Attached Project Crashes When Moving Child Actor Components in Blueprints

UE - Gameplay - Blueprint - May 3, 2016

The editor crashes when moving a child actor component in the blueprint viewport. This has not been reproduced in a clean project, and only seems to be occurring in the user project where they have ...

Attached Project Crashes While Opening After Conversion From 4.10 to 4.11

UE - Foundation - Core - May 3, 2016

The attached project is now crashing after being upgraded from 4.10.4 to 4.11.2. This crash also occurs when attempting to open a copy of the project in 4.12 Preview 1. After further investigation ...

Skylight reflections not rendering correctly on translucent materials

UE - Graphics Features - May 2, 2016

When attempting to create or use a translucent material the skylight reflection does not render. Regression: Yes Working:2946394 (binary) Broken:2963582 ...

Build Step Async Step Infinite Loop

Tools - May 2, 2016

The new custom editor build steps don't properly advance when we complete an async build step, looks like it was untested. ...

Enabling the experimental Unit Test Framework in a project results in the Editor crashing whenever that project is opened

UE - Gameplay - Blueprint - May 2, 2016

A user decided to test the experimental Unit Test Framework plugin that was included with 4.11. The user discovered that the Editor will crash whenever opening a project that has this plugin enabled ...

Crash when using "Convert to Seeded" on a Cascade Module

UE - Graphics Features - May 2, 2016

Crash when using "Convert to Seeded" on a Particle System Cascade module This is a Regression as it does not occur in 4.10 Error message: Assertion failed: *Offset < (uint32)InstancePayloadSize [ ...

Adjusting Default Light Settings for Atmospheric Fog causes Crash

UE - Graphics Features - May 2, 2016

Adjusting default light settings in the Color Picker palette for atmospheric fog causes the engine to crash in UE 4.12 Preview Regression: This does not occur in UE4.11 ...

Setting a value Material Parameter Collection to Material will cause crash

UE - Graphics Features - May 2, 2016

Adding a Material Parameter collection to a material, setting its value, then saving the material will cause a crash. This was only able to be reproduced on Mac and did not affect the Windows versio ...

Window No Longer Captures Mouse After Closing Console

UE - Gameplay - Apr 29, 2016

When PIE, (Standalone) after bringing up the console, typing a console command and closing console, the standalone window no longer captures mouse. Instead the user must select the game window with ...

Indirect Lighting Transition is delayed one frame.

UE - Graphics Features - Apr 29, 2016

If you let objects move quick like teleport, you can see the transition is delayed one frame. This problem occurs even if r.Cache.SampleTransitionSpeed increase, and Both ILCQ_Point and ILCQ_Volume ...