Overridden Events that can be called in editor are indistinguishable from their parent's counterparts inside of child blueprints

Gameplay - Blueprint Editor - Apr 18, 2019

If an actor has a custom event that can be called in the editor and that event is then overridden by a child blueprint, both events will show up in the details panel. The issue is that these two eve ...

Crash after Undo and garbage collection on sequencer track

Sequencer - Apr 18, 2019

A crash occurs after adding an additional camera track, undoing the additional, and then calling garbage collection Appears to be the same callstack found here UE-60944 ...

Planar Reflections Falling Back to Baked Probes at Certain Angles

Rendering - Apr 18, 2019

Planar Reflections Falling Back to Baked Probes at Certain Angles. Found in 4.21 CL# 4753647,  4.22 CL# 5660361, 4.23 CL# 5974510 Working as expected in 4.20 CL# 4369336 This is a regression ...

Cannot build Engine in Debug Editor configuration due to error caused by string literals in ClientSession.cpp

Enterprise - Apr 18, 2019

Attempting to build the Engine using the Debug Editor configuration results in a build failure related to a string literal (error C2338: Formatting string must be a TCHAR array.). There are three ch ...

High framerates result in desyncs with clients when using a dedicated server.

Gameplay - Player Movement - Apr 17, 2019

When a client operates at a high framerate on a dedicated server, their player movement will become desynced with the server. This manifests in different ways on different versions. In 4.21, it caus ...

Config entries to re-open asset windows are deleted if the Editor is shut down while a debugger is attached

Tools - Apr 17, 2019

When the "Restore Open Asset Tabs on Restart" option is turned on in the Editor Preferences window, closing the Editor while a debugger is attached appears to remove any saved asset tabs from the Ed ...

Crash in FVulkanLinuxPlatform

Platform - Linux - Apr 17, 2019

Using the command in the repro steps on Linux will cause the Editor to crash and CrashReporter to pop up with a callstack. This behaves differently when tried on Windows with -vulkan. The project ...

Motion controller components created in c++ do not appear to update their location

Virtual Reality - Apr 17, 2019

The motion controller component does not appear to update it's location if was created in a C++ project. regression: This appears to work as expected in the 4.21 release of the engine ...

Attempting to Rename Multiple Sockets Crashes the Editor

Anim - Apr 17, 2019

Having multiple sockets selected results in a crash when attempting to change the names of them all at once. The box to change their names appears to be grayed out but you can still click into it. U ...

Camera FOV Above 90 Causes Landscape LODs to Flicker

Tools - Landscape - Apr 17, 2019

Camera FOV Above 90 Causes Landscape LODs to Flicker Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, 4.23 CL# 5934407 ...