BlueprintNativeEvents with no return value (void) cannot be overridden in Blueprints.

UE - Gameplay - Blueprint - Dec 22, 2014

BlueprintNativeEvents (and BlueprintImplementableEvents) are not available to be overridden in a Blueprint Graph if they do not return a value. This affects both functions present in source code, as ...

Overridden custom functions have inputs locked when parent actor is altered

UE - Gameplay - Blueprint - Sep 14, 2016

Overridden custom functions have inputs locked when parent actor is set to different blueprint type. Regression (no) issue (does) occur in 4.12.5 ...

dragging from wildcard array output to a node with an exec pin changes wildcard to exec variable

UE - Gameplay - Blueprint - Oct 18, 2016

dragging from wildcard array output to a node with an exec pin changes wildcard to exec variable. Regression (no) issue (does) occur in 4.12.5 ...

Print string to screen is interrupted if Console Command prompt is opened and specific keys are pressed

UE - Gameplay - Blueprint - Nov 4, 2016

Print string to screen is interrupted if Console Command prompt is opened and specific keys are pressed. Regression (no) issue (does) occur in 4.12.5 ...

Unable to read Stat FPS text on Samsung S6 Edge

UE - Platform - Mobile - Oct 28, 2016

This is only occurring on the Galaxy 6 Edge. Was tested on multiple iOS and Android devices and could not repro Galaxy S6 Edge_6714 OS: 5.0.2 ...

App crashes when walking off the edge of the platform in QAEntry on tvOS and iOS

UE - Simulation - Physics - Oct 10, 2016

App is crashing when walking off the edge and the player ragdolls tvOS 10.0 iPhone6S+_6241 OS: 9.3.5 Did NOT occur on SamsungS7_8344 ...

Pose assets do not snap to the pose when Additive is disabled

OLD - Anim - Oct 24, 2016

This is a regression from 4.13.1 as it was snapping to the pose then. If this was an intentional change please let us know and we can update the test case to reflect this. ...

AvfMedia: Many file types supported on macOS and iOS are reported as not supported in UE4

Media Framework - Sep 6, 2016

See also https://forums.unrealengine.com/showthread.php?64082-Media-Framework-Roadmap&p=590662&viewfull=1#post590662 ...

OSVR crashes UE4 on exit of -game -vr

UE - Platform - XR - May 6, 2016

Found on: //UE4/Dev-VR CL-2967563 Sometimes (3/5), when exiting -game -vr with the OSVR running, UE4 will crash. ...

Typo in Checkbox description

Tools - Nov 11, 2014

Under Project settings > Packaging>"For Distribution" when the user scrolls over this area, the pop up description reads "...If disabled, an development build will be created." ...