Unreal Engine Issues

Setting ComponentTick as a Hide Category in an Actor Component Blueprint corrupts the BP and causes a crash when opened after an editor restart

Setting ComponentTick as a Hide Category in an Actor Component Blueprint corrupts the BP and causes a crash when opened after an editor restart. [Link Removed] Reproduced in 4.9.2 binary, 4.10.0 b ...

Blueprint viewport doesn't show the camera preview.

Blueprint viewport doesn't show the camera preview. ...

Shadows of small movable components popping out

This must be a regression ...

Source control commandlets do not consistently check provider status for read only or checkout and instead rely on read only state of files

Niagara Fluids Plugin creates a memory reference of any saved level by only being active, before being actually used.

While Niagara Fluids Plugin is active it creates a memory reference of any saved level regardless of being actually used. Simply enabling the plugin shows a memory reference while deleting the level ...

A camera set to Orthographic projection mode with a negative Ortho Width will crash the editor on PIE

A camera set to Orthographic projection mode with a negative Ortho Width will crash the editor on PIE. Reproduced in Main (CL-2412886) Crash Report: [Link Removed] Call Stack:<unknown module>! UE ...

Shape components have a Shape Material property that is never displayed

Blueprint Shape components have a Shape Material property that can be set in its Details or via Get and Set functions in the Event Graph. These are never displayed in the viewport or during runtime ...

Replicated variables defined in Actor Component blueprints do not actually replicate

Replicated properties defined in an actor component blueprint are not being replicated because UActorComponent::GetLifetimeReplicatedProps isn't adding the blueprint properties to the OutLifetimePro ...

Collections reset when the engine upgrades project

When you upgrade your project to a new version of the engine, your Collections are deleted from the Collection setting. ...

Particle disappears if it is using PSA_Velocity and setting custom time dilation 0

A licensee reported some of their particles disappear when setting the actor's custom time dilation 0. This seems to happen when a particle is using PSA_Velocity as Screen Alignment. This repros in ...