User is able to drag duplicate events into the graph from My Blueprint

UE - Gameplay - Blueprint Editor - Sep 27, 2018

REGRESSION: Yes, this did not occur in 4.19 The user is able to drag an Event from My Blueprint panel into any graph, creating a duplicate Event Node. Additionally the dupe Event will have extra o ...

UE4Editor does not start when there are no audio devices available

UE - Platform - Linux - Sep 26, 2018

UE4Editor does not open when there are no audio input or output devices available. The editor hangs at 83% after it initializes the AudioMixer. This issue looks like it was caused by CL 4396954. Et ...

Replication node decorator does not appear on Timelines that are set to replicate

UE - Gameplay - Blueprint - Sep 26, 2018

A licensee has reported that Timeline nodes that are set to replicate do not have the replicated node decorator added, which would be seen on other nodes and variables that are replicated. Please re ...

FTransform(ENoInit) ensures in Debug on mobile platforms

UE - Foundation - Core - Sep 25, 2018

As of 4.20, ENABLE_NAN_DIAGNOSTIC is now enabled in all Debug configurations. However, this does not work well with the TransformNonVectorized that is used on platforms like android. If this combina ...

Get Input Touch State produces incorrect vector position

UE - Gameplay - Input - Sep 25, 2018

Get Input Touch State produces incorrect vector position when using it on Android. Tested in 4.19.2 (CL - 4033788), 4.20.3 (CL - 4369336), 4.21 (CL - 4395058) ...

When a client sends an Unreliable RPC to the Server in same frame with a Reliable RPC, Unreliable RPCs are Reliable

UE - Networking - Sep 25, 2018

When a client sends an Unreliable RPC to the Server in same frame with a Reliable RPC, Unreliable RPCs are Reliable. It implies extremely high lag on each lost RPC and all following ones. User lose ...

SketchUp models are too small once imported via the Datasmith plug-in

UE - Editor - Content Pipeline - Datasmith - Exporters - Sep 24, 2018

In Sketchup the user made a cube thats 100cm x 100cm x100cm and has Sketchup's measure units set to cm. When imported into DataSmith the cube is 39x39x39. It was calculated that the scaling was off ...

Missing Service Node warning when opening project

UE - AI - Sep 24, 2018

Services in the Behavior Tree sometimes don't work when the project is first loaded. The Behavior Tree will print a "missing service node" warning and the BT will remain inactive. This was reported ...

Object Type (Collision presets) not updating immediately after toggling 'Simulate Physics'

Tools - Sep 23, 2018

Collison -> Collision Presets -> Object Type does not immediately update when toggling simulate physics. Tested in Main CL 4374913 ...

Resizing the Editor window causes flicker effect

Tools - Sep 21, 2018

Resizing the Editor from 3 out of the 4 corners causes a flicker effect on the Editor window. The bottom right corner works normally but the other corners causes flickering. Link to video example:  ...