Unreal Engine Issues

Crash right-clicking in anim blueprint asset picker

Editor crashes when right-clicking in the blank area of the anim blueprint asset picker ...

Editor sometimes crashes when trying to compile an Animation Blueprint that extends a class with AnimInstanceProxy

Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. Seems to work fine when compiled once, but after the 2nd or 3rd time it crashes. ...

Crash when trying to export unsupported Paragon Skeletal Mesh asset in 4.23

When the user tries to export the Skeletal Mesh of TwinBlast (a paragon character that can be purchased off the marketplace) in 4.23. As of the time of logging this bug it is not supported in 4.23, ...

Editor crashes when a hot reload is performed on a project that contains a custom User Defined Struct code class

Adding a custom User Defined Struct code class to a project causes the Editor to crash whenever a hot reload is performed on that project. Removing the custom User Defined Struct class allows hot re ...

Crash when importing Alembic data with a large number of vertices if Merge Meshes is enabled.

Clicking "Pause on Impact" with in the details of the InterpToMovement component will cause a crash

When checking the "Pause on Impact" check box within the details panel for the InterpToMovement component, the editor crashes ...

Ensure thrown when applying a Linear Color User Exposed Variable in a Niagara Emitter

This is a regression tested in //UE4/Release-4.27 CL18319896. Ensure thrown when applying a Linear Color User Exposed Variable in a Niagara Emitter. ...

Assertion failed: !EditReregisterContexts.Find(this)

Editor crashes if a blueprint has "Can Ever Affect Navigation" changed multiple times and is compiled. Crash link: [Link Removed] Frequency: 4/4 ...

Crash when jumping to location of referenced missing asset in a blueprint from Message Log window

I created a static mesh blueprint and set the mesh asset to a mesh in my project. Then I closed the project, deleted the mesh .uasset, reopened the project. When opening the blueprint, there are w ...

Crash when recombining Value Pin after swapping Target Wild Card pin from a Vector2D to a Vector on a Set By-Ref Var node

This is not a regression. Tested in //UE4/Release-4.27 CL18319896 Crash when recombining Value Pin after swapping Target Wild Card pin from a Vector2D to a Vector on a Set By-Ref Var node.  ...