Deferring Blueprint CDO construction at load time is leading to some data loss.

UE - Gameplay - Blueprint - Jan 27, 2023

Various licensees are reporting data loss on load due to the change that was made for [Link Removed] in which we now defer Blueprint CDO construction on load until the finalization phase. This issu ...

Niagara particles bounce instead of resting on AMD GPU in SM6

UE - Graphics Features - Jan 27, 2023

Additional Info URL [Link Removed]…]2F00O4z000006EGZXEA4%2Fview%3FqueryScope%3DuserFolders Link to repro - [Link Removed] Old UDN question that may be relevant, similar visual bug - [Link Removed] ...

Crash in Material Editor when calling GetScreenSpaceData() from custom node

UE - Rendering Architecture - Materials - Jan 27, 2023

Muting the top most track row is muting all track rows

UE - Anim - Sequencer - Jan 27, 2023

The workflow above is generally used to pull out key poses from a mocap performance. It works on 5.0. It can be simplified for QC into this:add some animation keys to your rigged character in Sequ ...

If using SetAlignmentInViewport in Construct, the value with it is ignored

UE - Editor - UI Systems - UMG - Jan 27, 2023

If SetAlignmentInViewport is called in the UMG Construct, it is ignored internally. This is due to a change that came in 5.1, so it worked fine in 5.0. First, when the Set Alignment in Viewport nod ...

Editor crash when saving a level instance in a folder with the same name as the level

UE - World Creation - Worldbuilding Tools - Level Instances - Jan 27, 2023

Unable to copy tracks from UMG animation to another animation

UE - Anim - Sequencer - Jan 27, 2023

In UE5.0 it was possible to paste Tracks from one Animation to another, but from UE5.1 this fails with the message "Can't paste section. No selected tracks to paste sections onto". The attached pro ...

Ocean does not completely fill water zone in certain circumstances

UE - LD & Modeling - Terrain - Water - Jan 26, 2023

Issue reported in [Link Removed] by [Link Removed] 1. Add one component to the 8K Landscape. [Image Removed] 2. Adding Ocean will not render correctly. [Image Removed] [Image Removed] These ca ...

Previewing a node overrides the output of PostProceessInput0 in a Post Process Domain Material after previewing has stopped

UE - Rendering Architecture - Materials - Jan 26, 2023

This is not a regression. Tested in //UE5/Release-5.1 CL20979098 Previewing a node overrides the output of PostProceessInput0 in a Post Process Domain Material after previewing stops. ...

Global Distance Field Precision Issues Far From Origin

UE - Graphics Features - Jan 26, 2023

[Enduring] Appears to be in the visualization rendering of the distance field, distance field shadows were unaffected. There was one instance where the bug did not replicate as expected. This was wh ...