Version: 2021.3
Halo component
Line Renderer component

Lines, trails, and billboards

Unity uses specialised components to configure and render lines, trails, and billboardsA textured 2D object that rotates so that it always faces the Camera. More info
See in Glossary
.

Render pipeline information

How you work with lines, trails, and billboards depends on the render pipelineA series of operations that take the contents of a Scene, and displays them on a screen. Unity lets you choose from pre-built render pipelines, or write your own. More info
See in Glossary
you use.

Feature name Built-in Render Pipeline Universal Render Pipeline (URP) High Definition Render Pipeline (HDRP)
Line RendererA component that takes an array of two or more points in 3D space and draws a straight line between each one. You can use a single Line Renderer component to draw anything from a simple straight line to a complex spiral. More info
See in Glossary
component
Yes. Yes. Yes.
Trail Renderer component Yes. Yes.

You can also use VFX Graph to create a custom trail effect.
Yes.

You can also use VFX Graph to create a custom trail effect.
Billboard Renderer component Yes. Yes. Yes.

Only with VFX Graph.
Halo component
Line Renderer component