Unreal Engine Issues

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)

Cannot negatively scale objects in editor with scaling widget

Objects do not react well to negative scaling with the scaling widget. Once an object hits 0 then pushes into negative values it begins stuttering between small float values until the user stops goi ...

EQS Query Not Detecting Different Floors

Running an EQS for something such as finding a random point on a grid will not generate results on multiple floors. See the attached screenshot for an example. Was unable to reproduce in 4.11.2 d ...

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 ...

AIController.BrainComponent not being set to user-created BehaviorTreeComponent instance

If a user manually created a UBehaviorTreeComponent for his custom AI controller, but forgets to set AIController.BrainComponent to point at that BT component then a fair amount of assumptions break ...

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 ...

Ambient Cubemap Assignment in Post Process Volume does not work with Forward Renderer

The Ambient Cubemap assignment in a Post Process Volume doesn't work when using the Forward Renderer. I want to note that Cubemap assignment in the Skylight does work. I checked this just to make s ...

Compilation manager inhibit construction script to get other actor reference on the level when running construction script right after actor compile.

Construction script execution following blueprint compile gets invalid actor reference if Blueprint compilation manager is enabled. For example, in the attached project, Right after blueprint compi ...

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 ...