Unreal Engine Issues

Outside of AnimBP's, Animation Sequences with negative Rate Scales do not animate

Animation Sequences with negative Rate Scales do not play outside of using them in Animation Blueprints...unless they are looping. UPDATE: A negative rate scale value also breaks Anim Montages. ht ...

Code classes that include a CableComponent cannot be built in Visual Studio without making a modification to the CableComponent.h file in source code.

Adding a cable component to a custom code class will result in a build failure in Visual Studio unless the Cable Component's source code is modified to include CABLECOMPONENT_API. ANSWERHUB:https:/ ...

Hot Reload Crash involving variables in USTRUCTs

This issue was created for this UDN post: https://udn.unrealengine.com/questions/306933/hotreload-crashbad-behavior-when-addingremoving-pa.html This repro is based off his last repro, cutting it do ...

Segment to Segment Navigation links not usable/working

A licensee asked about SegmentLinks not working. These were apparently disabled because they were buggy and are waiting to be fixed, but not currently being worked on. Adding this to JIRA since ther ...

Crash on Galaxy S7 devices with Mali GPU (SM-G930F / SM-G935F)

CommitMapChange doesn't fully deal with sub-levels

Per https://udn.unrealengine.com/questions/329206/crashes-when-streaming-levels-in-414.html When inspecting the code for this report, it has become clear that the streaming levels of the incoming m ...

UV merging issue when merging meshes with multiple materials

See https://udn.unrealengine.com/questions/505632/view.html for more details Repro: -Have a mesh with 3 sections and 3 materials, assign section 1 to material 1 and section 2&3 to material 3. -Pla ...

LIVE: On MAC, Atmospheric Fog Preview Renders Incorrectly with Default Settings

On a Mac, Following the tutorial located here: https://answers.unrealengine.com/questions/132223/macbook-pro-preview-rendering-issues.html When opening a new level, the atmospheric fog renders soli ...

FVoiceSerializeHelper doesn't add references to AudioComponent instances

"FVoiceSerializeHelper doesn't add references to AudioComponent instances" ShooterGame crashes when following the repro steps provided by the licensee, listed below and on the UDN post. Crash image ...

Copy/paste/duplicate has no effect on Linux

Attempting to copy/paste or duplicate a node in blueprint or HUD element in a widget blueprint does not create a copy of the node or element. Edit: This also applies to copying nodes in the materi ...