Socket Snapping in level editor no longer works

Tools - May 14, 2018

The Socket Snapping level editor action no longer works in 4.19/4.20, it worked in 4.18 but regressed. It still attaches but it's set to maintain it's world position, so it doesn't actually snap. T ...

Changing a Grid widget's layer setting a runtime does not update

Tools - UMG - May 11, 2018

When changing the layer settings for a widget with in a Grid panel at runtime there appears to be no change. The widgets do not update visibly, however when getting the layer setting it will reflect ...

AnimSequence's play rate is doubled when in a SyncGroup

Anim - May 11, 2018

It is because that the RateScale is multiplied twice. First at UAnimSequenceBase::TickAssetPlayer : {{ const float PlayRate = Instance.PlayRateMultiplier * this->RateScale;}} Second at UAnimSeq ...

Landscape Spline meshes lose vertex color paint after moving to another level

Tools - Landscape - May 11, 2018

UDN: https://udn.unrealengine.com/questions/432735/%E5%9C%A8%E6%B5%81%E5%85%B3%E5%8D%A1%E4%B8%AD%E6%8F%8F%E7%94%BB%E6%A0%B7%E6%9D%A1%E6%9B%B2%E7%BA%BF%E4%B9%8B%E5%90%8E%E5%A6%82%E6%9E%9C%E6%8A%8A%E ...

Light in Volumetric Fog offset in VR with Instanced Stereo and Forward Shading enabled

Virtual Reality - May 10, 2018

Light inside Volumetric Fog is offset in the right eye when viewing in VR with Forward Shading and Instanced Stereo Enabled If just Forward Shading or Instanced Stereo is enabled, this does not occ ...

Capsule Shadows Not Visible When Using Movable Skylight With Bright Lower Hemisphere Color and Indirect Lighting Cache

Rendering - May 9, 2018

I have managed to reproduce this issue in 4.18.3 and 4.19.2. In order to make the Capsule Shadow disappear:Indirect Lighting Cache must be used (Volumetric Lightmap works)Skylight must be set to 'M ...

Lighting on Paper 2D Tile Maps is Broken

Rendering - 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 ...

Directx12 crashes with OOM

Rendering - 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 ...

VR billboard problems

Virtual Reality - May 3, 2018

https://udn.unrealengine.com/questions/429242/419-psvr-dynamic-resolution.html "We are experiencing a rendering regression in PSVR when upgrading from 4.17 to 4.19. A MaterialBillboardComponent tha ...