Unable to compile Engine for Debug Editor when bDebugBuildsActuallyUseDebugCRT is set to true

UE - Foundation - Cpp Tools - UnrealBuildTool - Feb 10, 2016

When building the source for the engine in Visual Studio 2015, if bDebugBuildsActuallyUseDebugCRT is set to true and the build configuration is Debug Editor, the build will fail. Full output log fr ...

Event ActorBeginOverlap no longer responds once packaged

UE - Foundation - Core - Cooker - Aug 4, 2015

When a project is packaged and has the 'event actoronbegin' within a blueprint, the 'event actoronbegin' no longer responds. It does respond within the Editor though. Packaged Project: [Link Remove ...

Modulate Shadows shadow overlap not blended

UE - Platform - Mobile - Oct 15, 2015

When using modulated shadows turned on for the directional stationary light in your mobile project, the movable objects shadows will not be blended. Image attached to illustrate the inconsistency. ...

Debug symbols are required for the Shipping packaging configuration

Tools - Feb 11, 2016

If the engine is installed without the Debug Symbols, packaging for Shipping will fail due to the missing files. While I believe this is expected for Development, it shouldn't occur with shipping. ...

Upgrading Project After Disabling Light PropagationVolume Plugin Causes Crash

UE - Foundation - Cpp Tools - Plugin System - Apr 1, 2016

Attempting to upgrade a project from 4.10 to 4.11, or 4.11 to 4.12 with the LightPropagationVolume plugin disabled causes it to crash. Found in converting a 4.10 project to 4.11, and reproduced con ...

Stationary Skylight intensity blown out

UE - Graphics Features - Nov 29, 2016

Using a Stationary Skylight appears to be blown out with the SLS Captured Scene. Movable and Static do not exhibit this behavior. Comparison gif attached and sample project attached. Tested with: ...

Font outline ignores Content Color and Opacity from its parent border

UE - Editor - UI Systems - Feb 10, 2017

Font outline ignores Content Color and Opacity from its parent border. A licensee is trying to make many text blocks invisible by using a parent border, and setting its Content Color and Opacity's a ...

Event Graph 'Begin Overlap' event fires while not in Simulate or PIE

UE - Gameplay - Components - Feb 20, 2017

Event Graph 'Begin Overlap' event fires while not in Simulate or PIE. It seems to somehow be linked to the components. If the actor contains a Box Collision component and either a Static Mesh comp ...

TextRenderComponents not parallel safe. Can cause crash

UE - Graphics Features - Feb 28, 2017

Licensee has reported intermittent crashes when loading a map that contains Child Actors with Text Render Components. When the child actor blueprint is spawned all of the text render components st ...

FBlueprintCompileReinstancer::ReplaceInstancesOfClass_Inner() can fail to resolve reinstanced archetypes.

UE - Foundation - Cpp Tools - Hot Reload - Mar 8, 2017

From UDN. This is a hotreload bug - even though it uses FBlueprintCompileReinstancer. ...