Unreal Engine Issues

Packaged Game Ensure Crash when GameInstance working with Async loading thread

In Engine 4.23 Preview, when AsyncLoadingThread is enabled and GameInstance is loaded from a Blueprint, the Engine will crash. ...

Behavior Trees cannot be saved if the Blackboard assigned to it was opened before opening the Behavior Tree from the Content Browser

Behavior Trees cannot be saved if the Blackboard assigned to it was opened before opening the Behavior Tree from the Content Browser. Reproduced in 4.8.3 binary, 4.9.2 binary, 4.10 Preview 3 binary ...

Expandable Area widget appears to create extra widgets when being copied and pasted

Expandable Area widget appears to create extra widgets when being copied and pasted. These widget appear to be ghost widgets of the original children. If the new unwanted button is selected or delet ...

Cannot change the original casing used for parameter names

It appears that users cannot change the original casing used for parameter names after they have been set once. ...

[CrashReport] UE4Editor_UnrealEd!UEditorEngine::CheckForWorldGCLeaks()

This is a common crash occurring for users in 4.16. It is spread out among around 60 different CrashGroups in CrashReporter, because every case has a slightly different callstack. This appears to ...

Execution Doesn't Resume When Hitting BT Task Breakpoint and Trying to Resume in the Behavior Tree

When a breakpoint is hit in a BT Task Blueprint, execution will not be resumed if you attempt to do so from the Behavior Tree that is running the BT Task. This will cause a crash if executed in the ...

Player and hud don't hide on autoplay

[Feature Request] Add material node or function to easily support AR passthrough camera

See the UDN link. This is currently possible with some material work, but should be made more robust to automatically look up the passtrough texture resolution and to deal with apps deployed in por ...

Warnings Log spam when pasting a widget into any panel widget

An increasing amount of warning show up in the output log as a widget is pasted into a name space that is part of a widget that has been added to another widget via the user created section. Examp ...

URLs aren't parsed correctly when running multiple listen servers on one machine

According to the UDN thread, a second listen server started on a machine will not process the travel URL correctly and fail to actually load a map in listen mode. ...