We’re almost ready to declare Rails 7 done! The feedback since the first alpha release has been wonderful, we’ve eliminated a slew of issues, and we’ve seen Basecamp, HEY, GitHub, and Shopify all run in production on this alpha series. So we now feel so confident that this is nearly ready that we’re skipping straight from alpha to release candidate. This is RC1.
Please help us do the final testing of all this new stuff so we can ensure a solid final release of Rails 7 this year!
After almost five years with Webpacker as our default answer to writing modern JavaScript in Rails, it’s time to move on. Advancements in browser support for ES6/ESM, widespread adoption of HTTP/2, and the exciting new standard for import maps has paved the way for a no-Node approach to JavaScript in Rails 7 – without giving up on npm packages.
Together with the replacement of Turbolinks and Rails UJS by the Hotwire combination of Stimulus and Turbo, we now have the most complete in-the-box front-end setup for writing great Rails applications ever. Without needing thousands of node dependencies in node_modules, fighting with bundler configurations, or any of the other challenges common with JavaScript development.
At the same time, we’ve also dramatically improved the integration between Rails and JavaScript + CSS bundlers for those who need that. Through two new companion gems that can be triggered via rails new –javascript [bundler] and –css [bundler], you get easy access to starting a new application or changing one that starts with import maps to use esbuild, rollup.js, Webpack, Tailwind CSS, PostCSS, Dart Sass, and Bootstrap.
Extracted from HEY, we’ve added encrypted attributes to Active Record, so your application can offer at-work encryption in addition to the traditional at-rest and in-transit coverage.
As an immediate practical benefit, encrypting sensitive attributes adds an additional security layer. For example, if an attacker gained access to your database, a snapshot of it, or your application logs, they wouldn’t be able to make sense of the encrypted information. And even without thinking about malicious actors, checking application logs for legit reasons shouldn’t expose personal information from customers either.
But more importantly, by using Active Record Encryption, you define what constitutes sensitive information in your application at the code level. This enables controlling how this information is accessed and building services around it. As examples, think about auditable Rails consoles that protect encrypted data or check the built-in system to filter controller params automatically.
Checkout the full guide on how to use encrypted attributes.
Almost a decade ago, Marginalia was extracted from Basecamp to trace query origins with SQL comment tagging. Now this external gem has been upstreamed into Active Record as QueryLogs.
When you have a controller action that needs to load two unrelated queries, you can now do it concurrently through Relation#load_async. If you have three complex queries that each take 100ms, you’d have to spend 300ms executing them one by one before. Now you can run them in parallel, spending only a total of 100ms on the set.
Autoloading in Rails is one of those magical quality of life realities that it’s easy to just take for granted. The trusty old const_missing approach which came with a range of quirks and missing features has finally been replaced exclusively with the Zeitwerk code loader. There are a few upgrade gotchas to be aware of, especially for older applications, but with this upgrade guide you should be on your way in no time
libvips as its default variant processor.There are over seven hundred commits that have gone into this release candidate since we released the alpha three months ago. We hope to get this work in the hands of everyone before Christmas this year 🎄🎁❤️.
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