D3D HUNG crash - FD3D11DynamicRHI::RHIReadSurfaceFloatData()

UE - Graphics Features - Jan 18, 2017

This is one of the widespread D3D Hung crashes that have existed since 4.14. This particular callstack has affected around 300 users. The issue has been successfully reproduced on a home PC. Dxdi ...

Input disabled for all UMG when SetIsEnabled is called from code

UE - Editor - UI Systems - Mar 10, 2017

Calling SetIsEnabled on a UMG button in code will prevent any UMG input from being read (can't click other buttons/checkboxes, can't enter text into field, etc). Regression: No - code used does not ...

Per-section shadow/collision flags lost when merging actors

OLD - Anim - Mar 24, 2017

Information loss when merging actors such as cast shadow and collision. If one of the actors being merged has a different setting such as not casting shadows. This information will be lost and repla ...

[CrashReport] Assertion failure in NameTypes.h after CookOnTheFly

UE - Foundation - Core - Apr 25, 2017

This is a top crash occurring for users in the 4.14 and 4.15 releases. Unfortunately no user-descriptions of the issue have been provided, so information is limited. Despite a different callstack, ...

Crash duplicating or deleting any component inside of Actor BP if lights or triggers are present

UE - Gameplay - Blueprint Editor - Apr 25, 2017

When duplicating or deleting a component whilst a point light is also a component within an Actor BP, the editor crashes. See callstack for info. This is a regression. Working: 4.15.2 Broken: 4.16 ...

Auto Exposure in Static Mesh Editor whites out the viewport when Vert Colors is enabled

UE - Graphics Features - May 4, 2017

In the Static Mesh Editor, Enabling Vert Colors causes high exposure in the viewport. Workaround Disable Auto Exposure in the Project Settings > Rendering > Default Settings This is a Regression ...

Hang occurs on Mac when Japanese input is selected and the window to select the parent class for a new Blueprint is opened with the All Classes section expanded

UE - Platform - Apple - Aug 10, 2017

The Editor will hang on Mac if Japanese input is selected on the Mac and the window to select the parent class for a new Blueprint is opened with the All Classes section expanded. REGRESSION: No. T ...

Enums in BP Structures display as Byte on Struct save

UE - Gameplay - Blueprint - Aug 15, 2017

When an enum variable is added to a BP struct, saving the struct causes the enum to display its type as a Byte rather than the specified enum. Regression: Yes - This behavior does not occur in 4.16 ...

Using reset to default arrow does not cause blueprint to dirty

UE - Gameplay - Blueprint - Sep 7, 2017

When using the yellow arrow beside of settings in the editor to reset values back to their default in blueprints, the blueprint does not dirty. This was working as expected in 4.15, however after ...

Editor crash on blueprint compile that contains edited BP Struct

UE - Gameplay - Blueprint - Sep 11, 2017

When a blueprint graph contains a "Make Struct" node for a blueprinted Struct, changing any pin's type causes the editor to crash when the blueprint is compiled. Regression: No - same behavior occu ...