Using Show Mouse Cursor causes mouse to become detached from game window

UE - Editor - UI Systems - Slate - Aug 24, 2015

Using the Show Mouse Cursor command (or BP node) will make the mouse appear in the game window however at that point the mouse does not interact with the game unless one of the mouse buttons is held ...

Dbuffer Decals will flicker when

UE - Graphics Features - Mar 30, 2016

When applying a dbuffer decal to a surface with a small axis value for the decals size it will flicker. Attached gif to demonstrate. Reproducible in: 4.11 P8 CL-2916259 Dev-Main CL-2922677 ...

Asset selection menu tooltips can overlap the dropdown menu

Tools - May 23, 2016

Asset selection menu tooltips can overlap the dropdown menu. It is using the Content Browser tooltips, which attempt to go down and to the right of the menu. However, if the menu is close enough t ...

Target Rotation of Physics Handle doesn't register and can't be manipulated on tick

UE - Gameplay - May 26, 2016

Target Rotation of Physics Handle doesn't register and can't be manipulated on tick User Description: I mentioned some versions before that rotation of Physics Handles is broken and now it is even ...

Launching HTML5 from Project Launcher causes an error

UE - Platform - Mobile - Dec 13, 2016

Projects launched from project launcher are receiving an expression error on Google Chrome and FireFox. ...

Actor leaves behind ghost collision when detached and simulating physics

UE - Simulation - Physics - Jan 18, 2017

Actor leaves behind ghost collision when detached and simulating physics. The collision doesn't show when 'Show Collision' is enabled but from the physics simulation it is clear that a collision box ...

Set Actor Enable Collision doesn't turn off collision for Child Actor Components

UE - Gameplay - Jan 30, 2017

Set Actor Enable Collision doesn't turn off collision for Child Actor Components. User expects it to do so because other nodes like Set Hidden in Game work on the entire actor and the API explains i ...

Instanced Components variable not returning updated values in the construction script

UE - Gameplay - Blueprint - Jun 4, 2018

It is currently not possible to set variable values of an actor component, instanced in the level, by using the "details" pane. The Actor's construction script will only evaluate the variable defaul ...

"Found plugin in two locations" error when calling BuildPlugin on .uplugin named the same as one in \Engine\Plugins\...

UE - Foundation - Cpp Tools - UnrealBuildTool - Oct 2, 2018

In 4.20, calling BuildPlugin on a plugin outside the \\Engine\Plugins\... folder whose .uplugin has the same filename as a plugin inside \\Engine\Plugins\... generates the following error: ERROR: F ...

Setting KeepState as default in LevelSequences makes Sequencer blend animations not as expected

UE - Anim - Sequencer - Nov 27, 2018

Setting "Keep State" for an animation in sequencer makes the sequence behave differently in Sequencer and in Play Mode. The animations appear to be blending together instead of having normal transit ...