Unreal Engine Issues

Entering 'Games App Id' for Google Play Services without configuring apk packaging first crashes the editor

User reported that he was experiencing a crash when attempting to put in Games App ID in Android section of project settings. Note that this occurs only if the Configure Now button in the APKPackagi ...

Crash when creating a static mesh from a Procedural Mesh Component that has been used with a Create Mesh Section node

When creating a static mesh from a Procedural Mesh Component that has been used by a Create Mesh Section node, the editor crashes. The editor doesn't crash when selecting the Create Static Mesh butt ...

World Memory Leak crash creating new level blueprint after editing sub level blueprint

Crash occurs when the user adds a sublevel to the current level, edits the sublevel's level blueprint, and then attempts to make a new level. The state which triggers the crash seems to be when the ...

Crash on applying animation modifier for some assets

When removing curves on some assets, a crash can occur. This seems to be due to const FSmartNameMapping* CurveMapping being null and dereferenced within UAnimationBlueprintLibrary::RetrieveContainer ...

Crash when loading Anim BP after undoing and saving "Use Shared Rule" in state machine

Reported by UDN  [Link Removed] From Slack discussion: It seems that undo-ing the transaction in UAnimStateTransitionNode::UseSharedRules, leaves the outer graph (UAnimationStateMachineGraph) wit ...

Crash reparenting actor component to InstancedStaticMeshComponent

Reparenting an actor component to an instanced static mesh component causes a crash. Found on //UE4/Dev-Blueprints CL-3122712 ...

Editor crashes when actors using child actor component are loaded while Static mesh actor filter is enabled in the outliner

Reproduced 3/3 times. Unclear whether this is a regression as filter GUI is new in 5.1 for Outliner. ...

Pasting nodes into level blueprint crashes editor

Converting a function with local variables to an event crashes editor

When converting a function with a local variable to an event, editor crashes. Issue does not occur in 4.25, therefore a regression. ...

USD Stage - Assert !EdgeArray[EdgeID].ConnectedPolygons.Contains(PolygonID)

One of Pixars example .usd files is crashing the editor when importing with 'USD Stage' (KitchenSet imports with no errors) It is possible to import the file via content browser without crashing. ( ...