Unreal Engine Issues

LinkedAnimGraph of AnimBP is not applied to the character to which ForceCustomMode is applied in the sequencer after the sequencer playback is completed

LinkedAnimGraph is not restored at the end of an AnimationSection with ForceCustomMode enabled. There is a problem with the order in which custom mode ends and anim instances are restored, and Linke ...

Blueprint instance with NiagaraComponent cannot keep its user parameters, it will restore to the default values after reopening the level

Performance decreases with the number of morph targets

Performance decreases quite a bit on characters with large number of morph targets, as soon as even one target is active.  ...

The ActionInstanceData event is incorrect when triggering a "Started" delegate which is on the same tick as a "Triggered" event

This is happening because the FInputActionInstance has the event as "triggered" when the triggered event and started event occur on the same frame. This is correct, but when the delegate gets fired ...

Duplicating functions doesn't reset the GUIDs of local variables.

This is actually a bug with function duplication via UEdGraphSchema_K2::DuplicateGraph. After a function graph is duplicated, the function entry node still retains the same GUIDs for its local vari ...

UMovieSceneSequenceTickManager does not consider settings of Fixed Frame Rate

Due to CL-20816478 UMovieSceneSequenceTickManager now calculates DeltaTime per Group instead of using DeltaSeconds directly. As a result, the FixedTimeFramerate in the project settings is being igno ...

Emissive map texture is not set to material when building Approximate Mesh from HLOD Outliner

Emissive textures seem to be set correctly in the case of building HLOD in the world partition. However, licensees who do not use World partition seem to build HLOD with HLOD Outliner. [Image Remov ...

Scratch Pad outputting Audio Spectrum triggers a crash

This is a regression. Tested in //UE5/Release-5.1 CL23901901 The editor crashes after playing in editor when the level contains a niagara system with a scratch pad outputing audio spectrum. ...

CaseIssues with Korean input in Window 11

When entering Korean in the EditableBox on Windows 11, the two Korean characters after pressing the Space key are not entered. I confirmed that it occurs in UE5.1 and UE5.2, and it does not occur i ...

ShouldOnlyTriggerLastActionInChord only works for one action bound to a chord instead of any number