rollup 4.66.0

v4.66.0

on Node.js NPM

4.66.0

2026-10-28

Features

• Support null sources in plugin-generated sourcemaps (#6600)
• Support plugin-generated "index" sourcemaps (#6601)

Bug Fixes

• Preserve rendering errors when the rendereError hook fails (#6602)

Pull Requests

• #6600: Treat null sources in plugin sourcemaps as unmapped (@wleeaf, @lukastaegert)
• #6601: Flatten index sourcemaps returned by plugins (@wleeaf, @lukastaegert)
• #6602: Preserve rendering errors when renderError fails (@shuaiyafei)