Unreal Engine Issues

Reimporting static mesh doesn't respect changed lightmap settings

Licensee reports change of behaviour between UE4 and UE5 when reimporting a mesh after changing its lightmap build settings. Change of behaviour occurred in 17404767, which was to fix a similar pro ...

Material Layers "swap" location instead of shift downwards.

Licensee request for this as it is affecting productivity. Likely requires a method of allowing a user to choose which behaviour they prefer. For reference, the behaviour changed in CL 11684461 to f ...

Crash in WP conversion commandlet on map containing geometry brushes

Compiling twice then pressing play/stop after creating a c++ Game Instance causes a crash

This is not a regression. After creating a C++ based Game Instance the Editor crashes if you compile twice then play and stop. ...

Translating bones in Persona is not affected by Snap Options

In Persona, moving a socket around is not affected by any changes to snapping (scale or size). Rotation is affected however. This is similar to [Link Removed], but according to James Golding there ...

Landscape Disappears from Scene After Being Added to Sequence

Landscape disappears from scene if added to a sequence, selected in scene, and the one of the tracks in sequencer(not the landscape that has been added) is selected again Landscape was added to t ...

Cannot successfully create a local binary build of the Engine that includes iOS

Attempting to create a local binary build of the Engine that includes iOS currently fails. The error message that appears ("ERROR: System.Collections.Generic.KeyNotFoundException: The given key was ...

OnEditorCameraMoved delegate not firing in the Animation Viewport

Found in 4.22 CL#6574378 Reproduced in 4.21 CL#4753647, 4.24 Main CL#7062442 The OnEditorCameraMoved delegate does not fire in the Animation Viewport. The example project provided by the user is a ...

Instanced MovieSceneEventParameters does not save updated values upon level load

Any instanced Actor with a public MovieSceneEventParameter struct doesn't retain any altered values on level load. Found in 4.22 CL#7053642 Reproduced in 4.21 CL#4753647 , 4.24 Main CL#7173985 ...

Crash on adding elements to a TMap property

Adding elements to a TMap<int32, int32> causes the editor to crash if the TMap has a default value associated with it. Tested in 4.22 (CL - 4753647), 4.23 (CL - 7445012), 4.24 (CL - 7605614) ...