Unreal Engine Issues
Unreal Engine Issues
GAS and single process PIE: modifiable static variables accessed by server and client
UE - Gameplay - Gameplay Ability System - Nov 16, 2022See: UAbilitySystemGlobals::HandlePreLoadMap GAS features static variables that are modified by both server and client, thus result in issues in single process PIE where they access the same memory ...
Navmesh rebuild always occurs on Startup map immediately after starting editor
UE - AI - Navigation - Nov 22, 2022Whenever launching the UE5 Editor, it rebuilds the navmesh on the first map it opens. Reopening the same map again will not cause the navmesh to be rebuilt. It seems that the first time the map is o ...
CachedMaxDrawDistance value are not updated by CullDistanceVolume in persistent Level
UE - World Creation - Worldbuilding Tools - World Composition - Dec 16, 2022in PIE, RerunConstructionScript() is executed and actor's CachedMaxDrawDistance is updated as expected. in packaged game, RerunConstructionScript() is not executed so, CullDistanceVolume is not u ...
console command "viewmode lodcoloration" doesn't work in standalone game
UE - Graphics Features - Jan 4, 2023refer to attached video ...
Make literal container nodes (e.g. MakeArray) do not cast object ref output terms linked to interface-typed input pins.
UE - Gameplay - Blueprint - Jan 28, 2023As with most nodes, object reference outputs can be directly connected to interface-typed inputs on "make container" nodes (e.g. "MakeArray") if the object's class type implements the interface clas ...
BlackboardComponent observer can be called for the wrong key
UE - AI - BehaviorTree - Feb 7, 2023We need to, at least, prevent this by clearing observers when running a new BT using a different blackboard. Must also think that this might affect licensees relying on the current behavior (might h ...
[Attenuation][Air Absorption] - When the listener moves across the min-distance transition point, the HPF pops
UE - Audio - Apr 21, 2022A pop can be heard when crossing the Air Absorption distance range while using an HPF. From Slack: "I tracked it down to specifically the HPF – it's when the filter turns on, it jumps instantly to ...
Missing shadows when combining CSMCaching and Nanite
UE - Graphics Features - Shadows - Jun 28, 2023A Nanite primitive casting a CSM shadow on another Nanite primitive with "Cast Shadows" disabled, will have it's shadow disappear completely when r.Shadow.CSMCaching = 1. ...
BP property initialization fast path does not handle non-instanced properties assigned to default subobjects correctly
UE - Gameplay - Blueprint - Jul 27, 2023Non-instanced object ref properties are incorrectly being skipped at property initialization time when Blueprint class instances are spawned with the fast property initialization path enabled. This ...
[MetaSounds][Sequencer] - Inputs don't update or clear unless the Audio Track is deleted and readded
UE - Audio - MetaSounds - May 13, 2022Inputs in Sequencer don't update when a MetaSound is changed or if the Sound on an audio track is changed to a different asset. The Inputs cannot be added or removed manually. This leads to the user ...