Crash when opening a sequence with an additive control rig track

UE - Anim - Sequencer - Apr 27, 2020

The editor crashes when opening a sequence with an additive control rig track ...

FIOSInputInterface::SendControllerEvents crash due to UIInterfaceOrientation call from game thread

UE - Platform - Mobile - Apr 29, 2020

From [Link Removed], licensee reports We believe that querying the UIInterfaceOrientation via UIApplication on the game thread is the issue here. We have made changes to IOSInputInterface.cpp and I ...

IOS crash disabling idle timer when closing the app

UE - Platform - Mobile - Apr 29, 2020

Licensee report of crash during shutdown due to setting [UIApplication sharedApplication].idleTimerDisabledbeing from the Game thread. Grouped together with others items in [Link Removed] ...

Calling a native interface function implemented by a non-nativized Blueprint asset from a nativized Blueprint asset will silently fail at runtime.

UE - Gameplay - Blueprint - Apr 29, 2020

In the sample project we have a Widget Blueprint asset (SomeWidget) that implements a native interface (PrintSomethingInterface.h). However, in the DefaultEditor.ini file, we've also excluded all Wi ...

Can't export from a subsequence

UE - Anim - Sequencer - Aug 22, 2019

Ragdoll stops mid-air when activated during root animation

UE - Simulation - Physics - May 1, 2020

Dynamic delegate with parameter named "Self" cannot be bound to in Blueprint

UE - Gameplay - Blueprint Compiler - May 4, 2020

If you have a dynamic delegate with a parameter named "Self", you cannot bind an event to it in Blueprint. ...

Crash when creating a level sequence player after a level begins its tear-down

UE - Anim - Sequencer - May 6, 2020

It's possible to create a level sequence player in a level that's being torn down. Event end play is one example, but the original report comes from a situations that's harder to avoid. Creating a l ...

Sequencer doesn't save mobility for component children

UE - Anim - Sequencer - May 6, 2020

When the transform is actuated for a static component only its pre animated state is saved, but its mobility will be set to movable. This causes its children to become movable as well. When the comp ...

FLowLevelMemTracker::GetTagAmountForTracker with CustomProjectTag returns 0 always

UE - Foundation - Core - May 7, 2020

FLowLevelMemTracker::GetTagAmountForTracker with CustomProjectTag returns 0 always. Because of FLLMTracker::FLLMThreadState::GetFrameStatTotals don't amount to about CustomTags. Following code will ...