Reimporting static mesh with static mesh editor window open will cause crash

Tools - Jun 12, 2015

When generating a collision box for a static mesh and reimporting the mesh with the static mesh editor window open will result in a crash. [Link Removed] ...

Instanced subobjects are not always instantiated as expected.

UE - Gameplay - Blueprint - Aug 13, 2015

Instantiation of subobjects does not behave as expected when using the DefaultToInstanced UCLASS specifier. The licensee that reported the issue provided a sample project with some ensures added whe ...

Sphere Physics do not go to sleep causing infinite rolling

UE - Simulation - Physics - Jan 30, 2015

When you have a sphere that is rolling it will never come to a complete stop even at low speeds. It will slow it's speed but never stop. This conversation was discussed with James G and Ori C back ...

DrawDebugPoint's point is considerably smaller when viewed by an Orthographic camera

UE - Graphics Features - Dec 18, 2015

When viewing a point drawn by DrawDebugPoint, the point is about 100 times smaller when using an Orthographic camera instead of a Perspective one. ...

Character Using Move to Location or Actor Stutters

UE - AI - Jun 9, 2016

Characters using Move to Location or Actor will briefly pause with each few steps during their movement. This did not occur in 4.11.2 binary, this is a regression. Found in 4.12.1 binary. Reproduc ...

Compressed cooked packages feature is not functioning correctly.

Tools - Oct 15, 2015

'Create Compressed Cooked Packages' option within Project Settings > Packaging menu does not create a smaller package size on Mac and it does not change the size on Windows packages. ...

Translucent Materials no longer reflect light when using Forward Lighting variable

UE - Graphics Features - Jun 7, 2016

Translucent materials are no longer showing light reflections in scene when using r.forwardlighting 1 with lights. This is a regression from functionality in 4.11.2. This no longer works with 4.12 ...

Thumbnails get Duplicated with Large Number of Static Meshes in Foliage Paint Mode

Tools - Dec 6, 2016

When there are a large number of static meshes within the Foliage paint mode, some of the mesh thumbnails are duplicated and do not accurately reflect the correct static mesh to paint as foliage. T ...

Projects crash on Android when trying to load mips

UE - Platform - Mobile - Jan 20, 2017

Projects that are deployed in the Debug configuration crash when trying to load mips on the Android device. I do not see this issue when launching a project onto Android using the Test configuratio ...

Ensure when using Ctrl Z to undo painted landscape - UE4Editor_Engine!FPrimitiveSceneProxy::VerifyUsedMaterial() primitivesceneproxy.cpp:599

UE - LD & Modeling - Terrain - Landscape - Feb 9, 2017

Note This is a one off crash, that I was not able to reproduce it again. Quickly changing the materials on landscape by painting and undo-ing seems to create this rendering crash ...