Having two Play Persistent Audio modules in Niagara will only play the first sound

UE - Niagara - Jan 24, 2024

Only one Play Persistent Audio module will work at a time in a Niagara emitter. ...

Warning spam when binding the "Frame" property of the HeterogeneousVolumeComponent on the Sequencer

UE - Niagara - Cinematics - Jan 24, 2024

I think it doesn't like the "bPlaying == false" expression for the EditCondition meta tag on the UPROPERTY... You also get these warnings every single time the Sequencer plays through a keyframe on ...

Pilot actor no longer generates undo transactions

UE - Editor - Workflow Systems - Jan 22, 2024

The piloting feature in the editor viewport is not undoable with Ctrl+Z It also does not cause the actor to become dirty so any changes during piloting are lost and not saved (user also not prompted ...

Blueprint Instanced Variables Data Erased

UE - Framework - Blueprint - Jan 17, 2024

Instanced variables were given a fix in response to this issue: [Link Removed] Once implemented, when the project is compiled the data from the blueprint instanced variable is removed. A recommend ...

Recentering on Meta Quest doesn't work

UE - Platform - XR - Jan 10, 2024

This is a serious issue as it's causing applications to fail certification on the Meta Quest store ...

Bug with setting the ChildActorClass in ChildActorComponents in Blueprint

UE - Framework - Blueprint - Jan 10, 2024

It's impossible to set it back to None. Also, if the original blueprint had something set in ChildActorClass, it will be impossible to set a placement of it to None. I looked at it briefly in the de ...

SGameplayTagQueryWidget constructed in SGameplayTagQueryEntryBox ignores UGameplayTagsManager::OnGetCategoriesMetaFromPropertyHandle

UE - AI - Jan 9, 2024

2 issues with SGameplayTagQueryEntryBox that a UDN customer noticed:We are binding a delegate to UGameplayTagsManager::OnGetCategoriesMetaFromPropertyHandle to customize how the categories are retri ...

Cannot copy from the message log when building with Clang

UE - Editor - Workflow Systems - Jan 8, 2024

This was disabled for clang a long time ago in CL 3019423 due to a codegen crash but seems like the bug is fixed now ...