Editing Struct variable types can cause pins of an array of that struct to become disconnected

UE - Gameplay - Blueprint - Jun 6, 2016

When changing the variable type of a variable in a struct, it can cause some pins related to arrays of this struct to become disconnected. The project provided was from the Marketplace, entitled "Su ...

Editor crash when using Straighten Connection shortcut key

UE - Gameplay - Blueprint - Feb 8, 2017

Using Straighten Connections shortcut can cause the editor to crash after removing node pins. This appears to be due to GetGraphPinForMenu returning the last pin selected (in this case, the removed ...

Exceptions can no longer be enabled for ProjectEditor targets

UE - Foundation - Cpp Tools - Jul 16, 2018

It is no longer possible to enable C++ exceptions for the ProjectEditor target in code projects that use the binary Engine. Some fixes that were made for 4.19 now correctly show an error message if ...

Properties of placed-in-map actor instances may not replicate if their default has been edited

UE - Networking - Mar 26, 2019

If the default value of a replicated property is edited on an instance of a placed-in-map actor, then on the server is value is changed back to the default, a client who joins in progress after this ...

Crash occurs when renaming an asset that is used by Class Default Object

UE - CoreTech - UObject - Nov 23, 2021

Not a regression. Tested in: //UE4/Release-4.26.2 CL15973114 Binary - Reproduced //UE4/Release-4.27.1 CL17735300 Binary - Reproduced //UE5/Release-5.0-EarlyAccess CL16682836 Binary - Reproduced Fro ...

Unreal Insights does not recognize Android if connecting with USB cable

UE - Foundation - Insights - May 13, 2022

Unreal Insights doesn't recognize USB-connected Android in UE5, even with the same flow as UE4.27. By the way, I checked UECommandLine.txt, but I didn't find any issue. It may be related to the nee ...

Right click editor/Slate windows blackout after a while of repeatedly clicking them.

UE - Editor - UI Systems - Slate - Jun 8, 2022

Licensee video of the issue here - [Link Removed]  This can be worked around with this setting:  [Link Removed] However it is not a solution as this setting actually causes other programs, e.g. sl ...

[AI] FInstancedStruct is not dupilicated properly if values are different from an Actor's defaults

UE - AI - Jan 24, 2024

A licensee reports that the values of an FInstancedStruct do not get properly duplicated if they differ from the default values of the Actor or TArray to which they belong. Possible short-term wo ...

Lightmaps on Mobile Devices Appear Dirtied and Pixelated

UE - Platform - Mobile - Jun 19, 2015

Baked lighting on mobile has dirtied or pixelated lightmaps. When testing this issue I attempted to change various settings within the 'Lightmass' section and the changes made did not have much effe ...

Crash occurs when diffing blueprint that has had one of its variables changed to a Soft Object Reference

UE - Gameplay - Blueprint Editor - Oct 3, 2017

A crash occurs when diffing a blueprint that contains an array that has changed from an Object Reference to a Soft Object Reference. Note: I figured that this could be related to another bug that I ...