Unreal Engine Issues

Editing InlineEditConditionToggle variable value causes editor to crash

Editing property with InlineEditConditionToggle meta specifier causes the editor to crash. Workaround: Calling Super::PostEditChangeProperty after property changing code prevents crash from occurri ...

Cancelling level save due to previous save crashes editor

If a level has been saved as two different levels and a new save initiated, the editor will crash if the overwrite is cancelled. Frequency 3/3 Regression (Yes) issue (does not) occur in 4.12.5 ...

Editor crashes if a sublevel with a landscape is duplicated then added to the persistent level as a sublevel.

If a sublevel is duplicated and contains a landscape, the editor will crash when the duplicate level is added to the persistent level as a sublevel. Frequency 4/4 Regression (yes) issue (does not ...

Attempting to generate abstract class from blueprint crashes editor on compile

Attempting to generate abstract class from blueprint crashes editor on compile. Frequency: 4/4 ...

Incorrect first frame of video exported while viewing media in Viewport

Crash when closing the timeline tab inside UMG editor and reopening UMG editor

Crash when closing the timeline tab inside UMG editor and reopening UMG editor Reported here:https://udn.unrealengine.com/questions/307297/umg%E3%82%A8%E3%83%86%E3%82%A3%E3%82%BF%E8%B5%B7%E5%8B%95% ...

Creating External Curve for a function's local struct variable causes editor to crash

Defining a FRuntimeFloatCurve inside a code based struct causes the editor to crash if the struct is added as a local variable to a blueprint function and the "Create External Curve" button is press ...

Swarm Coordinator is not distributing Lighting Builds

Swarm Coordinator in 4.8.1/2 is not distributing light builds across accessible agents. If you have and open a Coordinator included in the 4.7.6 build of the Engine, Coordinator is distributing cor ...

Adding Angular Impulse on Begin Play causes a Crash

Calling Add Angular Impulse on BeginPlay causes the editor to crash. Workaround: Adding a short (.01s) delay after BeginPlay prevents the crash. Regression: No, crash occurs in 4.11.2 as well. ...

Landscape brush not visible when landscape material uses World Position Offset

Landscape brush not visible when landscape material uses World Position Offset. Update: Brush also not visible when landscape material uses displacement. Tested in Binary 4.10.2 from launcher. ...