Unreal Engine Issues

Shadow in Sky Reflections

It looks like the DistantScreenTrace(...) in LumenScreenTracing.ush reports a false positive hit in the dark regions. Using screen trace visualization reports the distance in these regions as 65535. ...

Network Prediction Insights tool checks/crashes with trace data from a multiplayer PIE session

Loading a trace in Insights that has Network Prediction channel data from a multi-client PIE session will hit a check and crash the Insights tool. ...

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 ...

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. ...

Nested PackedLevelActor bounds issue

[Perforce Integration] Duplicate asset, renamed to match deleted parent, results in undesired marked deletion of duplicate asset in Perforce

UserSceneTexture Post Process Material Renders Incorrectly When ScreenPercentage is Below 100

When using a UserSceneTexture in a post-process material, a visible rendering issue occurs if the viewport's ScreenPercentage is set to below 100. This issue looks like it might stem from an incorre ...

2 minute hang and high memory usage when adding assets with large textures

2 minute (or more) hang and high memory usage when adding assets with large textures. The memory increase can be up to 3 or 4 GB when none of these assets(or referenced assets) take up nearly that ...

Local Vector variables in functions do not save the Y and Z values

Local Vector variables in functions do not save the Y and Z values. Possibly connected: after entering the X value, pressing Tab does not move to the Y value. Tabbing from there works as expected. ...

Viewport Renders Black when adding a Third Player using Splitscreen Multiplayer

As the title suggests, whenever you attempt to add a third player using splitscreen, whenever the third player is created the viewport renders black. This only occurs when the viewport is sized to a ...