Differences in Auto-Exposure between Editor PIE and Packaged Build for VR

UE - Platform - XR - Apr 3, 2017

A licensee is reporting a difference in auto-exposure brightness levels between PIE and a Packaged project. He is working in VR, but since I was not able to reproduce the issue on my end it is hard ...

ChildActorComponent requires lighting to be rebuilt each time level is opened

UE - Gameplay - Apr 1, 2017

I was able to reproduce the loss of cached lighting data on latest, however I did not hit the code that emits the warning message as noted in the thread. ...

[CrashReport] UE4Editor_D3D11RHI!VerifyD3D11CreateTextureResult() [d3d11util.cpp:276]

UE - Graphics Features - Mar 30, 2017

This crash seems to be related to or a continuation of [Link Removed], where that specific CrashGroup stopped receiving new crashes after the 4.10 release. This one has occurred from 4.13 - 4.15 (s ...

Setting Simulate Physics on a Non-Root Component in a Replicated Actor Causing Offset on Client

UE - Networking - Mar 30, 2017

Setting Simulate Physics on a non-root component in a replicated actor is causing the static mesh component to be offset on the client. ...

Crash when using Consolas font on Android SDK 24

UE - Platform - Mobile - Mar 29, 2017

A licensee reported that using the Consolas font on Android will cause the game to crash. I've narrowed it down to only occurring in the Android 24 SDK and on the ASTC configuration. Using Android(A ...

Animation System relies on FindFunctionByName which is not thread safe.

OLD - Anim - Mar 29, 2017

Currently, there are several places in FAnimInstanceProxy and FAnimNode_Base (and derived classes) that rely on FindFunctionByName in order to resolve transitions, evaluate pins, etc. This can happ ...

Sequencer: SourceData[x].SourceIndex may be larger than the size of the Sections array, causing a crash

UE - Anim - Sequencer - Mar 29, 2017

A licensee has encountered a crash when loading Sequencer Assets that occurs in BlendSegment during a sort lambda. It's possible to end up in a situation where the SourceIndex being sorted is larger ...

Potential crash when an active timer removes itself from the ActiveTimers array

UE - Editor - UI Systems - Slate - Mar 29, 2017

A licensee experienced a one-off crash that appears to be related to an active timer removing itself from the ActiveTimers array, leading to an out-of-bounds crash when we try to unregister it again ...

Behavior Tree marked as changed on open when containing Run Behavior node

UE - AI - Mar 29, 2017

When a behavior tree contains a Run Behavior node, opening the behavior tree marks the asset as "modified" and users would get asked by the editor if they want to save it even when there has been no ...

Listen Server Without Microphone Will Drop Clients with Microphone if Voice is Enabled

UE - Networking - Mar 28, 2017

Listen servers that do not have a microphone hooked up are dropping clients that do have microphones when the client attempts to transmit voice. The log contains the following errors: [2017.03.28- ...