CoreRedirects cannot be properly used to rename a BlueprintImplementableEvent that has a return value

UE - Gameplay - Blueprint - Dec 7, 2017

Attempting to use CoreRedirects to rename a BlueprintImplementableEvent that has a return value results in the function not being renamed in the Blueprint subclasses and its Return Value nodes causi ...

Crash-Connecting output of unspecified functions to pins on the material result node

UE - Rendering Architecture - Materials - Dec 6, 2017

Crash-Connecting output of unspecified functions to pins on the material result node. This does occur in Main at CL: 3792526 ...

Instance Static Mesh element not rendered if array element is removed and another is added

UE - Gameplay - Dec 5, 2017

Instance Static Mesh element is not rendered if array element is removed and another is added. The collision is still present and the instance count will still register as if the non-rendered elemen ...

Crash when attempting to revert a Child blueprint from overriding its parent's function while it also has a child of its own

Tools - Dec 4, 2017

When reverting the change of overriding a function from a blueprint's parent, the editor will crash if that blueprint has a child of its own. Regression?: No This also occurred in 4.16 ...

When Importing Camera, Previously Imported Cameras' Focal Length is Overridden

UE - Anim - Sequencer - Dec 4, 2017

4.17 does not allow for camera import. If multiple cameras are imported into sequencer, all cameras Current Focal Length change to match the newest imported camera. Mentioning Jira: [Link Remove ...

Some float properties don't export to fbx

UE - Anim - Sequencer - Dec 4, 2017

Export fbx currently exports specific properties that match onto existing maya attributes. Some properties don't match directly but they should still be exported as "custom attributes". ...

Crash can occur when loading a sub level that contains an actor with a child actor component

UE - Gameplay - Dec 1, 2017

A licensee is reporting a crash where loading a sublevel that contains an actor with a child actor component can cause a crash. After speaking to Marc Audy, this seems to be related to the initializ ...

[CrashReport] FMacWindow::ApplySizeAndModeChanges | SWindow::ReshapeWindow()

UE - Platform - Apple - Dec 1, 2017

This is an infrequent Mac crash in 4.18. Users have not provided any descriptions of their actions when the crash occurred. The callstack is similar to both [Link Removed] and [Link Removed] Call ...

[CrashReport] UE4Editor_Foliage!AInstancedFoliageActor::PreEditUndo() [instancedfoliage.cpp:2296]

UE - World Creation - Worldbuilding Tools - Foliage - Dec 1, 2017

This is a common 4.18 crash. Users have not provided any description of their actions when the crash occurred. Source Context 2286 void AInstancedFoliageActor::PreEditUndo() 2287 { ...

[CrashReport] UE4Editor_Engine!FLevelCollection::RemoveLevel() [world.cpp:249]

UE - Gameplay - Dec 1, 2017

This is a common crash that has occurred since at least 4.14 User DescriptionsWas playing in editor and ran around my world composition level a little bit and then hit escape to quit.Using the node ...