Auto Convex Collision will cause crash when using significantly small meshes

UE - Gameplay - Dec 16, 2015

A hard crash can happen when applying auto convex collision to a complex mesh that is below a certain build scale or screen size. The meshes that cause this have higher poly counts and increasing th ...

Animations on joints with ZXY Rotation Order don't work in 4.10

Tools - Dec 15, 2015

Animations on joints with ZXY Rotation Order don't work in 4.10. The attached fbx has an animation that should show the thigh_l joint rotating back and then back to default position. This bug does ...

glDebugMessageControlKHR in InitDebugContext() causes Zenfone 5 app crashes on launch

UE - Platform - Mobile - Dec 15, 2015

Game applications crash on Zenfone 5 once they're launched. This seems to be due to the InitDebugContext(). Chris requested this to be entered for tracking purposes. Chris B: I believe the problem ...

Dangerous Casts in Editor Modes

Tools - Dec 15, 2015

User found that our editor mode functions don't do static casts, and thus you can cast to classes that don't share a common base class with the pointer class we're casting from, resulting in some na ...

If a Blueprint made from a class using PostLoad is saved immediately before and after PIE, a crash can occur

UE - Gameplay - Blueprint - Dec 14, 2015

Using PostLoad in a class that has a Blueprint derived from it can result in a crash if the Blueprint is saved immediately before and after PIE. CrashReporter Link: [Link Removed] ...

Attempting to apply instance changes to blueprint after altering a struct array crashes editor

UE - Gameplay - Blueprint - Dec 14, 2015

Editor crashes if a struct array that has been made editable is edited in an instance within the details pane of the level viewport, then the changes are applied from the instance to the base bluepr ...

Throbber color does not appear to change when modifying the tint value

UE - Editor - UI Systems - Dec 14, 2015

If the user changes the tint color of the throbber widget the color of the widget does not appear to change. ...

Performance issues with World Composition

Tools - Dec 14, 2015

Licensee reports performance issues with ULevelStreaming::GetWorldAssetPackageFName, repeatedly constructing an FName for every sublevel. Should cache this. ...

"Prompt for checkout on asset modification" check box no longer makes "Files need checkout!" message appear

Tools - Dec 14, 2015

"Files need check-out!" dialog no longer appears when you begin to modify an asset that is not checked out. Setting is enabled by default: [Image Removed] But message doesn't appear if you, for e ...

The IOS Third Party library Bolts has an incorrect file name in its Build.cs file

UE - Platform - Mobile - Dec 11, 2015

The Bolts library is not correctly linked in its Build.cs file. The Build.cs file contains the following line with an incorrect file name: PublicAdditionalShadowFiles.Add(LibDir + "/Bolts.a"); The ...