Control of Camera is Lost When Piloting

Tools - Nov 16, 2017

Camera flies out of the control of the user. This is done without playing it in editor but by navigating the camera. ...

[CrashReport] UE4Editor_Slate!FSlateApplication::DrawWindowAndChildren() [slateapplication.cpp:1213]

Tools - Slate - Nov 10, 2017

This is a longstanding crash that has occurred since at least 4.13. User DescriptionsI cant package. Every time I try, I get a crash and an "Unknown Error"failed to switch between game modes and af ...

[CrashReport] UE4Editor_Engine!LoadSpecialMaterial() [unrealengine.cpp:1523]

Rendering - Nov 10, 2017

This is a longstanding crash that has occurred for more than 200 users since at least 4.13. Based on user descriptions this appears to permanently corrupt a project. User DescriptionsI just turned ...

Instanced Static Mesh collision not showing in Player Collision view

Physics - Oct 20, 2017

A licensee reported that the Player Collision viewmode is not properly showing collision for Instanced Static Meshes. Is there a change they can make to display this collision as well? [Image Rem ...

Move To Location or Actor Not Working if Location is Outside of Navmesh

Gameplay - AI - Oct 17, 2017

Move To Location or Actor will always fail if the target location is outside of the Navmesh, even if Use Pathfinding is disabled. Found in 4.18 P4 CL# 3685441. Reproduced in 4.17.2 CL# 3658906 & 4. ...

Corruption in rotating decal in TM-ShaderModels on iPhone 8 and X's

Platform - Mobile - Oct 9, 2017

This particular decal is animated and has a Translucent decal blend mode This occurs on both iPhone 8 and 8 Plus (11.0.2) It does not occur on: iPhone SE, iOS 11 beta1 iPhone 7 Plus, iOS 10.3.2 ...

Execution Doesn't Resume When Hitting BT Task Breakpoint and Trying to Resume in the Behavior Tree

Gameplay - AI - Oct 6, 2017

When a breakpoint is hit in a BT Task Blueprint, execution will not be resumed if you attempt to do so from the Behavior Tree that is running the BT Task. This will cause a crash if executed in the ...

Mouse Wheel Axis input gives different values in HTML5 packages, varying by browser

Platform - Mobile - Sep 28, 2017

The value given by the Mouse Wheel Axis is usually 1.0 or -1.0, depending on the direction. In HTML5 packages, this value varies based off the browser that is used. On Firefox (56.0): 0.025 or -0.0 ...

Crash when Undoing the change to a default class setting for widgets

Tools - UMG - Sep 25, 2017

The editor crashes when trying to undo a default class change for a child widget after that widget has been compiled. This did not happen in 4.16, it appears to be a regression. ...