UWheeledVehicleMovementComponent no longer contains an IsFalling variable

UE - Gameplay - Dec 8, 2016

UWheeledVehicleMovementComponent no longer has an IsFalling variable. It originally inherited from UPawnMovementComponent which it gained this variable from but now inherits directly from UMovementC ...

Crash on built project from Manual focus change of Cine Camera as Player Pawn

UE - Gameplay - Mar 20, 2017

Crash on built project from Manual focus change of Cine Camera as Player Pawn Regression: Effects version 4.13.2 , 4.14.3, and 4.15.0 binary versions ...

Particle Bounds Don't Update Correctly After Moving Particle Component Via BP

UE - Graphics Features - Mar 30, 2017

It appears that particle components don't update their bounds correctly when they are moved in a scene. If a particle emitter isn't currently visible at the start of the game it will remain culled. ...

[Feature Request] Select Node should allow you to right-click and reset a value pin back to a wildcard

UE - Gameplay - Blueprint - Jan 12, 2018

There is an issue where the Select Node does not Reset wildcard values for its pins. This issue does not appear to be a regression Versions Tested: 4.17.2 - 3658906 4.18.2 - 3794801 4.20.0 - 381396 ...

Non-nativized classes that implement a nativized interface class do not get interface methods called when invoked through a Blueprint function library.

UE - Gameplay - Blueprint - Jul 5, 2018

UObjectBaseUtility::GetInterfaceAddress() fails due to an incorrect serialized value of the 'bImplementedByK2' property within the non-nativized class's Interfaces array on save. See support thread ...

Datasmith is failing in converting UCX geometry to collision shells from Sketchup

UE - Editor - Content Pipeline - Datasmith - Exporters - Aug 21, 2018

Importing a Sketchup file that has the 'UCX_' prefix for collision, the collision is not imported into the Editor. Instead it is imported as a Static Mesh Actor. This is happening in both 4.19.2 ( ...

HLOD visibility state isn't cleared when changing scene

UE - Graphics Features - Sep 25, 2018

HLOD state is not cleared when moving to a scene without HLOD so primitives may read the state from the old scene and incorrectly cull objects. The safe fix is to clear the HLOD state maps when the ...

CreateProxyObjectForPlayMontage does not report if cannot play

UE - Anim - Rigging - Nov 15, 2018

UPlayMontageCallbackProxy::CreateProxyObjectForPlayMontage creates a proxy object and immediately calls PlayMontage. If the montage fails to play (no mesh component, no animinstance, Montage_Play it ...

Calling TearOff then Destroy on an actor results in client actor also being destroyed

UE - Networking - Jan 14, 2021

When calling TearOff followed immediately by Destroy, the channel will be closed with the reason that the actor was destroyed, so the actor will be destroyed on the client as well. In the UDN linke ...

Renaming a SkinnedMeshComponent onto a different owning actor will cause issues with FAnimUpdateRateManager

UE - Anim - Runtime - Aug 12, 2021

As mentioned in the UDN - the user tried to rename an SMC to a different actor, which leaves the URO manager left with an incorrect data as it is not aware of the move. User proposed overriding Post ...