Opening a new sequence can have SavePreAnimatedState and RestorePreAnimatedState called out of order

Tools - Sequencer - Nov 21, 2019

When switching to a sequence where the current time is not in the target view range the PreAnimatedState of the new sequence will be saved before restoring the PreAnimatedState of the old sequence.  ...

Blueprint Node "Get Actors" for Layers in Level Blueprint causes crash in Packaged .exe

Tools - Virtual Production - Nov 21, 2019

Blueprint Node "Get Actors" for Layers in Level Blueprint causes crash in Packaged .exe The Blueprint node "Get Actors" for Layers in the Level Blueprint causes an instant crash in a built developm ...

UBT Output log encoding does not match if non-ASCII characters are in the UBT output

DevTools - UnrealBuildTool - Nov 21, 2019

UBT Output log encoding does not match if non-ASCII characters are in the UBT output. Before UE4.23, UBT output encoding problems only exist in the editor "Compiler Log" under Developer Tools, and i ...

Event not saved correctly when duplicating Level Sequence

Tools - Sequencer - Nov 21, 2019

This issue is similar to UE-84380. But I tested the shelve 10164190 mentioned in the comments. It didn't work. ...

Unexpected Phat constraint skeleton tree search behavior

Physics - Nov 14, 2019

The skeleton tree search does not search for constraints based off of their full displayed name in the tree. Only their second bone name is used when filtering (despite portions of their full name s ...

FClothingSectionData::IsValid is not marked const

Physics - Clothing - Nov 13, 2019

FClothingSectionData::IsValid() is not marked const. ...

Duplicating inherited variables in the MyBlueprint panel doesn't copy data from the old variable to the new variable

Gameplay - Blueprint Editor - Nov 12, 2019

Duplicating inherited Blueprint variables should copy the data from the original variable to the duplicated variable. ...

BaryCentric comparison inaccuracies

Tools - MeshEditing - Nov 12, 2019

A user reported FMath::SegmentTriangleIntersection returning false negatives, seemingly due the results of FMath::ComputeBaryCentric2D being checked with strict inequality as opposed to non-strict i ...

EQS Overlap test no longer recognizes custom Collision Object Channel

Gameplay - AI - Nov 12, 2019

Environment Queries Ignore tests for Custom Collision Object Overlaps. Note: The expected behavior seems to have worked in 4.21, After following the steps to reproduce, I can verify a successful de ...