Unreal Engine Issues

Crash when entering Brush Editing mode with a Sequence spawnable Post process volume

Changing the channel name inside of the channel mask parameter node results in crash

Changing the name of a channel inside of the channel mask parameter node results in a crash. ...

HLOD Build crashing when building nanite for mesh with 2 material having the same parameters

From Licensee: Catching the exception with debugger allowed us to find a list of materials on the hlod mesh on which the error occured and we were then able to link it to one of our meshes causing ...

Light Function Materials containing a Texture Sample and Rotator nodes will fail RHI Validation

Using a Light Function Material that contains a Texture Sample and Rotator nodes will cause RHI Validation to fail with the following error: LogOutputDevice: Error: Ensure condition failed: Bindings ...

SWorldPartitionEditorGrid2D causing editor to crash

Crash in Material Editor when calling GetScreenSpaceData() from custom node

A crash can occur when modifying a user-defined struct asset that's indirectly accessed through a variable node.

If a user-defined struct-type variable is declared in one Blueprint, and that variable is then indirectly accessed in a second Blueprint through a reference to the first Blueprint, modifying the str ...

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

Unreal crash on STEP file datasmith import

Unreal Crash on .STEP file using the  Datasmith importer. Works fine in 4.19.2  ...

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.  ...