Update Instance Transform Rotation for HISM isn't working in a packaged game

UE - World Creation - Worldbuilding Tools - Foliage - Aug 22, 2018

Using 'Update Instance Transform' to rotate HISM instances will work in PIE, but won't work in a packaged game. This is a regression from 4.19.2 (CL-4033788). This issue was reported and tested in ...

Cannot pass a Dictionary through a Replicated Function

UE - Networking - Aug 23, 2018

When passing dictionary (map) variables through replicated (to server) functions, the value will not print out on the client. In 4.19.2 (CL-4033788) this caused a crash but in 4.20.2 (CL-4302132) an ...

Sequencer 3D Trajectories run very slow on deep hierarchies

UE - Anim - Sequencer - Aug 27, 2018

Using a Level Sequence with deep hierarchies causes the FPS to drop to low numbers when they are all selected within the Sequence. This is a regression from 4.19.2 (CL-4033788). This issue was repo ...

Directional Light Is Not Casting Shadows Past a Certain Point In Large Worlds On All Actors/Grass

UE - Graphics Features - Sep 5, 2018

Directional light is not casting shadows past a certain point in large worlds on all actors/grass. In 4.19 CL# 4033788 shadows show up but not until the camera is very close to the object. 4.19 Pro ...

ForLoop used inside BP Function Library always returns 0 index when used in a Construction Script

UE - Gameplay - Sep 18, 2018

Using a For Loop inside of a Blueprint Function or Function Library will always return index 0 when used in the Construction Script. This was reported and tested in 4.19.2 (CL-4033788). This was r ...

SketchUp models are too small once imported via the Datasmith plug-in

UE - Editor - Content Pipeline - Datasmith - Exporters - Sep 24, 2018

In Sketchup the user made a cube thats 100cm x 100cm x100cm and has Sketchup's measure units set to cm. When imported into DataSmith the cube is 39x39x39. It was calculated that the scaling was off ...

Wireframe Appears Aliased and Draws Behind the Editor Grid

UE - Graphics Features - Jan 10, 2019

When the Editor grid is enabled, it draws over the wireframe objects. This is especially clear in orthographic views where the grid completely obscures wireframe lines aligned to the grid placement. ...

GPU Particle Preview Flickering with Distance Field Collision

UE - Niagara - Jan 15, 2019

When switching from Scene Depth Collision to Distance Field Collision for a GPU particle system the preview window flickers, but returns back to normal when switching back to Scene Depth. Found in ...

Niagara System User Parameters Resetting After Closing the Editor

UE - Niagara - Jan 18, 2019

Niagara System user paramemters will reset upon restarting if they are used in a Blueprint. This also occurs to the system if you move the blueprint after making changes then pressing Ctrl+Z.  Foun ...

Assertion When Packaging If an Actor in Level Uses Create Canvas 2D Render Target

UE - Graphics Features - Jan 23, 2019

An assertion will occur when packaging if an Actor in level uses "Create Canvas 2D Render Target"  Found in 4.20 CL# 4369336, 4.21 CL 4753647 Blocked for testing in main due to crash when placing ...