Unreal Engine Issues

Visibility of World Outliner doesn't affect skylight

Visibility of World Outliner doesn't affect skylight. But it affects other kinds of lights like Point Light, Directional Light. I found that USkyLightComponent::CreateRenderState_Concurrent() doesn ...

4.21 PIE Issues in High DPI

Using a High DPI monitor with a multiple players PIE window results in the 2nd PIE window not saving its location when moved around. Using a monitor with a smaller DPI scale the 2nd window will save ...

Changing case of characters in certain fields does not save the change

Capitalization of Struct variable names, Blackboard key names, Enumeration names and other various fields cannot be changed without changing other parts of the variable to completely change it. Simp ...

Reversed Animations don't play properly using Skeletal Mesh Pose and animations with Keep State in Sequencer

The bug seems to only reproduce when setting animations in sequencer and only if the animations are set to "Keep state". Setting them to "restore default" makes the reversed animation play correctly ...

ScrollBox can't be scrolled in a 3D widget on mobile device

Making magenta noise in Emissive Map when creating proxy mesh

Since magenta is a special color used for initialization of the UE4 and it may have occurred problem because we are performing a branch using equal.[Link Removed][Link Removed] Licensee wants to us ...

Alpha Compression Artifacts

Confirmed in Main 4.22 @ CL 4586854 in 4.21 Alpha looks to be about 1 pixel larger than other channels in certain parts of the texture "The issue is not improved by changing compression settin ...

Mobile VR App Crash with Monoscopic Far Field and Multi-View enabled

Mobile VR (Oculus Go) App Crash with Monoscopic Far Field and Multi-View enabled Workaround: Do not use Monoscopic Far Field and Multi-View at the same time Also confirmed in 4.22 Main @ CL 45 ...

Wacom Tap to Left Click Doesn't Work with Drop Down Menus

While using a Wacom tablet, if you tap to click on drop down menus they will not open up. The menu will appear for a moment then close immediately. Occasionally if you click away from the drop down ...

Use Mouse for Touch leads to fire Released and Clicked with Pressed at the same time for UMG Button

Pressed, Released and Clicked should be fired in the same manner w/wo Use Mouse for Touch option. These three events are fired at the same time when enabling the option. [Image Removed] ...