Unreal Engine Issues

IOS crash disabling idle timer when closing the app

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.

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

Ragdoll stops mid-air when activated during root animation

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

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

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

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

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

Building a patch from the project launcher will crash unrealpak when pak encryption is enabled

When using unrealpak to make a patch, if the source pak data that a patch is based from is encrypted, you must specify the "patchcryptokeys" parameter on the command line so unrealpak knows which cr ...

EditCondition doesn't work on C-arrays

Toggling a bool doesn't enable/disable the elements of the array similarly to how it does for TArray in the details panel. Static arrays should have the same semantics as TArray with regards to edit ...