RVT flashing on landscape in editor/PIE

UE - LD & Art - Modeling Tools - Landscape - Apr 25, 2022

Currently not showing in launched or packaged game ...

CollisionEvent and other events during ChaosCaching do not occur

UE - Simulation - Physics - Destruction - Apr 22, 2022

Geometry Collection Actors do not respond with the appropriate Actor nor Component for OnComponentHit events

UE - Simulation - Physics - Solver - Apr 22, 2022

Geometry Collection Actors do not respond with the appropriate Actor nor Component for OnComponentHit events. Upon placing a breakpoint after following the steps to reproduce, you can see that the O ...

Base Pose Type Not Retained When Retargeting Animation with Additive Anim Type

UE - Anim - Rigging - Apr 22, 2022

Occurs 3/3 Times Base pose animation is not retained when retargeting animation with an additive anim type. ...

Replicated Timelines Update runs once for Clients when you change its Play Rate

UE - Networking - Apr 22, 2022

See linked UDN for more info. This looks to be because of how OnRep_Timeline handles any changes to the component's FTimeline struct. If the timeline isn't playing, OnRep_Timeline will call SetPlayb ...

Distance Cull Fade Node on Material does not work with Skeletal Mesh

UE - Rendering - Materials/Shaders - Apr 22, 2022

The licensee reports that this issue is caused by the following code not performing a Buffer update. .\Engine\Source\Runtime\Renderer\Private\ShaderBaseClasses.cpp void FMeshMaterialShaderElementD ...