Update September 10, 2017. Webpacker Lite has been merged into v3 of Webpacker. If you’re using React on Rails, see the CHANGELOG for migration instructions to update to v9 of React on Rails which uses v3 of Webpacker.
If you use immutable-js and flow in your projects, you can have statically type-checked Enums. This means you’ll errors right in your editor and on CI when you try to access an Enum property that is misspelled or doesn’t exist.
I spent the past few days upgrading our app to the latest RC of Webpack ver. 2. Here’s the official migration guide, that covers most of the common cases, but there were still a number of “gotchas” that I wish I had been aware of before I started this PR.