Unclear messaging when trying to make changes to a project when two instances of the project are open at once

Tools - May 20, 2019

If a user has a project open more than once, they will be given an error message when trying to save changes. This message could be more clear as to what issue has occurred. ...

Surface snapping attached actors cause unexpected behavior

Tools - May 17, 2019

Surface snapping causes erratic changes in scale to StaticMeshActors that have children of the same type. The user also has provided a potential solution to this bug (Please see the code below. N ...

Contact offset multiplier no longer working

Physics - May 10, 2019

Changes in physics code have caused rolling objects to behave differently. https://forums.unrealengine.com/development-discussion/content-creation/50364-rolling-ball-jumps-on-flat-surface Conf ...

Crash after Undo and garbage collection on sequencer track

Sequencer - Apr 18, 2019

A crash occurs after adding an additional camera track, undoing the additional, and then calling garbage collection Appears to be the same callstack found here UE-60944 ...

Editor on Mac can display progress bars on top of other application windows when the Editor is in the background

Tools - Apr 2, 2019

The Editor on Mac will display progress bars on top of other application windows when the Editor is in the background and does not currently have focus. This can interfere when attempting to do othe ...

Properties of placed-in-map actor instances may not replicate if their default has been edited

Networking - Mar 26, 2019

If the default value of a replicated property is edited on an instance of a placed-in-map actor, then on the server is value is changed back to the default, a client who joins in progress after this ...

Incorrect number of parameters in empty Shipping version of the DrawDebugString() function signature

Core - Mar 26, 2019

The DrawDebugString() function has to versions. One is the actual function to display a string of debug text in non-Shipping builds, and the other is an empty function that is used in Shipping build ...

Pivot Offset Module does not respect on/off toggle

Rendering - Cascade - Mar 22, 2019

Toggling the Pivot Offset module in a Cascade Particle System has no effect on the particle system's position. Tested in 4.20.3 (CL - 4369336), 4.21.2 (CL - 4753647), 4.22 (CL - 5439949), 4.23 (C ...

Functional Test won't start when placing a moving actor inside the level if setting Navigation Mesh's Runtime Generation to Dynamic

Gameplay - AI - Mar 21, 2019

User is trying to use the Functional Test class to construct some automated test cases. Whilst doing this they noticed that adding a BP_Actor (just a static mesh engine cube) that simply rotates (v ...

Wrong grouping separators are displayed when the Mac OS has been set to the German-Germany language and locale

Tools - Localization - Mar 21, 2019

When converting a numerical value to text with grouping enabled, the grouping character that is used is not properly localized on a Mac. By default, the grouping character that is used when in the e ...