Engine Scalability Resolution Scale does nothing until r.ScreenPercentage.Editor is set

UE - Graphics Features - Jul 10, 2015

The Resolution Scale Slider in the Engine Scalability Settings does not adjust any settings unless your first adjust the r.ScreenPercentage.Editor variable. Also reproduced in Main - Promotable - C ...

sg.ResolutionQuality command doesn't work

UE - Graphics Features - Jan 9, 2015

Using the sg.ResolutionQuality command in code or the console has no effect in 4.6.1 or 4.7. ...

Ctrl + z still active in PIE

Tools - Jan 20, 2016

Users can select ctrl + z while playing in Editor causing PIE to stop and undo last change, often freezing the editor temporarily, and sometimes causing a crash. Workaround: This does not occur if ...

Crash When Selecting Actor in the World Outliner That is Using ColorGradingMode

Tools - Jun 2, 2017

When selecting an actor in the World Outliner that is using the ColorGradingMode specifier (ColorGradingMode = "saturation"), the editor crashes. This did not occur in 4.15.3. This is a regression ...

Editor crash when calling SGridPanel::SetRowFill

Tools - Aug 22, 2017

Calling SGridPanel::SetRowFill on an actor's BeginPlay causes the editor to crash with the callstack provided The reporter mentioned SetRowFill uses if() statement where SetColumnFill uses while() ...

Box Collision component with physics interacts with the player capsule when set to Overlap only

UE - Simulation - Physics - Dec 8, 2017

Box Collision component with physics interacts with the player capsule when set to Overlap only. This only seems to happen when both the Box Collision and the player capsule are set to Generate Ove ...

Building Lighting fails when lightmass importance volume scale is large

UE - Graphics Features - Jan 30, 2018

There is an issue when attempting to build lighting with a large lightmass importance volume when you build the lighting the editor freezes. This issue appears to be a regression Versions tested: 4 ...

Controller Assignments appear incorrect for UI when "Skip Assigning Gamepad to Player 1" is set to true

UE - Editor - UI Systems - Jul 16, 2019

When using a controller to navigate/ interaction with UI it appears that the "Skip Assigning Gamepad to Player 1" option is not taken into account when assigning input for UI. ...

Engine crashes after editing a struct variable in use.

UE - Gameplay - Blueprint - Aug 27, 2020

After editing any struct variable in use such as adding, removing, or editing, and then compiling afterward the engine crashes. Sometimes it crashes after a few seconds. ...