Parameters end up associated with the wrong layer after certain material layer swaps

UE - Rendering Architecture - Materials - Mar 6, 2023

The licensee has also provided an explanation as to why this issue occurs + guidance for a potential fix. Please see the UDN for more details. ...

Fbx importer: Issue when reimporting staticmesh base LOD and there is some custom LOD

UE - Editor - Content Pipeline - Import and Export - Mar 2, 2023

When we reset the material to fbx we should take care of the LOD since we will change/reorder the material slot array. ...

GAS: RemoveActiveGameplayEffect crashes when called during world teardown for periodic GEs

UE - Gameplay - Gameplay Ability System - Mar 2, 2023

AbilitySystemComponent crashes when RemoveActiveGameplayEffect is called during world teardown for an active gameplay effect that ticks periodically, by unsafe GetWorld()->GetTimerManager() access w ...

Actor scale can be different on client and server when spawning with scale of (1,1,1)

UE - Networking - Feb 28, 2023

When spawning an actor, we don't seem to replicate the scale if it's set to (1,1,1), even if the root component's default scale is different to this. This results in the client using the default sca ...

Cannot Add Player with a second controller in Lyra

UE - Gameplay - Input - Feb 24, 2023

Controller 1 is able to navigate the menu as normal, but if you hit the "Start" button on Controller 1, it'll flash the Add Player UI element but won't connect as Player 2, and the output log will s ...

Fixing a Blueprint's compilation error after editor reload causes instances to lose transform

UE - Gameplay - Blueprint - Feb 23, 2023

Saving and reloading a Blueprint instance with a compilation error, a.k.a., "Bad Blueprint" will lead to a transform reset when the Blueprint is successfully recompiled. ...

Overriding Component class does not work properly in grandchild class BP

UE - Gameplay - Blueprint - Feb 22, 2023

If you set ComponentClass override in child class BP and grandchild class BP respectively, it is ignored in grandchild class. This issue is probably related to [Link Removed]. The fix for [Link Rem ...

ARecastNavMesh.bPerformVoxelFiltering doesn't seem to be working

UE - AI - Navigation - Feb 21, 2023

ARecastNavMesh.bPerformVoxelFiltering doesn't seem to be working anymore. ...