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 ...

Non replicated actor is not destroyed on Client when added to the level

UE - Networking - May 7, 2018

When placing an actor into the level that is not replicated the client will not destroy its copy when destroy actor is called. ...

TPropertyValueIterator skips TMap values when KeyType is a UStruct

UE - Foundation - Core - May 7, 2018

From https://udn.unrealengine.com/questions/431271/tpropertyvalueiterator-skips-tmap-values-when-keyt.html The property value iterator has logic where it tries to iterate over all properties in a s ...