Push based fast array with net.PushModelSkipUndirtiedFastArrays not replicating across multiple PIE sessions

UE - Networking - Sep 19, 2022

The conditions for this bug are fairly specific. The actor must be statically placed, with its only replicated property being the fast array, and net.PushModelSkipUndirtiedFastArrays must be enabled ...

PoseSearch::GenerateDDCKey is not deterministic between editor restarts

UE - Anim - Gameplay - Sep 16, 2022

we need to investigate why between editor restarts the DDC key generation for the motion matching pose search databases is not deterministic, causing the assets to be rebuilt ...

Blueprint breakpoints on EventEndPlay do not break execution in PIE

UE - Gameplay - Blueprint Editor - Sep 16, 2022

Blueprint breakpoints on EventEndPlay do not break execution of the PIE session before the session is destroyed. ...

Electra video playback fails if project or package is under multibyte characters path

Media Framework - Sep 16, 2022

The URL parser encodes the input path to a URL-encoded path even if it is local, so if the path contains unicode characters (such as Japanese Kanji ), the media file cannot be read. Following worka ...

ISM Component in an instanced BP does not take into account changes to NumCustomDataFloats from the BP class

UE - Graphics Features - Sep 16, 2022

PerInstanceSMCustomData is bulk serialized and doesn't get changed on the BP instance when changing NumCustomDataFloats, possibly causing out of bounds array access leading to a crash. Possible sol ...

Animation tracks reset to ref pose when editing actor properties.

UE - Anim - Sequencer - Sep 15, 2022

Editing an actor's properties in a sequence causes the animation to go to ref pose. ...

open asset in editor crash (Objects have the same fully qualified name but different paths)

UE - Gameplay - Blueprint Compiler - Sep 15, 2022

in 4.27 open this asset could not crash ,but 5.0.2 could get crashed ...

Visualizing Custom Stencil Buffer returns incorrect results when an Actor with Render CustomDepth Pass enabled is visible

UE - Graphics Features - Sep 15, 2022

This is a regression tested in //UE4/Release-4.27 CL 18319896 Visualizing Custom Stencil Buffer returns incorrect results when an Actor with Render CustomDepth Pass enabled is visible. ...

Screen Percentage does not behave correctly with SceneDepth Post Processing

UE - Graphics Features - Sep 14, 2022

This is a regression tested in //UE4/Release-4.27 CL18319896 Screen Percentage does not behave correctly with SceneDepth Post Processing.  ...

World Partition causes client to disconnect from dedicated server

UE - World Creation - Worldbuilding Tools - World Partition - Sep 14, 2022

When using connecting to a World Partition level on a dedicated server the client get's disconnected immediately. I tested this with a non WP level and the client connected with no issues. I've inc ...