Rendered landscape heights for ES31 doesn't match SM5 since engine version 4.25

UE - LD & Modeling - Terrain - Landscape - Jun 4, 2020

Switching between SM5 and ES31 views in the Editor shows some small variation in landscape heights. ES31 heights are stored in the vertex with some slight lossy compression so subtle variation can ...

Material Editor: Material Expression Constant Node Preview Incorrect Color

UE - Rendering Architecture - Materials - Jun 4, 2020

UIScaleCurve float-point value in BaseEngine.ini lacks precision

UE - Editor - UI Systems - Slate - Jun 4, 2020

The screenshots below display 1920x1080pixel widget button. First one with Default DPIScaleCurve shows extra borders on the right and bottom. Next one with more precision shows no extra boundary. [ ...

Character rotations can diverge between clients and client/server briefly under packet loss and using bOrientRotationToMovement

UE - Gameplay - Player Movement - Jun 4, 2020

At some points the rotations will diverge briefly while the client and server attempt to rotate to the orientation direction by going different directions about the rotation axis. ...

Open Sound Control Blueprint Plugin stops working around 1 minute during play

UE - Audio - Jun 3, 2020

Messages are not received around 1 minute into playing when using OSC blueprint plugin. Test Project: [Link Removed] User workaround: https://forums.unrealengine.com/development-discussion/blu ...

Can't Select Volume Faces in Geometry Edit mode when Allow Translucent Selection and Draw Brush Polys are enabled

UE - LD & Modeling - Modeling Tools - BSP - Jun 2, 2020

See Repro steps. Faces are selectable when either Allow Translucent Selection or Draw Brush Polys is enabled, but not when they are both enabled. ...

Crash when setting a module input to read from a new user parameter

UE - Niagara - Jun 2, 2020

Crash when setting a module input to read from a new user parameter Crash does not occur when drag/dropping a User Parameter from the Parameters panel into the input, or when selecting a preexistin ...

Switch on String does not respect Case Sensitive flag

UE - Gameplay - Blueprint - Jun 2, 2020

Switch on String does not respect the Is Case Sensitive flag and will generate a compile error when there are two pins with the same name but different cases ...

Niagara Mesh Renderer's ParticleColor is not reflected in raytraced reflections

UE - Graphics Features - Lumen - Jun 2, 2020

Mesh's ParticleColor is not reflected in raytraced reflections Sprite Particles do not encounter this issue.  ...

SkeletalMesh do not output logs with the mesh name when there is a compute tangent error.

UE - Editor - Content Pipeline - Import and Export - Jun 1, 2020