EngineTest crashes on open when opened through Binary - UVGeneration.usf

Rendering - Jul 27, 2017

Crash occurs when opening EngineTest in Binary Launcher, this occurs on both Windows and Mac. Issue does not occur when opening through P4.Fatal error: [File:D:\Build\++UE4+Release-4.17+Compile\Syn ...

[CrashReport] Assertion failed: !bIsReentrant - UE4Editor-UnrealEd.dylib!SaveWorld()

Platform - Mac - Jul 27, 2017

This is a common crash on Mac in 4.16 and has occurred since at least 4.14. User DescriptionsI added a character to a blank map and tried to save it. Callstack from LogLogEditorViewport: Clicking ...

Unable to PIE + Crash after editing SColorGradingPicker

Tools - Jul 26, 2017

Changing Color Grading settings of a post process volume and using "Enter" to commit changes prevents the editor from entering PIE / Simulate mode with the error message "Can't Play In Editor / Simu ...

Custom events cannot be overriden in child blueprints

Gameplay - Blueprint - Jul 25, 2017

Custom events cannot be overriden in child blueprints. The add event option is no longer available so as to override a custom event that was created in the parent. This appears to be a regression. ...

Crash when calling Get Material Slot Names node when using a static mesh component that does not have a specified static mesh

Gameplay - Blueprint - Jul 24, 2017

Editor crashes when trying to using get Material Slot Name on a static mesh component that has not has a static mesh specified. ...

UPL addElement and addElements can infinitely recurse if tag is included in inserted data

Platform - Mobile - Jul 24, 2017

Inserting element data which contains the same tag as to insert into can create an infinite loop of adding the element to itself. ...

[CrashReport] UE4Editor_Engine!UTextureRenderTarget::GameThread_GetRenderTargetResource() [texturerendertarget.cpp:44]

Tools - UMG - Jul 21, 2017

This is a common crash that has been affecting users since at least 4.15. This may be the same issue as UE-38348, which was closed due to inactivity User Descriptionsloading a level Source Contex ...

Crash on play if a BP uses a ClearInstances node followed by an AddInstance node

Rendering - Jul 21, 2017

Crash on play if a BP manipulates a InstancedStaticMeshComponent by using a ClearInstances node followed by an AddInstance node. This is a blocker for the licensee. This is a regression: Working ...

[CrashReport] Crash trying to destroy an uber graph frame because the RawPointer is still set

Gameplay - Blueprint - Jul 21, 2017

This is a trending crash in the 4.17 Preview. Users have not provided any descriptions of their actions when the crash occurred. Source Context 2408 uint8 *Data = (uint8*)Dest; 2409 ...

Crash while scrolling through language options in Packaging settings

Tools - Jul 21, 2017

This is a trending crash in the 4.17 preview. This is a regression Broken: 4.17.0-3528061 Worked: 4.16.2-3514769 User Descriptionsproject/settings/intern..language. Crashed it just by scrolling t ...