Get Mouse Position Blueprint node returns different values outside of viewport depending on whether it was called from Event Tick, or within an Actor function

Gameplay - Nov 15, 2018

There seems to be a discrepancy between the output of Get Mouse Position node depending on whether the node is inside an Actor function or called from Event Tick. If the node is present inside a fun ...

Sequencer render movie output not rendering Construction Script results

Sequencer - Nov 15, 2018

The rerun construction feature works while scrubbing/playing in the sequencer and observing the results in viewport, However, when outputting the movie using Sequence Movie Output. The results of th ...

Adding HISM instance on a Dedicated Server causes a crash

Tools - Nov 14, 2018

Adding an instance of an HISM on a dedicated server causes an assert. Regression?: No This occurred in 4.20 ...

The Mirror option in the Physics Asset editor is not accurate

Physics - Nov 13, 2018

The Mirror option in the Physics Asset editor is not accurate at mirroring the bodies. The position and rotation is always skewed. Regression? No This occurs in 4.20 ...

Rect Light Source Creates Black Artifacts When Overlapping a Mesh While Light Shaft Bloom Is Enabled

Rendering - Nov 9, 2018

A black line will appear If a Rect Light is overlapping a mesh while a Directional Light has light shaft bloom enabled. This line will originate from where the edge of the source is overlapping the ...

Creating a Blueprint Variable for InputActionKeyMappings, and then removing the default input parameter causes crash.

Gameplay - Input - Nov 9, 2018

Upon creation and compilation of a Blueprint Variable of type InputActionKeyMappings, when clicking the "X" to remove the default input key parameter causes the editor to crash. ...

Delay when attempting to input Korean characters using an IME with certain types of text boxes

Tools - Localization - Nov 8, 2018

A user has reported that inputting Korean into certain types of text boxes in the editor using an IME results in delayed input. The user reports that this occurs with SMultiLineEditableTextBox in th ...

Copy+Paste with custom widget seems to "break link" with default values

Tools - UMG - Nov 8, 2018

It should be noted that this issue does not occur if you were to create a new "test widget" (by dragging it from the widget list) every time instead of copying and pasting an existing widget. The i ...

Possession is not replicated properly to some clients

Networking - Nov 8, 2018

A user has reported an issue where Possession replication or Character Movement replication, unsure of which, is not working properly for some clients. It seems to work fine for the first client but ...

Calling "GetCameraImage" rapidly ~10 times causes ARKit camera feed to stop updating

Virtual Reality - Nov 8, 2018

If you call the "GetCameraImage" function rapidly ~10 times, it causes the ARKit camera feed to stop updating.  Waiting for awhile or tapping some more seems to bring it back.   Tested on macOS H ...