Unreal Engine Issues

Screen jitters while blending constrained aspect ratio of camera

The screen jitters when animating the size of the filmback of a aspect ratio constrained Cine Camera. Following behavior was observed by the customer: MRQ: The expected behavior - bars smoothly in ...

Creating MaterialInstanceDynamic for a moving/crumbled geometry collection component, the rendering position is reset to the initial location

Creating a MID makes the render state dirty and the engine will recreate a new scene proxy without the current attitude. This results in rendering the object in incorrect location. Here is a tempor ...

UObject set to DefaultToInstanced will show all properties declared at the blueprint level, even in they're private and not instance editable

Licensee found that when creating a UObject class with DefaultToInstanced and EditInLineNew specified, and then a derived BP was created using the UObject class and used as a variable type in an act ...

Package Map warnings when spawning primary asset class on server after seamless travel

This issue seems to occur due to the client keeping the NetGUID for the class/object, while the server will clean up this NetGUID during travel. When the client sends the class and its NetGUID as pa ...

SkeletalMeshActor flickers rapidly when PhysicsAsset contains multiple boxes.

SkeletalMeshActor using a PhysicsAsset with custom box shapes may flicker rapidly in Editor when not selected, and also flickers in PIE mode. If occlusion culling is disabled the flickering stops. ...

Add error message when unable to delete external actor file on disk

[Substrate] Workaround for DXC problem with roll unlooping

We should get to the bottom of this workaround and revert it eventually.  Reported here: [Link Removed]  ...

CSM Shadows disappearing at larger coordinates with different FOVs

Cascaded shadows disappear at some FOVs when far from the world origin. This behavior was not present in 5.2. Also found in CL: 32690246 in Release-5.4 ...

tvOS is missing prebuilt ssl libraries

tvOS should include the libssl.a libs as part of the install build. ...

Incorrect relative position on replicated child actor

The issue seems to occur when a replicated child actor is received on the client before its parent. The child actor will first be spawned at its correct global position, with its root component's p ...