Crash when moving actor on viewport with HierarchicalInstancedStaticMeshComponent.

UE - Gameplay - Components - Aug 28, 2017

Create ActorBP has StaticMesh is not assigned to HierarchicalInstancedStaticMeshComponent. Place this actor on the level, and bind the StaticMesh from the Detail tab and add the appropriate Instance ...

Red 'X' gets displayed for stationary light in blueprint editor

UE - Gameplay - Blueprint - Sep 11, 2017

Stationary light in a blueprint gets displayed with red 'X' in Blueprint Editor viewport after opening the blueprint for the second time. ...

Transform track can't be edited for Spawnable empty actor in Sequencer

UE - Anim - Sequencer - Oct 2, 2017

Transform track for a spawnable Empty Actor always shows 0, 0, 0 and it can't be edited. I could repro this in 4.17.2 and 4.18 Preview 2. This does not happen in 4.15.3 and 4.16.3. So this could b ...

Warning on compiling Sub Anim Instance node with connection to exposed variable

OLD - Anim - Oct 10, 2017

When compiling an animBP with a Sub Anim Instance node with a connection to an exposed variable, warning will be displayed. When there is no connection to the Sub Anim Instance node, no warning wi ...

Capsule Indirect Shadow is visible in Game View for a hidden in game model

UE - Graphics Features - Oct 10, 2017

A model's Capsule Indirect Shadow is visible in Game View, even when a model has "Actor Hidden in Game" enabled. The shadow does not get displayed in PIE. ...

WorldGridMaterial gets added as Element 0 when importing LOD model

When importing a LOD model, LOD material can get added as element 0, not preserving previous material assignment. It's not possible to re-order/delete the automatically added Element 0 WorldGridMat ...

Collision for hidden mesh is not displayed in PIE using Showflag.collisionpawn

OLD - Anim - Oct 23, 2017

When playing in viewport, the user is not able to see the collision of a mesh marks as hidden in game if they run the "Showflag.collisionpawn 1" console command. ...

Transform Track can't be edited for a empty actor dragged directly from Modes panel

UE - Anim - Sequencer - Oct 27, 2017

This is a remaining case of [Link Removed]. If you drag and drop an empty actor from Modes panel to Sequencer, the actor's transform track can't be edited. ...

Japanese language input keys/Menu key zoom out graph view

UE - Editor - UI Systems - Localization - Oct 31, 2017

When using a Japanese keyboard, using Japanese language input special key(halfwidth/fullwidth/kanji key) zooms out graph view in BP editor and Material editor. It seems the menu key makes the editor ...

Crash on opening a pose asset after reloading a skeletalMesh with bone name changes

OLD - Anim - Nov 6, 2017

Opening an old pose asset can crash the editor if the skeleton it uses gets updated. ...