Static meshes with auto-generated LODs can no longer share lightmaps between LODs

UE - Graphics Features - Feb 21, 2017

User report: With 4.15 using only auto generated LOD's static mesh LOD levels can't share computed lightmaps anymore. This cause severe memory increase and it's making lightmass build times way slow ...

Cannot assign default values for UserWidget variable in blueprints

UE - Gameplay - Blueprint Editor - Feb 21, 2017

Cannot assign default values for UserWidget variable. This limits their usability in blueprint classes, and really prevents them from being useful in UserStructs, particularly if that user struct is ...

IAP failed to read purchase

UE - Platform - Mobile - Feb 20, 2017

In-app purchases do not seem to be working properly in Unreal Match 3 or other games ...

Crash in UEditorEngine::CheckForWorldGCLeaks

Tools - Feb 20, 2017

Error message: Fatal error: [Link Removed] [Line: 1959] /Game/FirstPersonBP/Maps/FirstPersonExampleMap.FirstPersonExampleMap still around trying to load ../../../Engine/Content/Maps/Templates/Templ ...

Crash in FStreamingTextureLevelContext::GetBuildDataIndexRef

UE - Graphics Features - Feb 20, 2017

Error message: Assertion failed: BoundState.Texture == nullptr || BoundState.Texture == Texture2D [Link Removed] [Line: 371] Source Context: 358 if (LevelIndex) // If the index is found ...

Editor crashes when a hot reload is performed on a project that contains a custom User Defined Struct code class

UE - Foundation - Core - Feb 20, 2017

Adding a custom User Defined Struct code class to a project causes the Editor to crash whenever a hot reload is performed on that project. Removing the custom User Defined Struct class allows hot re ...

AnimBP Palette is blank on existing AnimBPs

OLD - Anim - Feb 20, 2017

AnimBP Palette is blank on existing AnimBPs ...

[CrashReport] UE4Editor_Engine!FTextureCacheDerivedDataWorker::BuildTexture() [texturederiveddata.cpp:772]

UE - Graphics Features - Feb 20, 2017

Error message: Access violation - code c0000005 (first/second chance not available) Source Context:757 if (SourceMips.Num()) 758 { 759 FFormatNamedArguments Args; ...

Crash when pressing Ctrl-Z after creating a blueprint function

UE - Gameplay - Blueprint - Feb 20, 2017

Crash when pressing Ctrl-Z after creating a blueprint function *This is a regression: Working in 4.14.3-3249277 Not working in 4.15.0-3299760* Crash Reporter: Error message: Access violation ...

Editor Crashes When Updating Captures on Sphere Reflection Captures

UE - Graphics Features - Feb 20, 2017

Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 633] Array index out of bounds: -1 from an array of size 11 Source Context: 200 CubemapArray.Updat ...