Unreal Engine Issues

Unable to summon the virtual keyboard on Android 9.0 with TargetSDKVersion=28

Re-opening a Level with Datasmith Animation loses hierarchy

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

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.

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

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

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

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. ...

Fill Data Table from CSV File crashes editor if the data table is open

Attempting to use the Fill Data Table from CSV File node will result in a crash if the CSV file is open when running. ...

Trigger Montage Ended Event results in Unhanded Exception

TriggerMontageEndedEvent is calling RemoveAtSwap after the NotifyEnd callback which is not safe if the ActiveAninNotifyState array is modified by the callback. WorkAround:   Add a Delay node befo ...

Stale PerceptualData in AIPerceptionComponent

Also, reported here: https://udn.unrealengine.com/questions/497277/stale-perceptualdata-in-aiperceptioncomponent.html ...