Unreal Engine Issues

Minor memory leaks in Recast code

It seems there's a fair amount of allocations in Recast code that allocate n elements, but release the memory with as a single element (delete ptr). ...

Behavior tree subtree switch reported as hitching

Setup described in UDN post: parent tree: root - selector - run behavior task subtree: root - sequence - custom BP task with just print string repro: print string message (engine tick) is showing u ...

Can Ever Affect Navigation Option Being Reset Upon PIE

Upon PIE, the Can Ever Affect Navigation option is being reset on the capsule component of an empty character. Dragging the empty character into the level, setting the option to true, and then playi ...

BT/EQS Editors do not Support Multiline Comments

Behavior tree ignores decorator's execution request when it occurs during latent task abort

UBehaviorTreeComponent::IsExecutingBranch needs to include task state ...

No easy way to disable a sense in AI perception

Smart Links are Removed During Dynamic NavMesh Regeneration

Smart links disappear whenever the Nav Mesh regenerates while using Dynamic Runtime Generation. For example, if you have a dynamic object that is constantly moving and causing the Nav Mesh to rebuil ...

Editor discarding valid navmesh with world composition

Setting Layer Partitioning or Region Chunk Splits to ChunkyMonotone causes hitching in navigation

Setting Layer Partitioning or Region Chunk Splits to ChunkyMonotone causes hitching in movement and navigation. The player will get caught on level geometry and temporarily halt or jitter in movemen ...

Crash Occurs in UAIPerceptionSystem::UnregisterSource When Exiting PIE

User Description: The Perception System crashes when exiting PIE on UAIPerceptionSystem::UnregisterSource. It doesn't check for null sense classes which are there by design I suppose. I transition m ...