Editor Crashes When Undoing Paint Mode Selections

Tools - Sep 29, 2016

Attempting to use the paint mode tool on meshes in the level and then undo/redo the changes will cause the editor to crash. ...

Crash closing Parent and Child blueprint after renaming variable

UE - Gameplay - Blueprint - Oct 4, 2017

REGRESSION Uncertain, was not able to repro in 4.17 with these steps. But I also can't repro with another version of QAGame in Binary editor. Crash occurs when the user closes a parent and child b ...

Crash creating a new level sequence and then loading a new level

UE - Anim - Sequencer - Aug 4, 2016

Crash creating a new level sequence and then loading a new level ...

Local binary build fails for iOS platform.

UE - Foundation - Core - Oct 5, 2017

Attempting to create a local binary build of the Engine for the iOS platform using BuildGraph is currently failing. While trying to build UHT for Mac using a remote build, the build fails because it ...

Assert When Saving Over Existing Level With Built Lighting

Tools - Apr 17, 2017

While saving over an existing map the engine will crash if both maps have baked lighting. ...

Importing Mesh with "Import Animations" enabled crashes editor.

OLD - Anim - Nov 13, 2015

After importing a mesh with "Import Animations" enabled the editor crash's. Importing only the mesh does not crash the engine. Importing animation separately and assigning to Skeletal mesh on import ...

[CrashReport] UE4Editor_UMG!CastChecked<UUserWidget,UObject>

UE - Anim - Sequencer - Aug 14, 2017

This is an early trending crash in the 4.17 release. This may be a regression as there is no initial evidence of this callstack occurring in 4.16. User DescriptionsJust compiled my widget Source C ...

Lightmass crash after finished building and hitting save

UE - Foundation - Core - Mar 19, 2015

User is reporting that the editor will crash after lightmass has finished building and they click to save the project. ...

Crash when Building Lighting on Macs with Lighting Scenarios

UE - Platform - Apple - Oct 27, 2016

A crash occurs when you building lighting with a project using Lighting Scenarios on a Mac. I attempted to reproduce the issue using a new blank project, but was unable to get the crash to occur. T ...