Synced BB keys doesn't work

UE - AI - Feb 26, 2015

It seems there's a bug that in some circumstances AI's BlackboardComponent doesn't get registered for synced keys updates. After a short investigation it turns out that some code got stomped and BB ...

Comparing BB entries doesn't work

UE - AI - Feb 25, 2015

UBlackboardComponent::CompareKeyValues contains a bug and instead of using KeyType's default class object it uses UBlackboardKeyType's which results in comparison of memory addresses. This obviously ...

BTTask_MoveTo issues when AI already at goal location

UE - AI - Feb 25, 2015

Seems like the task node result is wrong if AI is already at location. If so then it's a pretty serious issue. Needs to be investigated. ...

Clearing BB values with UBlackboardComponent::ClearValue doesn't work

UE - AI - Feb 23, 2015

It just doesn't. There's a bug in the code, as described by user in the linked answerhub thread ...

EQS Generators named "NewBlueprint" cause errors and crash

UE - AI - Feb 11, 2015

Naming an EnvQueryGenerator_BlueprintBase derived BP "NewBlueprint" and deleting it causes new custom generators to not appear in the EQS. This can also lead to a crash when searching for the new ge ...

AISystem::RegisterBlackboardComponent being called not in all valid cases

UE - AI - Feb 6, 2015

Observed by 4.7 preview 5 user. After closed investigation it turned out he had two consequent AIController::UseBlackboard calls, which triggered a ensure failure in AISystem::UnregisterBlackboardCo ...

Navigation does not work in sub-levels

UE - AI - Jan 28, 2015

Navigation does not work in sub-levels. If the Nav Mesh Bounds Volume in a sub level is not touching a Nav Mesh Bounds Volume in the Persistent Level, it will not appear or function during Play. It ...

Renaming a Blackboard Key removes it's references in the Behavior Tree

UE - AI - Jan 27, 2015

Renaming a Blackboard Key removes it's references in the Behavior Tree ...

BP-implemented BT decorator issues with 4.6 to 4.7 upgrade

UE - AI - Jan 20, 2015

Changes done to BTDecorator_Blueprint result in users not being able to upgrade their BP-implemented decorators to 4.7. ...

PerceptionComponent SensesConfig fails to save

UE - AI - Jan 14, 2015

Seems there are issues with saving SensesConfig. Has to be investigated: "First I tried creating the SensesConfig instances in the instanced array property within the component on blueprint templat ...