Scrubbing Animation Timeline in Montage does not trigger sound notifies.

UE - Anim - Runtime - May 9, 2019

Scrubbing an Animation Timeline within a Montage does not play a sound for Anim Notifies that specify "Play Sound." ...

Crash: Nativized AnimBP instances can assert on load in a cooked build with async loading enabled.

UE - Gameplay - Blueprint - May 9, 2019

This is a regression that was introduced alongside a memory optimization for Animation Blueprint assets. Suggested workarounds:Disable "Async Loading Thread Enabled" ORDisable Blueprint nativizati ...

Sequencer Rendering Bug When Rendering Custom Depth Of Animation Blueprint Preview

UE - Anim - Sequencer - May 8, 2019

Having an Animation Blueprint open when rendering a movie using "Render CustomDepth Pass" via Sequencer causes the Animation Blueprint Preview to be rendered rather than the cine camera actor set in ...

Re-opening a Level with Datasmith Animation loses hierarchy

UE - Editor - Content Pipeline - Datasmith - Importer - May 7, 2019

It appears to be an issue with persistence and the sequencer. If the level is saved and reloaded without opening the sequencer all hierarchy is fineif you open the sequencer, then save the level, ...

SetPhysMaterialOverride does not work properly when using Weld Simulated Bodies enabled AttachToComponent func

UE - Simulation - Physics - May 7, 2019

When using Weld Simulated Bodies enabled AttachToComponent func, the child Primitive Component's BodyIstance ActorHandle is released. As a result, in BodyInstance.cpp, the judgment of FPhysicsComman ...

Flipbook rendering distortion when adding local offset to Capsule Component.

UE - Graphics Features - May 6, 2019

Adding local offset to Paper Flipbook in UE.4.22 results in rendering distortion. ...

Dropping a packet containing an initial replication for a Custom Delta Property breaks replication

UE - Networking - May 6, 2019

Custom Delta Property NAK handling is done via Custom Delta Base States. Whenever we replicate a CDP, we have the implementing code return a Custom Delta Base State. However, before a CDP is ever re ...

Blueprint Array/Map properties with DefaultToInstanced types are not instanced properly

UE - Gameplay - Blueprint - May 6, 2019

At a licensee, I discovered a problem where Blueprint-created array and map properties are not correctly propagating the ContainsInstancedReferenced property flag. This means that if you create a Ma ...

When editing a color curve at the emitter level color is not updated correctly at system level

UE - Niagara - May 6, 2019

Editing color curves at the emitter level will not propagate to the system level when saving and applying. The curve will look correct int the system stack, but the particle colors will not match. ...