An event with Soft Class Reference as an input that is not set causes package to fail with Nativization

UE - Gameplay - Blueprint - Jul 25, 2018

Having a custom event with an empty Soft Class Reference as an input causes packaging to fail if nativization is enabled as the event nativizes with a const TSoftClassPtr<>& and the compiler cannot ...

Created incorrectly Default Track when Emitter's toggle track set to default track in Level sequencer settings

UE - Anim - Sequencer - Jul 23, 2018

Licensee seems to add a Toggle track by default when adding ParticleSystem to the sequencer.Correct toggle track image.[Link Removed] ...

Renaming native struct with redirect can break user defined structs

UE - Gameplay - Blueprint - Jul 18, 2018

From https://udn.unrealengine.com/questions/444690/redirecting-ustruct-used-as-member-of-userdefineds.html In 4.20 it was changed so soft object ptrs pointing to classes work correclty with +ClassR ...

Crash upon trying to add a variable to a struct array when the details panel is locked

Tools - Jul 12, 2018

Attempting to add a new element to a struct array through the details panel when the panel is locked results in a crash. Regression?: No This issue did not occur exactly the same way in 4.18, but t ...

Creating loaded world with LoadLevelInstance fails when PIE is executed.

UE - Gameplay - Jul 10, 2018

Loaded level defined in TSoftObjectPtr <World> fails to load with LoadLevelInstance. This is due to "UEPID" prefix. Because it is rewritten by FSoftObjectPath :: FixupForPIE (), retrieval of Object ...

Error during packaging if nativizing a blueprint that contains a TMap with TSubclassOf as a key

UE - Gameplay - Blueprint - Jun 28, 2018

Packaging with with a nativized blueprint that contains a TMap with a TSubclassOf pointer as a Key causes errors, causing the packaging attempt to fail. Regression?: No Compiling the code for the T ...

ColorCalibrator tool stuck on cursor when clicking out of the Editor

Tools - Jun 28, 2018

Using the ColorCalibrator tool as a cursor by holding "\" gets stuck if you click out of the Editor while hold down the key.  ...

Crash in packaged game if Blueprint that contains an instanced subcomponent is nativized

UE - Gameplay - Blueprint - Jun 26, 2018

Attempting to load a nativized blueprint whose parent contains an instanced subcomponent causes the editor to crash in a packaged build. Regression?: Yes This did not occur in 4.18 ...

Custom Collision Preset Settings Not Saving on Foliage

UE - World Creation - Worldbuilding Tools - Foliage - Jun 25, 2018

Custom collision presets will not be saved properly to foliage after closing and reopening the project. Additionally if you make changes to any collision preset in project settings, the foliage will ...

ActorComponent.h BP Node Tooltip Typo on bReset

UE - Gameplay - Jun 25, 2018

Hovering the cursor over the "Reset" part of an "Activate" node shows the wrong tooltip. UnrealEngine/Engine/Source/Runtime/Engine/Classes/Components/ActorComponent.h ...