Unreal Engine Issues

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 ...

Crash occurs loading a sublevel containing landscape with ray tracing enabled

In raytracing enabled, When loading a sublevel containing landscape with LoadStreamLevel function following error is shown. Assertion failed: Pair != nullptr [Link Removed] [Line: 584] Licensee re ...

Sequencer transform origin not updated on first frame

When the level sequence is evaluated from calling play on a level sequence player the level sequence actor does not have an opportunity to tick, which is where the transform origin is calculated. ...

Set Playback End will cause a sequence's upper bound to be inclusive.

FSequencer::SetPlaybackEnd calls SetUpperBound which creates a TRangeBound with the default bounds type, so the end frame will be inclusive instead of exclusive. ...