AI Controller Possess Function Called When Opening a Character Blueprint with AutoPossessAI Set to Spawned

UE - AI - Apr 11, 2017

AI Controllers' Possess function is being called when opening a blueprint that has the Auto Possess AI option set to Spawned. ...

USDStage - Issues importing USD prims with single time-sampled attributes

UE - Editor - Content Pipeline - USD - May 10, 2022

There may be an issue with USD prims with time-sampled attributes - or at least an issue of user expectations.    When importing from a USDStageActor into Unreal, via the USDStage GUI, if prims hav ...

Creating Actors as default subobjects causes crash (casting Outer to Level)

UE - Gameplay - Mar 18, 2016

If two custom classes are created in C++ (Class A & B) and a reference to Class A is created as a member of Class B and initialized in Class B's constructor, the editor will crash once a blueprint o ...

Rare assertion comes up when cooking if sequencer camera track has only additive transform track

UE - Anim - Sequencer - Mar 2, 2020

If a camera track has only additive transform track, some functions return uninitialized F3DTransformTrackToken made by default constructor. It causes a rare assertion. Please take a look at F3DTra ...

Binding Input Actions to Shift+F results in no input being detected

UE - Gameplay - Input - Aug 19, 2021

From my testing, it appears that Shift+F is not detected by the editor. If you map the input action to either F or Ctrl+F, they both work correctly, so it seems specific to the Shift+F keyboard comb ...

Game Instance being initialized twice in Android build

UE - Gameplay - Feb 11, 2015

When a project with a C++ custom game instance is packaged for Android, the game mode is initialized twice from different paths. Device log files attached ...

Calling LoadAssetDataFromPath with default save path crashes the editor

UE - Foundation - Core - Nov 20, 2015

Attempting to call LoadAssetDataFromPath with the path set to the default save location (/Saved/SaveGames) ...

GetKnownPerceivedActors doesn't stop calling when specified AISense should be forgotten

UE - AI - Mar 17, 2019

There is a difference in implementation and set of checks that are made in GetKnownPerceivedActors() depending on if you use specific SenseClass or leave it as nullptr (so it will return info for al ...

Editor crash when adding element to Instance array of custom InstanceStaticMeshComponent

UE - Gameplay - Blueprint - Sep 14, 2017

Adding an instance static mesh component to a class causes the editor to crash when an instance is added to a blueprint of the class. Regression: Yes - this behavior does not occur on 4.16.3 (CL 35 ...

Editor Crashes When Setting Location of Scene Component BP to World

UE - Gameplay - Blueprint - Dec 9, 2015

In an actor blueprint with a scene component blueprint as its root, if you add a child object to the scene component blueprint, and then go into the scene component blueprint and set the location to ...