Editor will crash on attempt to load a previously-saved Blueprint asset with a serialized default subobject containing a serialized static array of two or more nested subobject instances.

A crash will result if a Blueprint class that's based on a native C++ class containing two or more nested, explicitly-instanced subobjects referenced by a fixed-size object array property are serial ...

Level Object value is lost when a new level is loaded using the same BP

UE - Gameplay - Blueprint - Dec 2, 2021

First discovered this on Linux in //UE5/Main. In the repro, you play from level 2; if you opened Level 1 and played from there, the same outcome would occur. LogNet: Warning: Travel Failure: [Clien ...

OnObjectPropertyChanged Firing Excessively when FText is Bulk Edited

UE - Editor - Jun 28, 2023

If multiple game objects are selected at once and their text field is edited, instead of getting N events, it produces N-squared events. It looks like FPropertyHandleBase::SetPerObjectValue is call ...

Get Blackboard Value with null input causes crash

UE - Gameplay - Blueprint - Jan 6, 2015

Getting a blackboard value as actor and setting an actor to that on tick causes crash. The real issue here is that you can use a function in BP (in this case `UBTFunctionLibrary::GetBlackboardValue ...

Sequence Recorder doesn't record First Person Template character correctly

UE - Anim - Sequencer - Jul 7, 2016

Sequence Recorder doesn't record First Person Template character correctly. I wasn't able to track down exactly what it is about the First Person Character Blueprint that causes this though. ...

Printing the result of the 'Get Move Ignore Actors' node will crash the editor

UE - Gameplay - Blueprint - May 6, 2015

Printing the result of the 'Get Move Ignore Actors' node will crash the editor. The Licensee found the issue while exploring a workaround for this JIRA:https://jira.ol.epicgames.net/browse/UE-14734 ...

Destructible does not return Hit Bone Name when using OnComponentHit Event

UE - Simulation - Physics - Destruction - Feb 17, 2016

When using a Destructible Mesh in a bluprint and trying to return the Hit Bone Name will result in "none" being printed. However, using a simply line trace from the individual bone names from a frac ...

Some Material Nodes Are Not Able To Be Deleted

UE - Graphics Features - May 10, 2017

There are a lot of cases where nodes in the material editor will no longer get deleted even if you save the material after deleting the node. As soon as you close the window for the material editor ...

Children of Retainer Box cannot be interacted with when visibility is set to "Self Hit Test Invisible"

UE - Editor - UI Systems - Jun 19, 2017

When there is a Retainer box with the visibility set to "Self Hit Test Invisible" and has children, the children cannot be interacted with. Children such as a button cannot be clicked. This issue c ...

[CrashReport] UE4Editor_Landscape!ALandscapeProxy::GetLandscapeInfo() [landscape.cpp:785]

UE - LD & Modeling - Terrain - Landscape - Jul 13, 2017

This is a common crash affecting users in the 4.16 release. Users have not provided any descriptions. Source Context 775 { 776 ULandscapeInfo* LandscapeInfo = nullptr; 777 ...