Unreal Engine Issues
Unreal Engine Issues
[AI] BehaviorTreeEditor crash when swapping from Behavior Tree to Blackboard view.
UE - AI - BehaviorTree - Aug 24, 2023The first time that a Behavior Tree editor window changes from the tree to the Blackboard can cause a crash if you add and remove a key from the Blackboard via a different Behavior Tree editor windo ...
Looping Gameplay Cues are not removed if GameplayCueNotifyTagCheckOnRemove is true
UE - Gameplay - Gameplay Ability System - Aug 24, 2023GameplayCues inheriting from GameplayCueNotify_Actor no longer have their Removed functions called when removed via UAbilitySystemComponent::RemoveGameplayCue if GameplayCueNotifyTagCheckOnRemove is ...
Debug information is sometimes missing when compiling with cl-clang
UE - Foundation - Cpp Tools - UnrealBuildTool - Aug 24, 2023Via 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 ...
Unable to set simulate physics to false through blueprints
UE - Simulation - Physics - Aug 24, 2023If "Editable when Inherited" is disabled for the static mesh component the issue does not occur. The bug could be related with other UDN cases:https://udn.unrealengine.com/s/case/5004z00001ruXmEAAU ...
Animation Montage Section Frame snaps montage segments to beginning of timeline
UE - Anim - Runtime - Aug 23, 2023Moving 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, 2023This 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 ...
Combining Layered Blend Per Bone with Cached Pose nodes can break root motion extraction
UE - Anim - Gameplay - Aug 23, 2023When the input to a Layered Blend Per Bone node is two instances of the same cached pose, we aren't sampling root motion correctly. In the attached example, the weight on the root bone is 0 and Ble ...
GAS: Removing an AttributeSet followed by removing an active GameplayEffect results in client crash
UE - Gameplay - Gameplay Ability System - Aug 23, 2023Gameplay 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, 2023Building 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 - Gameplay - Input - Aug 23, 2023They'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 ...