Unreal Engine Issues

[AI] AgentToNavDataMap still contains entries when cleaning up navigation system

The navigation system has errors in the log for agents still being mapped to navigation data in CleanUp. This appears to stem from agent step height being recalculated in ARecastNavMesh::SetConfig i ...

Alembic import causing a crash

Importing this test asset will cause the editor to crash when using any of the Alembic Import options. I did notice that the source test asset does have 6750 frames but when going through the impo ...

Actor Scale is not included when converting from Matinee to Sequencer

Actor Scale is not included when converting from Matinee to Sequencer ...

nDisplay - UMG widgets sync

As soon as the widget was visible on the node/display at least once all nodes/displays receive the button press and correctly increase the counter. Therefore it seems like the widgets are only initi ...

The frame rate could be locked to around 45 occasionally on 90Hz android device.

UMG causes crash when running as a client on a dedicated server

If the settings for the multiplayer options are set as follows: Number of players : 1 Run Dedicated Server : True (Checked) Use Single Process: False (Unchecked) Editor Multiplayer Mode: Play As Cl ...

The packaged folder for a Linux project is more than twice the size of a windows folder

LinuxNoEditor folder from a packaged Linux game is more than double the size of a packaged Windows project folder (WindowsNoEditor). Results from packaging an empty Third Person Project Windows (6 ...

Lengthy Compile Times on Blueprints Containing an Array of Self References When Multiple Instances Exist in the Level

There are lengthy compile times with a blueprint with 50+ instances in the level that contains an array of self references. On lower-end machines, the compile times are upwards of 10 seconds. Found ...

Attempting to build MinidumpDiagnostics with Visual Studio 2015 Update 2 results in failure

When attempting to build the Minidump Diagnostics project from the UE4 source, it will fail if you're using Visual Studio 2015 Update 2. Please note that this does not occur in the base VS2015 or wi ...

Map load stalls in texture streaming code

A change was made to AActor.GetComponents which appends the results instead of resetting the output array. This seems to only impact 2 places in the code, and has a big side effect in the texture st ...