> If the team hasn't been very disciplined in updating and removing all transitive dependencies through the upgrades, you will inevitably end up with a ton of s

> If the team hasn't been very disciplined in updating and removing all transitive dependencies through the upgrades, you will inevitably end up with a ton of stuff (is `react-date-wrangler-jobber` used? I still see references to it, but is that page live? who knows!?) in your bundle hanging around and cluttering up your build. Ah yep - last week I removed 25 (!) completely unused libraries from a package.json file. > the React / npm stuff often ends up in a rats nest of conflicting dependencies At a previous job we started with Webpack 3, right before Webpack 4 was released, and even months later a bunch of stuff still didn't work with Webpack 4.