Happy Friday! After three weeks of conferencing, this is Greg, bringing you the news about the latest changes in your favorite framework. It was a busy week with a lot of changes, let’s dive in. Rails Version 8.0.3 has been released! A new version of Rails has been released. Reaad the CHANGELOG for the list of changes. Deprecate usage ...

Hey, Emmanuel Hayford here with the latest from the Rails codebase. Let's get to it! Oh! In case you missed it, all the talks from #RailsWorld 2025 are now available online here. Fix SCRIPT_NAME handling for engines mounted at root When an engine is mounted at / and SCRIPT_NAME is in use, URL helpers were incorrectly dropping the scrip...

Hi everyone, it’s Vipul. Let’s explore this week’s changes in the Rails codebase! Do not add seed step to config/ci if active record is skipped This PR ensures that in CI configuration templates, Rails does not add a db:seed step when Active Record is skipped. This prevents CI failures or unnecessary steps for applications that are dat...

Hi, it’s zzak. Let’s explore this week’s changes in the Rails codebase. Rails 8.1 Beta 1 lands The first beta release was cut for Rails 8.1, see the post for full details. Rails World 2025 Opening Keynote Part of the newsletter team is enjoying Rails World in Amsterdam, say hi to them if you attend. If you (like me) couldn’t go, the fi...

Hi, Wojtek here. Part of our newsletter team - Claudio, Greg, Vipul, and me will be at the Rails World next week. Greg and Claudio will also be MCing the Lightning Track. Come say hi and grab some stickers with newsletter logo! Now let’s take a look at this week’s changes. Dark mode support in the app welcome page Made by the first tim...

Hi, it’s Greg. Let’s explore this week’s changes in the Rails codebase. Rails Plugin documentation update As part of improving the documentation of the framework, The Rails Plugins Guide has been updated. Fix consistency of generated structure.sql for latest PostgreSQL versions which include \restrict This pull request fixes the remova...

Hi! Emmanuel Hayford here with some Rails codebase updates for you! Add #assert_events_reported test helper Rails added a new test helper that lets you assert multiple events were reported within a block—order-agnostic, with support for payload and tag matching, and it ignores extra events. Handy for workflows that emit several instrum...

Hi, it’s zzak. Let’s explore this week’s changes in the Rails codebase. Add support for “rack.response_finished” callbacks in Action Dispatch’s Executor The executor middleware now supports deferring completion callbacks to later in the request lifecycle by utilizing Rack’s rack.response_finished mechanism, when available. This enables...

Hi, it’s Greg. Let’s explore this week’s changes in the Rails codebase. New written & video tutorials for beginners The Rails Foundation has launched a few more learning resources for beginners, in partnership with Chris Oliver and the team behind Typecraft - Chris Power and Robert Beene. Log when rescue_from handles an exception This ...

Hi, it’s Vipul. Let’s explore this week’s changes in the Rails codebase. Avoid dynamic encryption in generated fixtures Fixtures for passwords now generate a static hash. Previously, fixtures with password digest attributes regenerated the hash on each test run. Don’t add bundler platforms for JRuby Fixes Rails Apps on JRuby by not add...

Hi, it’s Claudio Baccigalupo. So many great changes to the Rails codebase this week. Let’s check them out. Add touch option to update_column(s) Particularly useful for ETL processes that rely on the updated_at timestamps instead of copying the whole table. Previously, to keep timestamps current, the touch method had to be called after ...

Hi, Wojtek here. Let’s explore this week’s changes in the Rails codebase. Farewell RailsConf! 800 devs gathered in Philadelphia to share memories and say goodbye at the final RailsConf. Huge thanks to Ruby Central and all the speakers and attendees who made it such a memorable event over the past 19 years. Add rename_schema method for ...

Hi! Emmanuel Hayford here with some cool updates for you. 😎 Deprecated associations You can now mark associations as deprecated using: `has_many :posts, deprecated: true` Active Record will report any usage of the deprecated association. Three reporting modes are supported: `:warn (default)`, `:raise`, and `:notify`. You can also enabl...

Hi, it’s zzak. Let’s explore this week’s changes in the Rails codebase. The Rails Foundation launched a new podcast: ‘On Rails’ with host Robby Russell In each episode, Robby talks with Rails devs and explores the real-world decisions that go into building, maintaining, and scaling Ruby on Rails applications. Episode one is already up ...

Hi, it’s Vipul. Happy Friday 🎃! Let’s explore this week’s changes in the Rails codebase. New Guides Pull Request for review A new guides Pull Request is up, which updates the Active Record Encryption Guide. If you are well-versed in these areas, please review and submit your feedback on the PR! We also have 2 other Guides PRs open wher...

