Unreal Engine Issues

"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. ...

Crash when seamlessly travelling from World Partition map

Based on the licensee's report, the crash seems to be occurring due to the WorldDataLayers actor, and setting this actor to never be dormant seems to resolve the issue. ...

Investigate crash with replication nested ever changing attachments

There seems to be an issue with replicated attachments ending up causing cyclical setups resulting in crash on clients. It was reported for 5.2 but even after patching up code it seems to occur. ...

Crash after 'Reparent Blueprint' when renaming component on-top of orphaned inherited component

After reparenting a blueprint and inherited components from the previous parent are removed, trying to give a new component the same name as a previous component causes a crash inside UObject::Renam ...

Using Clip() in a material may cause the outline to be displayed incorrectly on the Editor.

This appears to be from an interaction between the Depth Fade Expression, clip() in a Custom Expression, WPO being enabled, and the fact that the pass that draws objects for the editor outline runs ...

DumpShaderStats doesn't output any shader data

The DumpShaderStats console command doesn't output any shader stats because the code to calculate that information in DumpShaderStats (Shader.cpp) is commented out https://github.com/EpicGames/Unrea ...

Nanite static mesh components are not individually highlighted when selected

Non-nanite static mesh components still show an individual highlight outline which individually selected even with other non-nanite static mesh components in the same actor. This is different when t ...