Incorrect usage of FText in EnsureMsgf does not trigger a compilation error, leads to crash in shipping

UE - Foundation - Core - Mar 1, 2018

Using incorrect formatting in FText does not cause compilation errors in EnsureMsgf as it does in other functions such as UE_LOG. This causes crashes to sneak through such as a crash on ensure when ...

VREditor: Right eye freezes when looking at a selected object with temporal upsampling enabled

UE - Platform - XR - Feb 27, 2018

The right eye of the HMD freezes when looking at an object that has been selected in VR Mode with Temporal Upsampling on. Happens with both Vive and Oculus. I did not see this when playing in VR. I ...

Crash Occurs When One Morph Target is Deleted and Another is Adjusted Afterward

UE - Graphics Features - Feb 26, 2018

Engine crashes when a morph target on an asset that has multiple morph targets is deleted and then another morph is adjusted afterwards Notes: Asset came from an older Jira where this same issue o ...

The FNetNameMapping::GetUniqueName function appends numerical values to the end of the previous name instead of replacing the previous name's numerical value

UE - Gameplay - Blueprint Compiler - Feb 23, 2018

The GetUniqueName() function attempts to make sure that all node names are unique. For nodes that are used a large number of times, it adds a numerical value to the end of the name. Prior to 4.18, t ...

[Feature Request] Add a project setting to change the number of texture samplers to support in ES2

UE - Platform - Mobile - Feb 23, 2018

Add an item to Project Settings, Android, "Support 16 Texture Samplers on ES2". The bBuildForES2 flag must be enabled for this setting to be active. The tooltip should read "Allow 16 texture samp ...

ModifiedDelegate and SaveDelegate in FSettingsSection are not always executed when a config value is changed

Tools - Feb 22, 2018

The comments describing ModifiedDelegate and SaveDelegate in FSettingsSection seem to indicate that the delegates should be executed after the settings section has been modified or should be saved. ...

Split screen causes rendering issues with lightshafts

UE - Graphics Features - Feb 21, 2018

There is an issue occurring where Split screen causes rendering issues with light shafts. This issue does not occur if you use the command " r.lightshaftquality 0" The issue no longer occurs. This i ...

Blueprinted class fails to instance private objects if the hosting subobject's class inherits an instanced variable

UE - Gameplay - Blueprint - Feb 21, 2018

Blueprints that contain an instanced private object that is nested under an instanced subobject and the defaults of that blueprint are set up using EditInLineNew, any instances of the blueprint will ...

Details panel is blank when compiling after setting default subobject property to None

UE - Gameplay - Blueprint - Feb 20, 2018

If the user sets a default subobject property to None, the Details panel for the component will be completely blank and not able to restore the subobject property in anyway. ...

Snap to Bone doesn't actually affect the rotation of a Constraint in the PhAT editor

UE - Simulation - Physics - Feb 20, 2018

Snap to Bone doesn't actually affect the rotation of a Constraint in the PhAT editor. The visualizer does show the expected rotation but the Constraint will still rotate in the same direction it was ...