Editor crash when attempting to access Window menu bar after compiling plugin through the editor

UE - Foundation - Cpp Tools - Plugin System - Jan 27, 2016

The editor will crash if the Window menu button next to Edit is pressed after compiling a toolbar plugin through the editor and attempting to click/use it. ...

Crash when Moving a Single Foliage Instance with over 15k Painted Instances

UE - World Creation - Worldbuilding Tools - Foliage - Apr 8, 2016

A licensee is reporting a crash when he transforms/moves a single instance of foliage, when there are 15,000 or more painted instances of that mesh in a single map. Regression Yes, I tested the sam ...

High Resolution Screenshot in Orthographic Unlit Mode Does not Capture Correctly

UE - Graphics Features - Jun 3, 2015

When taking a high res screenshot of an object in orthographic view in 'Unlit' mode, the object size in pixel is the same no matter the resolution multiplier. For instance if you set it to 10.0 th ...

Cannot override screenshot hotkey from editor in packaged game

UE - Gameplay - Input - Apr 27, 2016

The F9 hotkey for screenshots cannot be overridden in blueprints. Even removing the hotkey from the Editor Preferences>Keyboard Shortcuts list does not prevent the shortcut from being used in packag ...

Using "Show Mouse Cursor" breaks mouse axis movement

UE - Gameplay - Input - Apr 6, 2016

If Show Mouse Cursor is enabled and the mouse is not locked to the viewport, input axis information passed to other actors breaks after releasing and re-pressing LMB. Regression? (Yes), issue (do ...

Exporting data table adds memory address/serialization info to column names

Tools - Apr 26, 2016

Exporting a data table as a .csv causes column names to be replaced with memory address/serialization information, making it extremely difficult to read information presented. Regression? (No), is ...

Multi-line text functionality is removed from a print string variable when the variable is turned into an array within a struct

UE - Gameplay - Blueprint - May 5, 2016

Multi-line text functionality is removed from a print string variable when the variable is turned into an array within a struct. Regression (no), Multi-line text functionality for strings in struct ...

Investigate intermittent crash in CacheOptimizeIndexBuffer on Editor startup on Linux

UE - Platform - Linux - Nov 23, 2015

Building 4.10 from the GitHub release branch on Linux fails to open after install and instead crashes Community Suggested Fix: Switching triangle order optimization off with r.TriangleOrderOptimiza ...

Real-Time Collision for Spline Mesh Not Working in Packaged Game

UE - LD & Modeling - Terrain - Landscape - Feb 23, 2016

When attempting to dynamically set the collision of a Spline Mesh component, the collision settings are not kept in a packaged game. Found in 4.10.4. Reproduced in 4.11 Preview 6 and Main CL 28772 ...

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 ...