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. ...

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 ...

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 ...

Unable to increment TMap value if Key is zero

UE - Gameplay - Feb 24, 2017

Unable to increment TMap value if Key is zero. Changing the TMap Key to 1 on Add will allow the Value of "Key 0" to be incremented. User Description: It seems as if the 'Find' node for the newly ...

Paper2D Sprite doesn't cook deterministically

UE - Foundation - Core - Cooker - May 11, 2017

The "DummySprite" asset in Plugins/Paper2D doesn't cook deterministically, and as such is always included in patches. ...

Set Material for Particle System via Construction Script in Blueprints is Different is PIE versus Standalone

UE - Graphics Features - May 25, 2017

Differences in PIE and Standalone when attempting to set the Material for a Particle system within the construction script of an actor blueprint. I know there are probably some differences in how P ...

Precomputed Visibility incorrectly Culling Objects in Scene when Opening different Level

UE - Graphics Features - Jun 28, 2017

Objects in a scene are randomly culled when building a level with Precomputed Visibility enabled, and opening another level that has already pre-built precomputed visibility. A couple of things wor ...