Motion Blur creates dark artifacts on bottom of screen in editor

UE - Graphics Features - Aug 15, 2016

When motion blur is active and the view port is in motion there will be a dark artifact visible at the bottom of the screen. Normally this isn't very noticeable however the effect worsens with speed ...

Max Angular Velocity Value Being Reset

UE - Gameplay - Jun 6, 2016

The value of Max Angular Velocity on a component is being reset after changing the value and compiling the blueprint. Found in 4.12 binary, reproduced in Main CL 2994701. Could not reproduce in 4. ...

Setting color in linear color struct variable within another struct crashes the editor

UE - Gameplay - Blueprint - Jun 16, 2016

Setting color in linear color struct variable within another struct crashes the editor. Frequency: 4/4 Regression (yes) issue (does not) occur in 4.11.2 ...

Converting BSP to static mesh on Linux causes the editor to crash

UE - Platform - Linux - Mar 11, 2016

Converting a BSP to a static mesh will freeze and crash the editor when done on Linux. Windows does not exhibit the same conversion crash. ...

Crash when changing the number of instances in a grouped sprite component at runtime

UE - Gameplay - Paper2D - Aug 4, 2016

A crash occurs when you remove a Sprite Instance within a Paper Grouped Sprite component of an Actor BP on Event Begin Play. I was able to reproduce this crash in the binary releases of 4.11.2 and ...

Adding a C++ CameraComponent to the Vehicle in the Vehicle C++ template causes compilation errors.

Docs - Samples - Jun 14, 2016

When adding a C++ component based off Camera Component to the vehicle BP in the C++ Vehicle template, the code will fail to compile. Error message: D:\Epic Games\4.11\Engine\Source\Runtime\Engine ...

Quickly docking tab into the main window can cause duplicate tabs to appear

UE - Editor - UI Systems - Slate - Aug 18, 2016

When you quickly dock a tab to the main window, you can sometimes end up with 2 identical tabs. This causes some weird behavior, such as every action being done in one window being replicated in the ...

ShowDebug Overlapping Text

Tools - Apr 27, 2016

Using the showdebug commands during play results in overlapping text that is difficult to read. Found in 4.11.2 binary. Reproduced in 4.10.4 binary and Main CL 2852833. Regression? No, also occ ...

Create Comment from Selection Option Not Working in Behavior Tree

Tools - Jun 8, 2016

In a behavior tree, while having multiple nodes selected, using the Create Comment from Selection option does not create a comment box as expected. Found in 4.12.1 binary. Reproduced in 4.11.2 bina ...

[SolidWorks] Complex assemblies will not import correctly

UE - Editor - Content Pipeline - Datasmith - Importer - Aug 25, 2018

Using Solidworks 2017 Service pack 4.1 the sldasm files only partially import. Instances, folders, and suppressed parts also mess up the import. Suppressed parts show up from different configuration ...