Crash When Changing to Landscape Paint Tool With a Material Function for the World Position Offset of the Landscape Material

UE - Graphics Features - Feb 25, 2019

Crash on switching to landscape/paint tab when using a landscape material that has a material function hooked onto the WorldPositionOffset. Working as expected in 4.21 CL# 4753647 Found in 4.22 CL ...

Custom lighting channels ignored when object culled in stereoscopic

UE - Platform - XR - Apr 14, 2016

When a light that uses lighting channels is only visible in one view during stereoscopic rendering, it affects the default light channel instead of the assigned one in the view that it's not visible ...

Crash when connecting to source control

Tools - Dec 28, 2015

Attempting to connect to Perforce source control causes the editor to crash in 4.10.1. The action being preformed (connecting to source control) and repro steps (reported by licensee) match [Link R ...

Switching to different modes in the Modes panel causes PIE to take input from a connected VR headset for the Y axis camera movement

UE - Platform - XR - Dec 9, 2016

If a VR headset is connected, it will be used for Y axis camera input in PIE if you have switched to and from the Landscape tab in the Modes panel. You can fix this temporarily by reopening the edit ...

Pin wires do not connect correctly after collapse to function and duplication

UE - Gameplay - Blueprint - Mar 20, 2017

Pin wires do not connect correctly after collapse to function and duplication. Any node can cause this issue, I used an INT variable because it was quick to test with. Regression: This issue affect ...

[CrashReport] Mac crash in UE4Editor-Engine.dylib!LoadPhysXModules()::$_0::operator()()

UE - Platform - Apple - Jun 8, 2017

This is a common Mac crash that has been occurring since 4.15. It shares the same callstack with [Link Removed], but that was verified fixed for 4.16.0, while this crash still continues into 4.16. ...

Retainer Box's widgets will blend in incorrect space when retainer box uses material shader.

UE - Editor - UI Systems - May 8, 2017

Displaying the UMG content with a material shader will mean that it is drawn to an sRGB aware surface and thus blended in linear space instead of sRGB space (as widgets expect). In sceenshot-1.png t ...

On mouse Down not firing for left click on Button widgets when using precise click

UE - Editor - UI Systems - Aug 31, 2017

When using the left mouse button to click and drag a button, the on drag detected will not fire even when using precise click. This was not the case in previous versions of the engine (Works as expe ...

Unable to compile level blueprint after deleting a structure that was being used as a variable type

UE - Gameplay - Blueprint - Nov 6, 2017

After compiling, the variable disappears from the variable list which prevents the user from deleting it and being able to recompile the level succussfully Not a regression as it occurs in 4.18.1 a ...

Setting bIsOrthographic does not change the view to/from Orthographic view

UE - Gameplay - Nov 16, 2017

Editing the bIsOrthographic variable in PlayerCameraManager does not cause the view to change to/from Orthographic Regression?: Yes This worked correctly in 4.17.2-3658906+++UE4+Release-4.17 This d ...