ES2 Fallback Fails on Nougat Devices that do not support Vulkan

UE - Platform - Mobile - Aug 28, 2016

Discovered this while doing RC candidate testing for 4.13 Works fine in all other use cases: Nougat devices that support Vulkan Marshmallow devices that support Vulkan Marshmallow devices that don' ...

Discrepancy in capsule distance to floor when crouching

UE - Gameplay - Components - Aug 30, 2017

When crouching is set in the CharacterMovement Component, the distance from the character capsule to the floor increases by one unit while crouching. Regression: No - Same behavior occurs in 4.16.3 ...

Packaging with Steam VR plugin disabled requires an IDE

UE - Platform - XR - Jul 20, 2017

Disabling the SteamVR plugin in a Blueprint-Only project causes the packaging process to require an IDE to complete, as it requires compilation. Regression?: Yes This did not occur in 4.16.2 Note: ...

Crash upon adding an Interface to a Blueprint that has a function name that matches the name of a variable in the Blueprint.

UE - Gameplay - Blueprint Compiler - Oct 13, 2017

When you add an Interface to a Blueprint that contains a variable with the same name as one of the Interface's functions, the editor will crash upon compiling the blueprint. In 4.16, this only cause ...

Delay nodes occasionally don't fire the "Completed" output in a nativized build.

UE - Gameplay - Blueprint - Jun 13, 2018

This happens when the 32-bit LatentUUID signed integer that we generate for the delay node starts with "-1" when converted to an FString (e.g. "-1824950080"). During compilation, we pack latent fun ...

Play rate track does not work when using CreateLevelSequencePlayer

UE - Anim - Sequencer - Oct 13, 2016

Play rate track does not work when using CreateLevelSequencePlayer Regression: YES Worked: 4.12.5 CL:3039270 Broken: 4.13.1 CL:3142249 ...

[MAC] Editor keyboard bindings do not allow overriding already bound shortcuts

UE - Platform - Apple - Sep 9, 2015

When entering "ALT+B," to rebind keys to a function, red warning flashes for 1 frame, does not allow function to be rebound to this key combination *See attached image. ...

UKismetArrayLibrary::GenericArray_Shuffle is weighted to return some results more than others

UE - Gameplay - Aug 15, 2017

The implementation of UKismetArrayLibrary::GenericArray_Shuffle() will generate certain array shuffle results more often (up to three times as much) than others, rather than having a roughly equal c ...

Clicking the [Absolute] bottom of Buttons in Toolbar does not Function

Tools - Sep 9, 2015

Hovering over the absolute bottom of buttons in the toolbar, particularly in Blueprints, results in the button being highlighted, but not accessable. The area seems to be 1 or 2 pixels from the bot ...

Slight delay when switching between UMG buttons on Mac

UE - Editor - UI Systems - Dec 30, 2014

There is a slight delay when clicking between two different UMG buttons on Mac. Tested on OSX 10.10.1. There also appears to be a flicker on the Menu Bar. ...