Rails
Rails hardens CurrentAttributes isolation, ships composite key value object
A critical fix prevents request state leakage in CurrentAttributes, while new composite key infrastructure consolidates scattered logic across the ORM.
read --wire →
$ tail -f topics/ruby.log
Ruby news, every morning.
Daily updates from the Ruby ecosystem - Rails, gems, and the projects that power Shopify, GitHub, and Basecamp.
7 updates across 1 project this week.
Your week in Ruby, every Monday.
One calm review of what shipped across Ruby - the commits, releases, and security advisories that matter. Every Monday, with security advisories same-day. Free, unsubscribe in one click.
We'll start you on the top Ruby projects - refine anytime. · Read a sample issue →
Recent wires
Rails
RAILS FIXES SILENT CACHE MUTATION BUG BEFORE IT BITES PRODUCTION
A destructive bug in Cache::Store#delete_multi that silently mutates caller arrays and breaks subsequent calls just got merged into Rails.
read --wire →
Rails
RAILS NIGHTLIES FLUSH OUT FLAKY TESTS AND SILENT FAILURES
Three silent data bugs in core Rails methods just got exposed and fixed overnight: TimeZone parsing drops fractional seconds, number formatting crashes on negative values with nil precision, and DelegateClass silently swallows blocks.
read --wire →
Rails
RAILS FIXES ACTIONMAILER CALLBACK CONSISTENCY, SPRING CLIENT GETS SMARTER ABOUT SERVER STATE
ActionMailer callbacks now support only: and except: options, closing the gap with ActionController, while Spring's client learns to handle stale sockets and preloading delays.
read --wire →
Rails
RAILS PATCHES NUMBER FORMATTING AND COMPARISON BUGS OVERNIGHT
Three critical fixes landed in Rails core to stop InheritableOptions from crashing on equality checks and number_to_delimited from corrupting signed integers.
read --wire →
Rails
ACTION MAILER TEST ASSERTIONS FIXED FOR NESTED ATTACHMENTS
The assert_part and assert_no_part helpers can now see body parts buried inside multipart/alternative containers when attachments are present.
read --wire →
Rails
JSBUNDLING-RAILS FIXES PACKAGE MANAGER DETECTION, RAILS 8.1 LANDS IN CI
The install task for jsbundling-rails was hardcoded to Yarn even when you chose Bun, esbuild, or Webpack - that's fixed now.
read --wire →
Rails
RAILS KILLS DEADLOCK BUG IN BARE CONNECTIONS, PUSHES RACTOR SAFETY
A fresh connection trying to check its database version was deadlocking against itself, and Shopify just shipped the fix.
read --wire →
Rails
RAILS ADDS DEFAULT ORDER FOR RELATIONS, PREPS RACTOR SUPPORT
Rails is shipping two major feature expansions while simultaneously rearchitecting Action Cable to become a pluggable abstraction layer.
read --wire →
Rails
RAILS TEST SUITE GETS CLEANER, POSTGRES TIMEZONE FIX LANDS
Rails core just shipped a wave of test infrastructure improvements and a critical Postgres timezone handling fix that eliminates edge cases in parameter status checks.
read --wire →
Rails
ACTIVE STORAGE CRASH FIXED, JBUILDER PATCHED
Rails plugged a critical crash in direct uploads when touch_attachment_records is disabled, while jbuilder shipped a one-line fix for a regression that broke partials with extra locals.
read --wire →
Rails
RAILS TEST DATABASE CLEANUP FIX LANDS, TAILWIND CSS 4.3.0 ROLLS OUT
Rails merges a critical fix for parallel test database leaks that were orphaning per-worker databases across PostgreSQL and MySQL test runs.
read --wire →
Rails
Rails Fixes Composite Foreign Key Touch Bug, Solid Cable Drops Ruby 3.1
Rails patched a silent failure in composite foreign key associations where touch: true would skip updating the old record when relationships changed.
read --wire →
Rails
RAILS FIXES TEMPLATING VALIDATION BUGS AND ASSOCIATION SCOPING ISSUES
Rails core shipped fixes for HTML-aware ERB compiler failures and has_many :through association scoping problems that were breaking strict template validation.
read --wire →
Rails
RAILS FIXES TEST PARALLELIZATION LEAK, BOOTSNAP PATCHES CONFIG HIJACK
Rails killed a hidden DRb thread that was preventing parallel test suites from exiting cleanly, while Bootsnap shipped an emergency fix for a config file that gets loaded by unrelated processes like Homebrew.
read --wire →
Rails
RAILS ADDS SAFER DATE FORMATTING AND PARAMETER TRANSFORMATIONS
Rails is shipping new APIs for custom date formats and deep parameter transformations, giving you guardrails where before there were none.
read --wire →
Rails
POSTGRESQL 18.4 FOREIGN KEY SUPPORT LANDS IN RAILS
Rails just shipped native support for PostgreSQL 18.4's NOT ENFORCED foreign keys, letting table owners toggle constraints without superuser privileges for the first time.
read --wire →
Rails
Rails Drops 6.1 Marshal Format, Modernizes Rack Guide
Rails is removing support for the 6.1 Active Record Marshal format to unlock faster evolution of internal object representation without compatibility constraints.
read --wire →
Rails
RAILS TIGHTENS ASYNC JOB API TO BLOCK BREAKAGE
DestroyAssociationAsyncJob now accepts **options to future-proof extensions without forcing users into upgrade hell.
read --wire →
Rails
JBUILDER CUTS MEMORY WITH OPTIMIZATION SUITE
Jbuilder 2.15.0 shipped performance wins across the entire rendering pipeline while Rails core quietly reverted two incomplete features headed for 8.2.
read --wire →