Nodes to the right of an Abort Both node in a Behavior Tree appears to still receive a tick

UE - AI - BehaviorTree - Feb 6, 2023

This is a regression. Tested in //UE5/Release-5.0 CL20979098 Behavior Tree appears to tick nodes to the right of an aborted node that is set to abort Both. Those nodes are not executed, but visuall ...

Subcategories in Visual Logger do not Remember Open/Closed State

UE - AI - Aug 2, 2022

Within the actor snapshot area, you can categorize information into different sub-trees, each of which are expandable. However as you scrub through the timeline and new events happen, any sub-catego ...

Sequencer - Soft References do not work as payloads in Event Track keys, the endpoint event receives none/empty instead

UE - Anim - Sequencer - Jul 31, 2024

In sequencer, an "event track" can be added to call functions/events defined in the Sequence Director Blueprint. The parameters for those endpoint functions/events can be sent as a Payload associate ...

[CrashReport] UE4Editor_Kismet!FFindInBlueprintSearchManager::OnCacheAllUncachedBlueprints() [findinblueprintmanager.cpp:2095]

UE - Gameplay - Blueprint - Nov 2, 2017

This is a trending crash coming out of 4.18; it may be a regression. Users have not provided any descriptions of their actions when the crash occurred. Source Context 2093 // Start the cac ...

A build may fail in Visual Studio if a space is added after the # in an include pre-processor instruction to allow a struct in one header file to reference a struct in the other

UE - Foundation - Core - Sep 23, 2016

A project building in Visual Studio will sometimes fail with the error Unrecognized type 'FBar' - type must be a UCLASS, USTRUCT or UENUM. This can occur in situations where one struct was reference ...

[CrashReport] GPU Hang on Linux - /usr/lib/nvidia-381/libGLX_nvidia.so.0

UE - Platform - Linux - Aug 16, 2017

This is a trending GPU hang crash on Linux in 4.16 and 4.17. It is similar to [Link Removed] (nvidia-375) ...

Blueprint reinstancing can duplicate delegate bindings from the reinstanced Blueprint Actor to another referenced Actor instance in the current scene.

UE - Gameplay - Blueprint Compiler - Oct 8, 2018

This issue occurs because post-BP compile reinstancing does not clear delegate bindings to other referenced Actor instances in the scene. Thus, the old BP actor instance remains in the referenced Ac ...

[CrashReport] UE4Editor_Engine!FAnimNotifyEvent::IsBranchingPoint() [animtypes.cpp:86]

OLD - Anim - Aug 29, 2017

This is a common crash occurring in the 4.17 release. Users have not provided any descriptions of their actions when the crash occurred. Source Context 72 float FAnimNotifyEvent::GetDurati ...

ShowOnlyInnerProperties does not work on a struct property in a class nested within another class as an instance

UE - Gameplay - Blueprint - Feb 19, 2019

When the ShowOnlyInnerProperties property specifier is used for a struct property, the properties contained within the struct are exposed to the Blueprints Details panel as if they were part of the ...