Merged actors cannnot cast shadows when source actors Cast Shadows is disabled

UE - World Creation - Worldbuilding Tools - Merge Actor - Aug 19, 2020

Merging actors with cast shadows disabled causes the merged actor to be unable to cast shadows at all. Toggling the Cast Shadows option does not resolve the issue. This is seen in //UE4/Release-4.2 ...

Modifying Override Parameters on NiagaraActor blueprints created from a System Actor does not work

UE - Niagara - Cinematics - Aug 5, 2020

Modifying Override Parameters on NiagaraActor blueprints created from a System Actor does not work The System component appears to only use the default value set in the System.  This issue does no ...

Fix primitive uniform buffer validation.

UE - Rendering Architecture - RHI - Jul 31, 2020

GPUScene primitive validation is currently busted and asserts. It looks like there are two problems: 1) NaN's in the entries can cause comparison issues, so a MemCmp would be better. 2) There's a ...

"Complex Collision Mesh" is not rendered in "Visibility Collision" view mode

UE - Simulation - Physics - Jul 29, 2020

Consider this function in StaticMeshRender.cpp. FStaticMeshSceneProxy::GetDynamicMeshElements Now look for this line in the function: if(bDrawComplexWireframeCollision || (bInCollisionView && bDr ...

Fix up IOS errors calling UI API from non-UI threads

UE - Platform - Apple - Jul 27, 2020

Body Instance property changes made in construction scripts are not applied

UE - Simulation - Physics - Jul 17, 2020

7054614 was submitted to fix an issue with not being able to modify physics properties on instanced blueprints child components. This is related to [Link Removed]. This change causes BodyInstance t ...

iOS Device Orientations Inverted

UE - Platform - Mobile - Jul 2, 2020

The EDeviceScreenOrientation landscape values appear to be inverted on iOS based on the comments in the code. i.e.EDeviceScreenOrientation::LandscapeRight // The orientation is landscape with the h ...

Investigate state of embedded and dynamic framework support on iOS

UE - Platform - Apple - Jun 5, 2020

Licensee reports it's not possible to use the dynamic framework used by the latest release of the iOS version BugFender - [Link Removed] Licensee bug report: : https://github.com/bugfender/Bugfende ...

Character rotations can diverge between clients and client/server briefly under packet loss and using bOrientRotationToMovement

UE - Gameplay - Player Movement - Jun 4, 2020

At some points the rotations will diverge briefly while the client and server attempt to rotate to the orientation direction by going different directions about the rotation axis. ...

There's a split in Normal of World Compositions Landscape.

UE - World Creation - Worldbuilding Tools - World Composition - Mar 25, 2020

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