Unreal Engine Issues

Pasting nodes into level blueprint crashes editor

Converting a function with local variables to an event crashes editor

When converting a function with a local variable to an event, editor crashes. Issue does not occur in 4.25, therefore a regression. ...

USD Stage - Assert !EdgeArray[EdgeID].ConnectedPolygons.Contains(PolygonID)

One of Pixars example .usd files is crashing the editor when importing with 'USD Stage' (KitchenSet imports with no errors) It is possible to import the file via content browser without crashing. ( ...

Crash when converting a Landscape to a Blueprint Class

The Editor crashes when attempting to convert a Landscape into a Blueprint Class. Looking back to //UE4/Release-4.24 cl 11590231, this option seems to be unselectable (see attached image), which lea ...

Editor crashes when changing skeletal mesh if another skeletal mesh component is attached when using master pose node

The crash only occurs if the additional skeletal mesh component is used with Set Master Pose Component (see ToggleAttach function in the TopDownCharacter BP). It doesn't seem to matter what mesh we' ...

Crash after clicking the Build button on Linux

This crash is a regression from 4.22.3 (CL-7053642). If lighting is built by selecting "Build Lighting Only" the Editor will not crash. This does not reproduce on Windows with -vulkan. This was rep ...

Editing Layered Material Instance Causes Editor Crash

Crash repros in 4.19.2 and Main CL 4088075. Triggering the crash can be inconsistent- you may have to assign the material instance to a mesh, force shaders to recompile, save, and continue toggling ...

Crash when starting VREditor and then changing levels

attached video below if you are unsure of repro ...

Crash occurs when a struct containing an instanced object property is used as the value for a TMap in a class that is subclassed in Blueprints

Using a struct containing an instanced object property as the value for a TMap results in a crash if a Blueprint of the class containing the TMap is subclassed and the child Blueprint is opened the ...

Blackboard interaction crashes engine

User Description: "I'm trying to implement AI and following zoombapup's Guard AI YT tutorials. Whatever I do within Blackboard crashes the engine. Yes even a single click on Self key. Here's the dum ...