Crash loading sublevel that had name changed when it is unloaded.

Tools - Apr 2, 2019

Updated name of sublevel leads to crash when it is about to be loaded. ...

DDX and DDY no longer work properly close to the camera in 4.21 on Android in OpenGL ES 3.1

Platform - Mobile - Mar 29, 2019

DDX and DDY no longer work properly close to the camera in 4.21 on Android in OpenGL ES 3.1.  Worked in 4.20, no longer works in 4.21 or 4.22.  Originally reported as Oculus Quest specific, but repr ...

SubLevels can't be loaded after "Build Geometry"

Tools - World Composition - Mar 28, 2019

It relates to CL 4433780. ...

Can not edit Level Sequence Actor's Override Instance Data from Blueprint

Sequencer - Mar 28, 2019

Although DefaultInstanceData of Level Sequence can be edited by BP, bOverrideInstanceData can not be edited by BP. Therefore, to reflect the edited result of DefaultInstanceData by BP, it is necessa ...

Crash on debugging a minimized Blueprint (access violation in SWatchTreeWidgetItem)

Gameplay - Blueprint Editor - Mar 27, 2019

Debugging a blueprint with a breakpoint while the Blueprint Editor window is minimized causes the editor to crash. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5531554), 4.23 (CL - 5586947) ...

Incorrect number of parameters in empty Shipping version of the DrawDebugString() function signature

Core - Mar 26, 2019

The DrawDebugString() function has to versions. One is the actual function to display a string of debug text in non-Shipping builds, and the other is an empty function that is used in Shipping build ...

Editor crashes when using Convolution Bloom executing High Resolution screenshot.

Rendering - Mar 25, 2019

I confirmed in UE4.21.2. I attached the project to reproducte the problem. ...