Hi, it’s Claudio Baccigalupo. Let’s explore this week’s changes in the Rails codebase. Move PostgreSQL Guide into the API guides A new documentation PR is up for community review: information from the PostgreSQL guide has been migrated into the API docs, and the Active Record guide has been updated to be more database agnostic. Follow ...

Hi, Wojtek here. Let’s see this week’s news about Rails. Final RailsConf The last RailsConf (July 8 - 10, Philadelphia) will include a fireside chat with DHH, and talks or panel discussions with Rails team members Eileen Uchitelle (Core), Gannon McGibbon (Committers), Hartley McGuire (Issues), and Matheus Richard (Triage), as well as m...

Hello! Emmanuel Hayford here. The third edition of Rails World is a couple of months away! In case you missed it, The Rails Foundation has already announced an exciting lineup that you should check out. Document `through` with `polymorphic` A new addition to the Rails documentation clarifies that polymorphic associations are not suppor...

Hi, it’s zzak. Let’s explore this week’s changes in the Rails codebase. Message from the Rails Foundation While Rails World sold out quickly this year, a friendly reminder that the sessions will be recorded and published on YouTube quickly- the Opening and Closing Keynotes immediately, with all other sessions published shortly thereaft...

Hi, it’s Vipul!. Let’s explore this week’s changes in the Rails codebase. New Guides Pull Request for review A new guides Pull Request is up, which updates the Rails Application Template Guide and also merges it with Rails Generators Guide. If you are well-versed in these areas, please review and submit your feedback on the PR! Rails W...

Hi, Wojtek here. Let’s see what’s new in the Rails. Rails World tickets coming soon We’ve been informed that General Admission tickets will be available May 13. More information is coming soon, but you can already mark your calendar! Implement ability to skip creating parallel testing databases With parallel testing, Rails will create ...

Hi, it’s Claudio Baccigalupo. Let’s explore this week’s changes in the Rails codebase. Add –reset option to bin/setup Makes it easier to zero out a database and load seeds during development. Add assert_in_body/assert_not_in_body Lets test checking a response body for a piece of text without going through DOM manipulation. Add a load h...

Hi, it’s Greg. Let’s explore this week’s changes in the Rails codebase. Action Cable: Allow setting nil as subscription connection identifier for Redis If you use Google Cloud Memorystore or another platform that blocks the command CLIENT SETNAME in Redis, previously you needed to overwrite the Redis connection factory. With this chang...

Hi, it’s zzak. Hopefully everyone got their Rails World CFPs in on time! Let’s explore this week’s changes in the Rails codebase. Allow allocated Active Records to lookup associations Previously, the association cache isn’t setup on allocated record objects, so association lookups will crash. Test frameworks like mocha use allocate to ...

Hi, it’s Vipul. Let’s explore this week’s changes in the Rails codebase. Last Week for Rails World 2025 Call for Papers This is the last week for The CFP for Rails World 2025! Submit your talk until April 10th. Add must-understand directive according to RFC 9111 The must-understand directive indicates that a cache must understand the s...

Hi, Wojtek here. Let’s explore last 2 week’s changes in the Rails codebase. Add capture_error_reports Captures all reported errors from within the block that match the given error class. reports = capture_error_reports(IOError) do Rails.error.report(IOError.new("What a Terrible Failure")) Rails.error.report(StandardError.new) end asser...

Hi, it’s Claudio Baccigalupo. Let’s explore this week’s changes in the Rails codebase. Structured CI with bin/ci Introduce bin/ci to standardize CI workflows based on a new DSL for declaring workflow steps in config/ci.rb. bin/ci runs your all tests, linters, and security scanners. And it optionally signs off on your work by giving you...

Hi, it’s Greg. Let’s explore this week’s changes in the Rails codebase. Rails World 2025 Call for Papers The CFP for Rails World 2025 is now live! Submit your talk until April 10th: https://rubyonrails.org/2025/3/7/apply-to-speak-at-rails-world-2025. Add a default bin/bundle-audit configuration This pull request adds bin/bundler-audit ...

Hey, zzak here. Last week was a short one, so we took the week off, let’s catch up. Heads up: the Rails World CFP will open on March 11th. The 2025 landing page is currently being built, but if you are going to submit a talk, keep an eye on: rubyonrails.org/world/ Add Podman instructions for devcontainers This is not necessarily a chan...

Hey everyone, Happy Friday! Vipul here with the latest updates for This Week in Rails. This week, several improvements were made to Routes lookup. Below are a few notable changes- Speed up GTG Simulator by reducing slices/matches This change improves routing performance by 10-20% in simple cases by removing duplication and preventing e...