Unreal Engine Issues

PCGComponent in PCGVolume is called "PCG Component", breaking t3d serialization

From PCGVolume.cpp: PCGComponent = ObjectInitializer.CreateDefaultSubobject<UPCGComponent>(this, TEXT("PCG Component")); The Component name with a space does not support a round trip through FSof ...

Iris - high latency causes initial hitch for newly spawned actor's movement

This may possibly be due to FReplicationWriter::CanSendObject waiting for CreateConfirmation. ...

Variables displaying the wrong category on the Class Default details panel.

Blueprints might get corrupted after inheriting multiple times.

Blueprints might get into a corrupted state when they are inherited for a big number of times. Starting from a C++ class, if you then create a BlueprintClass from the C++ class, and keep creating ne ...

"Literal Enum" BP node outputs wrong value when the input pin is connected

This behavior was not observed up to UE 4.19, but it can be reproduced in all versions from 4.20 to 5.4. When a "Literal Enum" node is used inside a blueprint and an enumeration value is chosen fro ...

Depth of field and Refraction issue

Refraction does not adjust the scene depth texture, leading to a mismatch between Scene Color samples and Scene Depth samples. ...

Water plugin: editor defaults for water wave assets are not saved

Replication errors when connecting Shipping build to Test/Development build

See linked UDN for more info. This issue was reported for Iris, but I believe package map errors occur in the current replication system as well. ...

Virtual Texture materials don't fully deduplicate generated virtual texture stacks

During material compilation we track unique individual virtual texture "stacks" and then create a virtual texture page table for each, along with unique bindings for each page table in the shader co ...

Renaming assets hits an ensure related to circular redirect

You will hit the ensure condition: LogOutputDevice: Error: Ensure condition failed: !SeenPaths.Contains(CurrentPath) in Engine\Source\Runtime\CoreUObject\Private\Misc\RedirectCollector.cpp] [Line ...