Level Sequence with Media track hangs when scrubbing the timeline

UE - Media Framework - Aug 24, 2023

Adding a media track(.mp4/avi) into a level sequence causes the editor to hang when scrubbing the timeline, or enabling/disabling the media track. ...

Debug information is sometimes missing when compiling with cl-clang

UE - Foundation - Cpp Tools - UnrealBuildTool - Aug 24, 2023

Via UDN: As has been discussed previously here and in CL 20055361, debug information is sometimes missing when compiling with Clang. We've pinpointed this to debug information not being emitted fo ...

Animation Montage Section Frame snaps montage segments to beginning of timeline

UE - Anim - Runtime - Aug 23, 2023

Moving a Montage Segment in an Anim Montage via section frame causes the Montage Segment to snap back to the beginning of the timeline. ...

Widget that is a derived from a child widget reports component variables as Invalid

UE - Editor - UI Systems - Aug 23, 2023

This is not a regression. Tested in //UE5/Release-5.2 CL26001984 A widget that is a derived from a child widget reports component variables as Invalid, while the child and parent of that child will ...

GAS: Removing an AttributeSet followed by removing an active GameplayEffect results in client crash

UE - Gameplay - Gameplay Ability System - Aug 23, 2023

Gameplay Ability System Standalone: Removing an attribute set and then removing an active gameplay effect that has a modifier for an attribute from that set results in a crash. Currently, one must ...

AnimSequence derived data is non-deterministic

UE - Anim - Runtime - Aug 23, 2023

Building derived data for AnimSequence does not create deterministic output. Data that is stored to the DDC is expected to be deterministic. If there is a need to store metadata that may vary betwee ...

Common UI/Enhanced Input UI action binding issue

UE - Editor - UI Systems - UMG - Aug 23, 2023

They've nailed it down to the following logic FUIActionBinding::TryCreate which doesn't check for the InputAction specified.// Make sure there is no existing binding for the same action associated w ...

Morph target preview no longer possible in skeleton editor

UE - Anim - Runtime - Aug 23, 2023

The curve refactor did not add the curve debugger tab to the skeleton editor, which means that morph targets cannot be previewed there. It would be convenient for some users to still be able to do t ...

FCustomPrimitiveDataCustomization::SetVectorColor is closing the colorpicker and only updating the first channel

UE - Graphics Features - Aug 23, 2023

When it updates the red channel, the Simple Construction Script (SCS) gets re-run (via AActor::RerunConstructionScripts) on the Blueprint Actor instance generating new instances of all its component ...

Crash occurs when blueprint breakpoint is placed after a Draw Debug String node

UE - Gameplay - Blueprint - Aug 22, 2023

This is not a regression. Tested in //UE5/Release-5.2 CL 26001984 The editor crashes when playing in editor on a level that has a break point placed on a ticking draw debug string node that is prec ...