Unreal Engine Issues

Allow close set to false in the project settings does not prevent the user from closing the game window

User can still close the game window when the "Allow close" option is set to false. When unchecking similar options (such as allow maximize) the buttons are no longer available. ...

Open Level node does not open the correct level in Packaged game

Open Level node does not open the correct level in Packaged game. Instead of loading the level named in the node, the node will just open the current level. This issue can cause problems with Matine ...

Mac defaults to device 0 for new Audio Mixer

Users are pointing out issues with the new Audio Mixer on Macs. We have already responded on the forum post and are aware of its current state. One user has identified the issue with "default macOS ...

[CrashReport] UE4Editor_Sequencer!FSequencerEdMode::CleanUpMeshTrails() [sequenceredmode.cpp:186]

This is a top crash occurring in the 4.16 release. Despite the callstack occurring in Sequencer, many users are experiencing this crash while working in UMG. User Descriptionsscaling track in widge ...

Cooking is not deterministic for LoadAsset blueprint node

The LoadAsset node in blueprints appears to cause deterministic cooking errors for map files when used in the map's level blueprint. It quite possibly also causes problems when used in regular blue ...

Some classes do not show up in the Asset Base Class list

Some classes may not show up in the Asset Base Class list in the Asset Manager project settings. Currently the only example I have of this is the QAPawn code class in QAGame. Blueprints derived fr ...

Green reflections with SSR while Rendering Sequence without Separate Process

Green reflections with SSR while Rendering Sequence without Separate Process. Note: I've tested in Editor Window (not rendering) with Cinematic Scalability and Cinematic Mode enabled. Does not re ...

Crash on Mac for some 4.16 users while opening editor, related to Xcode

This is a common crash on Mac in the 4.16 release. The callstack is fairly generic , so it shares similarities with other Jiras such as [Link Removed] and [Link Removed], but this issue is differen ...

Issue with hitches when vertex painting

Crash when opening the editor on Mac

The editor will crash when it is opened on a Mac machine. ...