Unreal Engine Issues

World Position Offset causing Cracks in Meshes on certain iOS Devices

When using World Position Offset and pushing verts of a mesh, cracks appear on the surface using WPO when deployed to an certain iOS devices. I used the Mobile Previewer to compare results to how t ...

Crash Occurs Enabling new Audio Mixer with Audio Devices Disabled

If a user has all their audio devices disabled, and then enables the new audio mixer for 4.16, a crash occurs when trying to launch any new or existing project. This is a regression as this crash d ...

Allow close set to false in the project settings does not prevent the user from closing the game window

User can still close the game window when the "Allow close" option is set to false. When unchecking similar options (such as allow maximize) the buttons are no longer available. ...

DeltaTime returns inaccurate time when Tick Interval is positive

When disabling/enabling tick at runtime, if (TickInterval == 0) then DeltaTime returns as the length of a frame, but if (TickInterval > 0) DeltaTime returns as the length between when tick was disab ...

Disabling Gear VR plugin causes packaged game to crash on launch

Disabling the Gear VR plugin causes packaged games to crash on launch. This could be related to [Link Removed] but this is new to 4.16 and does not prevent packaging the project, only launching it a ...

Visual inconsistencies when zooming in/out in the designer tab

Visual inconsistencies when zooming in/out in the designer tab. In the example provided. There is a vertical box containing sever images with a top padding of 1. When zooming in and out of the graph ...

Check box takes input when set to Self Hit Test Invisible

The Self Hit Test Invisible is not working as intended for the Check Box component in 4.16. The check is still taking in an input. This issue does not occur when using the "Hit Test Invisible" optio ...

T.MaxFPS not restored when exiting PIE while Fixed Frame Interval Playback is enabled

T.MaxFPS not restored when exiting PIE while Fixed Frame Interval Playback is enabled Regression: YES Directly related to CL:3365017, it would seem. Broken: 4.16 Worked: 4.15 ...

4.16.1 Android Development builds crash on start with "unfortunately [App] has stopped"

Removing components from Landscape with simplified collision results in assertion

Performing operations on a Landscape with simplified collision can result in an assertion ...