Cannot set auto success range to an invalid value in the AIPerception component

UE - AI - May 3, 2019

When modifying the value of "Auto Success Range from Last Seen Location" to a value that is not it's default, you can not set it back to its default -1 one value. This was reported and tested in 4 ...

values for pinch input produce very different results for same area on android device

UE - Platform - Mobile - Oct 13, 2017

Values for pinch input produce very different results for the same area on an android device. values can range from 0 to 1, or end up in the thousands, despite the pinch distance being the same. It ...

Server RPC with struct param containing class reference does not pass parameter

UE - Networking - Apr 2, 2018

Class ref is not passed to server within the struct in UE 4.19. Instead, the default value is passed to the server. LogNetPackageMap: Warning: SanityCheckExport: CacheObject == NULL. NetGUID: 1, Ob ...

Clicking a button in UMG stops all tilt information

UE - Editor - UI Systems - Nov 14, 2014

Tilt information is no longer taken after clicking on a button in UMG. The tilt information goes to all zeros. That is until the user clicks else where at which point the device will then start regi ...

Modulated shadows do not render in the correct area on older devices / versions of Android OS

UE - Platform - Mobile - Apr 5, 2016

This issue was reported by a user who was having issues with their modulated shadows showing up in random spots on their mobile devices. Their devices were a Samsung Galaxy Note 2 and a ASUS Zenfon ...

Crash with FBX with LODs when distance fields and Generated Lightmaps are enabled

UE - Graphics Features - Jan 12, 2015

DESCRIPTION: When importing a mesh with 1 or more additional LODs when Generate Mesh Distance Fields has been enabled via the Project settings will cause a crash if the import options include using ...

Crash when connecting to Source Control

Tools - Apr 27, 2016

Attempting to connect to Source control causes the editor to crash immediately. According to Travis.L this only affects Binary builds. Regression: YES - Connecting to source control worked as expec ...

Make array node elements break when editing struct elements

UE - Gameplay - Blueprint - Sep 23, 2015

If a Make Array BP node is connected to a structure, using the "Split Struct Pin" and "Remove Array Element Pin" options causes array elements numbers to change randomly. ...

Crash due to D3D device being lost. (Error: 0x887A0006 - 'HUNG')

UE - Graphics Features - Feb 22, 2017

This JIRA has been made to consolidate all "D3D device being lost. (Error: 0x887A0006 - 'HUNG')" crashes into one. Previous Jira tickets include:[Link Removed][Link Removed][Link Removed][Link Remo ...

Launching on IOS, sessions do not appear in the Session Frontend

UE - Networking - Oct 17, 2018

Licensee reports: Dug into this further and our iOS devices aren't receiving any of the handshake messages sent by the Session Frontend (or any other UDP messages for that matter) because multicast ...