Lighting on Paper 2D Tile Maps is Broken

UE - Graphics Features - May 8, 2018

In 4.18.3 this feature is working. In 4.19.2 the feature is broken. Per User: Half of the Lights Cone or Sphere will properly interact with the TileMap as intended, the other half will not for wha ...

-culture= Launch Parameter no longer working when launching standalone game

UE - Editor - UI Systems - Localization - May 8, 2018

Launch parameter for changing culture no longer working with additional launch parameters. Also tested on packaged 4.19 project with same result. ...

PostRepNotifies may not always be called

UE - Networking - May 8, 2018

FObjectReplicator::UpdateUnmappedObjects calls  CallRepNotifies, but does not call PostRepNotifies. Further, the order of CallRepNotifies and PostNetReceive in FObjectReplicator::UpdateUnmappedObje ...

Preprocessor checks for VS 2017 version of MSC do not look for the latest version of MSC

UE - Foundation - Core - May 8, 2018

There are some pre-processor checks in the Engine code that look for the version of MSC that was introduced with Visual Studio 2017 (eg. #if _MSC_VER == 1900). However, this does not take into consi ...

Collision generates overlap event without a Character triggering it

UE - Simulation - Physics - May 8, 2018

When using OverlapAll as a collision preset on a Cube, the collision will trigger when placed near a wall even if the Character has not collided with the Cube. ...

Destructibles are not rendered correctly when fractured if Support Compute Skincache is enabled

UE - Simulation - Physics - Destruction - May 8, 2018

The rendering of the fractured pieces of a destructible is incorrect when Support Compute Skincache is enabled. The physics of the fractured mesh simulates correctly but the pieces do not render pro ...

Landscape on Mobile is broken

UE - LD & Modeling - Terrain - Landscape - May 8, 2018

UDN: https://udn.unrealengine.com/questions/431532/landscape%E5%9C%A8%E6%89%8B%E6%9C%BA%E5%B9%B3%E5%8F%B0%E6%98%BE%E7%A4%BA%E9%94%99%E8%AF%AF.html ...

Material Name Does Not Update When Textured Asset is Imported

UE - Editor - Content Pipeline - Datasmith - Importer - May 7, 2018

When the name of a material in 3Ds Max is changed and the asset is re-exported and reimported into the editor, the name of the material does not update -Uses 3Ds Max 2016 -Also occurs with Datasmi ...

Cannot add a non-static custom thunk to a code class

UE - Foundation - Cpp Tools - UnrealHeaderTool - May 7, 2018

In 4.19, it is no longer possible to create a non-static custom thunk in a class. This was possible in 4.18.3. REGRESSION: Yes. ...

Directx12 crashes with OOM

UE - Graphics Features - May 7, 2018

In editor, when running a task that does not issue a BeginFrame/EndFrame for a long time, the GPU will eventually run out of memory.  See UDN: https://udn.unrealengine.com/questions/431450/directx1 ...